House Call Doctor LA • At Your Home, Office, or Hotel 24/7
24 Hour Doctor in Brentwood, At Your Home, Office, or Hotel
In Brentwood, you don’t have to sit in a crowded urgent care or drive across town late at night. House Call Doctor LA sends an experienced physician directly to your home, office, or hotel—any time of day or night.
Our 24/7 mobile medical clinic provides in‑person house calls and convenient telemedicine for sudden illness, minor injuries, child or adult fever, migraines, stomach bugs, respiratory symptoms, and more—so you can be seen where you’re most comfortable.
Staffed by licensed physicians focused on in‑home urgent care and concierge primary care for Brentwood residents, visitors, and busy professionals.
- Sudden flu‑like symptoms or fever
- Minor cuts, sprains, and strains
- Traveler or hotel guest not feeling well
- Busy professionals needing discreet office visits
24 Hour Doctor Care in Brentwood, Delivered to You
When you need a 24 Hour Doctor in Brentwood, House Call Doctor LA brings urgent medical care straight to your home, office, or hotel—day or night. Instead of searching for an urgent care open 24 hours near me in Brentwood and driving across town, a licensed physician comes directly to you or connects with you by secure video.
Our 24/7 service offers in‑home visits and telemedicine consultations for non‑life‑threatening issues that still can’t wait for regular office hours. We complement, but do not replace, hospital emergency rooms. If you experience severe chest pain, trouble breathing, major trauma, or any life‑threatening emergency, you should call 911 or go to the nearest ER immediately.
House Call Doctor LA is designed for real‑life situations in Brentwood: a child with a high fever in the middle of the night, an older adult who finds it difficult to travel, a busy professional who needs care at the office, or a traveler who feels ill at a hotel. You receive attentive, one‑on‑one medical care where you are most comfortable.
Our physicians can evaluate common urgent concerns, provide prescriptions when appropriate, coordinate follow‑up, and, when a physical visit is not necessary, offer virtual care through our convenient telemedicine services. For a deeper overview of how these services work, you can explore our guide on what to expect from 24 hour doctor care.
If you are deciding between a house call, urgent care clinic, or hospital, you may also find it helpful to read about different 24‑hour medical care options. As you continue reading, you’ll see which conditions we treat, how visits work, and what factors influence pricing so you can make an informed choice for your health.
Already know you need prompt, non‑emergency care in Brentwood? You can contact our team now to request a 24/7 visit.
What Is a 24 Hour Doctor House Call Service?
A 24 hour doctor house call service sends licensed physicians to your location in Brentwood—home, office, or hotel—at any hour for non‑life‑threatening urgent medical issues. When an in‑person exam is not required, the same doctors can provide care through secure telemedicine visits, offering around‑the‑clock access without the wait and environment of a hospital emergency department.
When You Need a Doctor Now, Not Tomorrow
It always seems to happen at the worst time: it’s late at night and a fever won’t break, a parent suddenly feels weak and dizzy, or you’re visiting Brentwood for work and wake up sick in your hotel room. You know you should see a doctor, but the idea of leaving home feels overwhelming.
Many people start searching for urgent care open 24 hours near me in Brentwood and discover overflowing waiting rooms, limited after-hours availability, or clinics that don’t actually stay open all night. Meanwhile, symptoms may slowly worsen while you debate whether it’s worth the drive.
Common frustrations include:
- Driving yourself while feeling dizzy, nauseated, or in pain.
- Waking a sleeping child or older adult just to sit in a waiting room.
- Spending hours in close contact with sick patients for a non-emergency issue.
- Trying to arrange transportation, childcare, or time away from work late at night.
Delaying care for problems like worsening infections, dehydration, persistent vomiting, or breathing discomfort can lead to more complicated recovery and unnecessary suffering. Yet many conditions are urgent, not life-threatening, and don’t truly require an emergency room.
A late-night doctor or after-hours doctor who comes directly to your home, hotel, or office removes these barriers. With in-home urgent care, you can stay where you are, avoid crowded spaces, and get expert medical attention when you need it most.
Contact House Call Doctor LA for 24/7 in-home care
Signs You Shouldn’t Wait for Care
House-call and in-home urgent care are often appropriate for non-life-threatening issues such as:
- High fever that is not improving with over-the-counter medications.
