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Nov 28, 2023 · A viral infection rash can be caused by a virus such chickenpox, rubella, or measles. A viral rash often occurs with other symptoms associated with the underlying viral infection. This can make it hard to know the source of the rash and the need for treatment.
- Overview
- What is a viral rash?
- Types of viral rashes
- Treatment options
- When to contact a doctor
- Takeaway
Many viral rashes clear up on their own as the infection clears, but some may require antiviral medication.
Viral infections are illnesses caused by a virus rather than bacteria or fungi. Many viral infections, especially those that tend to affect toddlers and children, can cause skin rashes.
While they can look alarming, these rashes usually aren’t a cause for concern, and they disappear once the infection clears up. Viral rashes are caused by either an immune response to the virus or damage to skin cells from the virus.
The characteristics of viral rashes can vary greatly. However, most look like splotchy red spots on lighter skin or purplish spots on darker skin.
These spots might come on suddenly or appear gradually over several days. They can also appear in a small section or cover multiple areas. For example, a measles-related rash starts on your cheeks before eventually spreading to your torso and limbs.
Viral rashes might also feel itchy or painful to the touch. The best way to identify a viral rash is to check for any symptoms of a viral infection, such as:
•fever
•chills
•body aches
Viral infections often have to run their course. Unlike bacterial infections, they don’t respond to antibiotics, so treatment usually focuses on relieving symptoms.
You can try to speed up the healing process by drinking lots of fluids and allowing your body plenty of rest.
If you have a fever or body aches, you can take medications such as acetaminophen (Tylenol) or nonsteroidal anti-inflammatories (NSAIDs) such as ibuprofen (Advil). Parents should not give aspirin to children under age 3 without consulting a doctor.
If you have an itchy viral rash, you can try applying a cool compress or calamine lotion to the affected area. Try to avoid scratching it if you can.
While it’s always a good idea to talk with a doctor when you notice a new rash, you should definitely make an appointment if you have a rash that:
•lasts longer than a week, especially if it doesn’t seem to be improving
•starts to blister
•spreads rapidly or is all over your body
•shows signs of redness, swelling, and oozing
•is painful
Many viral infections can cause a skin rash. Most viral infections clear up on their own, but some may require antiviral medication. Contact your doctor if the rash doesn’t seem to be getting any better after a week.
You should also reach out to a healthcare professional if you have a rash and live in or have recently visited a tropical or subtropical climate. Viruses spread by insects tend to be more common in these areas and may require antiviral medication.
- Chickenpox. Everyone knows about this viral rash. Or they used to. A new vaccine means few kids get chickenpox anymore. You might have a fever or sore throat before the telltale itchy spots break out all over your body.
- Shingles. Once you’ve had chickenpox, the virus lives on inside your body. Later it may come back as shingles, a painful, blistering rash. It’s more likely as you get older.
- Molluscum Contagiosum. Look for about 15 pinkish-red bumps with a dimple in the middle and white gunk inside. Scratch them and you may spread the virus to other places on your body.
- Fifth Disease. Also called erythema infectiosum, it’s more common in kids. You get a splotchy red rash on the face that looks like a slapped cheek. You also might have a fever and body aches.
- Chickenpox. Chickenpox occurs as a result of the varicella-zoster virus and causes an itchy rash that can look like red spots that turn into fluid-filled blisters.
- Measles. Measles—a highly contagious disease that occurs when you contract the measles virus—appears as a red, blotchy rash that starts on the face and spreads downward.
- Rubella. Rubella, also known as German measles, looks like a pinkish-red rash that begins on the face or behind the ears and spreads to your body. This infection can also cause mild fever, a runny nose, headache, and swollen lymph nodes.
- Fifth Disease. Fifth disease, also known as erythema infectiosum, is a viral infection caused by parvovirus B19 that primarily affects children. How intense this infection is can fluctuate.
Jul 17, 2024 · Viral infections that can cause rashes include mononucleosis, chickenpox, shingles, rubella, and more. Viral rashes can cause stinging, itching, and pain. Home remedies and medical...
What causes viral exanthem rash? A virus can cause a viral exanthem rash in one of three ways: The rash is your body’s immune response to the virus. Damage to your skin by the organism. Reaction to a toxin the virus produces. Viruses that commonly cause exanthem rash include: Chickenpox (varicella-zoster virus). COVID-19 (coronavirus).
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Nov 23, 2022 · What causes viral infections? Many different types of viruses can cause infections, though only a few infect humans. They can get into your body through your nose, mouth, eyes, anus or genitals, or through a break in your skin.
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