- Persistent vomiting, diarrhea, or signs of dehydration.
- Worsening cough, flu-like illness, or mild breathing discomfort.
- Painful skin or soft tissue infections, minor cuts, or localized swelling.
- Suspected minor fractures, sprains, or joint injuries.
- Sudden severe headache without recent head trauma.
- Urinary pain, burning, or frequency that suggests a possible infection.
- New or concerning symptoms in older adults or people with chronic conditions.
If you or a loved one has severe chest pain, major injury, difficulty breathing at rest, confusion, loss of consciousness, or signs of stroke (sudden weakness, facial droop, trouble speaking), call emergency services or go to the nearest ER immediately. These symptoms require hospital-level care.
Why Choose a 24 Hour Doctor House Call in Brentwood
When you or a loved one feels sick, the last thing you want is a stressful drive, crowded waiting room, and long lines. House Call Doctor LA brings in-home urgent care directly to your Brentwood home, office, or hotel so you can focus on feeling better in a calm, familiar space.
Comfort and Privacy at Home, Office, or Hotel
With a doctor at your door, you can stay in bed, rest on the sofa, or remain in a private office or hotel room while we come to you. This reduces stress and exposure to other illnesses, and it protects the dignity of seniors, anxious patients, and anyone who prefers a quiet, private setting over a busy clinic.
- Time-saving convenience: Skip traffic, parking, and waiting rooms—care starts the moment we arrive at your door.
- Family-friendly visits: Ideal for households with children, caregivers, or mobility-limited adults who benefit from staying together at home.
- Personalized, unhurried care: Our physicians have time to review your medications, medical history, and even home safety issues that can affect your health.
- Modern mobile medicine: We bring diagnostic tools and technology commonly used in clinics, offering a high level of care without leaving your door.
True 24/7 Access to Medical Care
As a dedicated in-home and mobile medical clinic, House Call Doctor LA focuses on urgent, same-day, and after-hours visits in Brentwood. Whether symptoms start late at night, over the weekend, or during a busy workday, you can reach our team for an in-person house call or telemedicine support.
Travelers staying in Brentwood hotels can also receive bedside care through our hotel doctor services, avoiding the disruption of seeking out an unfamiliar clinic.
To explore how modern house call services work, you can read about mobile doctor services and what to expect from mobile medical visits.
What Our 24 Hour Doctor Service Includes in Brentwood
House Call Doctor LA brings much of what you expect from an urgent care visit directly to your home, office, or hotel in Brentwood. Our doctors on call provide bedside care, mobile medical services, and telemedicine support so you can receive timely, attentive treatment without leaving where you are.
While we are not a replacement for the hospital emergency room, we can safely evaluate many common illnesses and minor injuries, start appropriate treatment, and help you decide on the safest next step if your condition is more serious.
Types of 24/7 Visits Available
Our 24 hour doctor team supports patients in Brentwood through several flexible visit types, scheduled around your needs and our clinicians’ availability. Urgent concerns are prioritized whenever possible.
- In-home and office house calls: Same-day and after-hours visits at your residence or workplace for acute illnesses, minor injuries, flare-ups of chronic conditions, and general medical concerns.
- Hotel doctor visits: Discreet bedside care for travelers and guests staying in Brentwood hotels. We coordinate directly with you and, when appropriate, hotel staff to provide comfortable in-room care. Learn more about what to expect from our hotel doctor services and our guide to hotel doctor services.
- Telemedicine and video visits: Virtual consultations for new issues, triage, follow-up questions, and medication discussions. These visits can help determine whether it is safest to continue care at home, arrange a house call, or go to an urgent care or ER. For a deeper overview, see our resources on doctor on demand care and video doctor consultations, as well as our dedicated telemedicine service.
Our 24 hour doctor coverage in Brentwood is designed to be flexible. Visit availability may vary based on clinician capacity, travel time, and the urgency of each case.
On-Site Exams, Testing, and Treatments
During a home, office, or hotel visit, our physicians provide a thorough evaluation similar to what you might receive in an urgent care setting, adapted for your environment. Our team is fully licensed in California and experienced in urgent and primary care for adults, families, and seniors.
Your visit may include:
- Review of your symptoms, medical history, and medications.
- Physical exam, including heart, lungs, abdomen, and basic neurological checks.
- Vital signs, which may include blood pressure, pulse, temperature, and oxygen level.
- Focused evaluation of common problems such as respiratory infections, urinary issues, minor injuries, and skin complaints.
- Wound evaluation and conservative care for many minor cuts, scrapes, and simple lacerations, when appropriate.
- On-site administration of certain medications or basic breathing treatments when indicated and available.
- Arranging lab work or imaging through partner facilities or mobile services when feasible for your situation.
Our mobile diagnostic tools and exam supplies allow us to perform much of this work right at your bedside. For a broader overview of what mobile medical services can involve, you can review our guide on understanding mobile medical services.
After your visit, we can often send prescriptions to your preferred pharmacy, provide written instructions, and recommend appropriate follow-up—whether that is with your regular primary care doctor, another visit with us, or a higher level of care if needed.
What We Cannot Safely Treat at Home
Safety always comes first. Some conditions are too serious to be treated through a house call or telemedicine visit and require immediate emergency care. Our service is not a substitute for 911 or the emergency room.
Go to the ER or call 911 for:
- Major trauma, serious falls, or suspected broken bones with obvious deformity.
- Severe chest pain, pressure, or pain radiating to the jaw, neck, or arm.
- Signs of stroke, such as sudden weakness, facial drooping, trouble speaking, or confusion.
- Heavy, uncontrolled bleeding or deep wounds that will not stop bleeding.
- Severe trouble breathing, blue lips, or sudden worsening shortness of breath.
- Loss of consciousness, seizures in someone without a known seizure disorder, or sudden, profound confusion.
In certain borderline situations, a telemedicine visit may help determine whether a house call, urgent care center, or emergency room is the safest option. Our clinicians will always err on the side of recommending higher-level care if there is concern for a potentially life-threatening condition.
How Our 24 Hour Doctor House Call Process Works
When you are not feeling well in Brentwood, getting care from a 24 Hour Doctor through House Call Doctor LA is designed to be simple, calm, and fast. You can request an in-person house call or a virtual visit, and our team walks you through every step so you know exactly what to expect.
To get started right away, you can request a visit through our contact form or call us directly. Here is how the process typically works from first contact to follow-up.
Step 1: Reach Out Anytime, Day or Night
Patients in Brentwood can reach House Call Doctor LA 24/7. When you contact us, share your location, main symptoms, when they started, current medications, allergies, and how urgent the situation feels. These details help us understand what is happening and prepare appropriately before your doctor connects with you.
Step 2: Quick Triage and Visit Type Recommendation
A clinician or trained team member reviews your symptoms and health history and asks a few focused questions. Based on this triage, we recommend either an in-home house call or a telemedicine visit using secure video. If anything suggests you may need emergency care instead, we will advise you to call 911 or go to the nearest emergency department.
For many concerns that are appropriate for home treatment, you may choose a virtual visit or an in-person visit. To learn more about virtual care, you can also read our guide on telehealth appointments as a convenient solution, and explore our dedicated telemedicine service.
Step 3: Your Visit, Exam, and Care Plan
For house calls, we confirm an arrival window and your exact address in Brentwood, whether it is your home, hotel, or office. During the visit, the doctor reviews your history and medications, performs a focused exam, and discusses your symptoms and questions. When appropriate, the physician can provide treatments on the spot, arrange prescriptions, and outline a clear care plan you can follow.
Hotel guests can follow similar steps to arrange in-room care. For a detailed walkthrough, you may find our article on how to arrange a doctor visit in your hotel room helpful.
Step 4: Follow-Up and Next Steps
After your visit, you may receive follow-up instructions, including how to take medications, when to rest, and which warning signs should prompt another call. We may also recommend further testing, follow-up with your primary care physician, or telemedicine check-ins. If your symptoms change or worsen, we will help you decide whether another visit or emergency care is the safest next step.
If you ever think you might be experiencing a life-threatening emergency—such as chest pain, severe trouble breathing, or major trauma—do not wait for a house call. Call 911 or go to the nearest emergency room immediately.
Know Your Best Option
24 Hour Doctor House Calls vs. Urgent Care and ER Visits
When you do not feel well in Brentwood, you might compare a 24 hour doctor house call, an urgent care clinic, or the ER. Each plays an important role. Understanding house call vs urgent care and urgent care vs ER can help you choose safe, timely care.
| House Call Doctor LA | Urgent Care Clinic | Hospital ER | |
|---|---|---|---|
| Travel & setting | Doctor comes to your home, office, or hotel; no driving or waiting room. | You travel to clinic; shared lobby and exam rooms. | You travel to hospital; busy, high-acuity environment. |
| Wait times | Scheduled visit windows; no crowded waiting area. | Can vary; may wait behind other walk-ins. | Triage-based; serious cases go first, others may wait. |
| Conditions typically treated | Non-life-threatening issues: flu symptoms, infections, minor injuries, migraines, medication refills, and many chronic condition flares. | Similar to house calls; many clinics function as a 24 hour urgent care in Brentwood or extended-hours clinic. | Life-threatening or very severe issues: possible heart attack, stroke, major trauma, severe breathing difficulty, or heavy bleeding. |
| Privacy & comfort | High privacy in your own space; ideal for families and travelers. | Semi-private exam rooms; shared waiting area. | Active setting focused on stabilizing emergencies. |
| Best use | Personalized, convenient care when you need an experienced 24 hour doctor without leaving where you are. | Walk-in evaluation when you can comfortably travel to a clinic. | Any time you suspect a medical emergency or feel unsafe waiting. |
When to Choose a House Call vs. the ER
As a rule of thumb, choose a 24 hour doctor house call or telemedicine visit for non-life-threatening issues, such as:
- Moderate illness: fever, flu-like symptoms, sore throat, or ear pain
- Minor injuries: sprains, simple cuts, minor burns, or back strain
- Worsening but stable chronic issues, like asthma, migraines, or joint pain
Go directly to the ER or call emergency services for chest pain, severe trouble breathing, signs of stroke, major trauma, sudden confusion, or heavy, uncontrolled bleeding. Safety always comes first; do not delay emergency care.
If you are unsure whether a house call is appropriate, House Call Doctor LA can often guide you through a telemedicine consultation and help you decide on the safest next step.
For a deeper look at your options, see our guide on 24-hour medical care options, including clinics, hospitals, and telemedicine.
To learn more about our on-call model, visit our 24 Hour Doctor service page, or contact us if you are unsure where to go.
24 Hour Doctor Costs in Brentwood: What to Expect
Many people search for how much a 24 Hour Doctor costs in Brentwood when they are not feeling well and want clear answers before booking care at home.
At House Call Doctor LA, pricing is based on the type of visit and the care you need, rather than a one-size-fits-all fee. While house calls often cost more than a basic clinic copay, they can save you time, travel, parking, waiting room exposure, and lost work hours.
We are transparent about 24 Hour Doctor costs and can typically share an estimated range before confirming your appointment, whether it is an in-person house call, hotel or office visit, or a telemedicine consult.
For a clearer idea of what your visit may cost, our team can explain how your symptoms, location, and preferred visit type influence pricing, and outline any potential additional charges for procedures or tests.
Because each situation is unique, we do not list exact prices online. Instead, we encourage a quick conversation so you know what to expect financially before the doctor is dispatched.
Key Factors That Affect 24 Hour Doctor Pricing
Several elements influence the final cost of a 24 hour doctor visit. Understanding these factors can help you plan ahead and avoid surprises:
- Time of day and day of week: Late nights, early mornings, weekends, and holidays may have higher fees than standard daytime visits.
- Visit type: house call vs. telemedicine: A full in-person examination at your home, office, or hotel usually costs more than a brief virtual consultation.
- Length of the visit: More complex concerns that require longer evaluation, counseling, or coordination can affect the overall cost.
- Complexity of your condition: Multiple complaints, chronic conditions, or urgent issues that require expanded assessment may increase pricing.
- Procedures, tests, or treatments: Services such as IV fluids, injections, point-of-care testing, or additional treatments are typically billed separately from the base visit.
- Location within the LA area: Travel distance and traffic patterns within and around Brentwood and greater Los Angeles can play a role in fees.
When you reach out, we review these factors with you and provide a transparent estimated range before confirming your appointment. For more context on what a typical visit includes, you can also read our guide, Understanding 24 Hour Doctor Services: What to Expect and How to Access Them.
How to Get a Clear Cost Estimate Before Your Visit
The easiest way to understand your 24 Hour Doctor cost is to speak with our team before you commit to a visit. A short conversation allows us to tailor an estimate to your situation.
- Reach out to our office: Call or use our online form to let us know you are considering a 24 hour house call or telemedicine visit.
- Share your location and timing: Provide your address in or around Brentwood and when you would like to be seen.
- Describe your symptoms briefly: A short summary helps us anticipate the level of care and whether any procedures or tests might be recommended.
- Specify visit type: Tell us if you prefer an in-home visit, hotel or office visit, or telemedicine consultation.
- Ask about expected fee ranges: We outline the base visit fee, possible add-on services, and how charges may change if your needs are different during the exam.
Final costs may vary depending on what the doctor determines is medically appropriate during the visit, but you will have a clear framework before confirming. Our team can also discuss available payment options and, when applicable, offer general guidance on how patients often use insurance or health spending accounts for their care.
Common Conditions Our 24 Hour Doctors Treat
House Call Doctor LA’s 24 hour doctors can often evaluate and treat a wide range of non-emergency health concerns in Brentwood, either through a home visit or telemedicine. The lists below highlight frequent reasons patients contact us—they are not exhaustive or a substitute for medical evaluation.
When you reach out, our team helps determine whether your situation is appropriate for a house call, a virtual visit, or if urgent in-person emergency care is safer.
Acute Illnesses and Infections
Many patients call a 24 hour doctor for sudden illness that feels too uncomfortable to wait for an office appointment but does not appear life-threatening. Our physicians may be able to assess and manage issues such as:
- Fever, chills, fatigue, and flu-like symptoms
- Sore throat, ear pain, and painful swallowing
- Sinus pressure, congestion, and facial pain
- Cough, bronchitis, and mild respiratory infections
- Concerns about COVID-like symptoms or testing needs (learn more in our guide to COVID testing options)
- Mild pneumonia that is stable and not causing serious breathing difficulty
- Urinary discomfort, frequent urination, and suspected urinary tract infections
- Skin infections, rashes, and minor abscesses
- Stomach bugs with nausea, vomiting, or diarrhea and concern for dehydration
Depending on your symptoms and vital signs, our clinicians may recommend treatment at home, telemedicine follow-up, or a higher level of care when needed.
Minor Injuries and Sudden Symptoms
Our 24 hour doctors can often help evaluate minor injuries or sudden changes in how you feel, particularly when you prefer not to sit in a waiting room. Common concerns include:
- Sprains, strains, and possible minor fractures without obvious deformity
- Minor cuts, scrapes, and small burns that may need cleaning or dressing
- Mild allergic reactions without severe breathing issues or facial swelling
- Headaches without head trauma or worrisome neurologic symptoms
- Back pain or joint pain that worsened suddenly
- Mild asthma or COPD flare-ups in patients who are not in severe distress
- Non-emergency fall evaluations, including discussion of home safety; you can also read our tips on preventing bathroom falls
Telemedicine can be especially helpful for medication questions, mild symptom check-ins, or deciding whether an in-person visit—or emergency department—would be more appropriate.
Important safety reminder
Call 911 or go to the nearest emergency room for chest pain, severe shortness of breath, signs of stroke, heavy bleeding, major trauma, or any sudden, severe, or rapidly worsening symptom. This list is only a general guide and not a diagnosis tool.
Related Services from House Call Doctor LA
In addition to providing a 24 Hour Doctor in Brentwood, House Call Doctor LA offers connected services that support travelers, busy professionals, and nearby residents who need flexible, around-the-clock care.
Hotel Doctor Visits for Travelers
If you are staying in a hotel in the Brentwood area and start feeling unwell, our hotel doctor services bring the same house call model directly to your room, 24/7. Travelers, families, and business guests can receive bedside evaluation and treatment without leaving the comfort and privacy of their hotel.
Telemedicine and Virtual Care
For many non-emergency issues, follow-up questions, or when you are unsure whether a house call is needed, our telemedicine and virtual care visits provide 24 hour telemedicine support by secure video or phone. We can often assess your concerns remotely and advise if in-person care is recommended.
If you split time between neighborhoods, you can also access our 24 hour doctor services in nearby areas such as Agoura Hills, Bel Air, and Beverly Hills.
FAQ
24 Hour Doctor in Brentwood: Frequently Asked Questions
Find quick answers about how House Call Doctor LA’s 24/7 house call and telemedicine services work in and around Brentwood, so you know what to expect before you schedule a visit.
What is a 24 hour doctor and how does it work in Brentwood?
A 24 Hour Doctor is a physician who can provide urgent, non-emergency medical care at any time of day or night. In Brentwood, House Call Doctor LA sends a doctor directly to your home, office, or hotel, or arranges a telemedicine visit. You contact our team, share your symptoms, and we coordinate the appropriate in-person or virtual evaluation.
How quickly can a 24 hour doctor from House Call Doctor LA come to my home or hotel?
Arrival times vary based on your exact location in Brentwood, the time of day, traffic, and how many urgent visits are already scheduled. Our team prioritizes urgent needs and will give you an estimated time window when you call. We also help you decide whether an in-person house call or a telemedicine visit is the best first step.
What types of conditions can a 24 hour doctor treat at home?
Our doctors can evaluate and treat many non-emergency issues at home, including:
- Colds, flu, COVID concerns, sore throat, ear and sinus infections
- Cough, mild asthma flares, and other respiratory symptoms
- Minor cuts, sprains, strains, and simple wound care
- Stomach pain, nausea, vomiting, diarrhea, or constipation
- Medication questions, refills when appropriate, and chronic symptom flare-ups
- Many travel-related illnesses and jet lag–related concerns
Life-threatening symptoms such as severe chest pain, trouble breathing, signs of stroke, or major trauma require immediate emergency room care or calling 911.
When should I go to the ER instead of requesting a 24 hour house call?
Go to the ER or call 911 for severe chest pain, difficulty breathing, heavy bleeding, serious head injuries, signs of stroke, major trauma, or if you feel your life may be in danger. Our 24 Hour Doctor service focuses on urgent but non-emergency issues. If you are unsure, you can contact us to help you decide the safest next step.
Does House Call Doctor LA offer 24/7 telemedicine visits as well as in-person visits?
Yes. In many situations, we can start with a telemedicine visit to quickly review your symptoms, medications, and medical history. If you need a physical exam, testing, or procedures, we can then arrange an in-person house call. You can learn more about our virtual care options by visiting our telemedicine services page.
How much does a 24 hour doctor visit typically cost in Brentwood?
The cost of a 24 Hour Doctor visit in Brentwood depends on the type of visit (in-person or telemedicine), the time of day, your location, and how complex your medical needs are. Our team can provide an estimated range and discuss payment options before you confirm. To ask about current pricing and availability, please contact House Call Doctor LA.
What areas in and around Brentwood do you serve?
House Call Doctor LA serves most neighborhoods in and around Brentwood and West Los Angeles, as well as nearby communities where our mobile medical team can reasonably travel. Service areas can vary by time and demand, especially overnight. When you call, our coordinators will confirm whether your exact address is within our current coverage.
How do I schedule a 24 hour doctor visit with House Call Doctor LA?
To schedule, simply reach out to our team any time, day or night. We will ask about your symptoms, location, and preferences, then recommend an in-person house call or telemedicine visit and provide an estimated arrival window.
You can also review what to expect from these services in our guide on understanding 24 Hour Doctor services or our article about after-hours doctor visits.
When you are ready to book or have questions, please contact us to arrange a visit.
Need a 24 Hour Doctor in Brentwood? We’re Ready to Help
House Call Doctor LA provides around-the-clock medical care in Brentwood, delivering urgent visits to your home, office, or hotel, and convenient telemedicine when you prefer to stay fully virtual.
When you’re not feeling well, you shouldn’t have to drive across town or sit in a waiting room. Our physicians come to you, helping you get high-quality care while you rest where you’re most comfortable.
Whether you need same-day support, after-hours care, or guidance on whether a house call or telemedicine visit is best, our team is here to help Brentwood residents and visitors 24/7.
- • Request an urgent house call to your home, office, or hotel in Brentwood.
- • Ask about telemedicine if you’re unsure whether you need an in-person visit.
- • Schedule upcoming primary care or follow-up visits when it’s convenient for you.
Ready to Schedule Your Visit?
Reach out to House Call Doctor LA now if you have an urgent concern or simply need help deciding the right level of care. We’ll guide you through your options and arrange a 24-hour doctor visit or telemedicine appointment in Brentwood. If you are experiencing a life-threatening emergency, call 911 or go to the nearest emergency room immediately.