Quick Answer: What Rash Can Last For Months?

Can a rash last for years?

Some rashes develop right away.

Others form over several days.

Although most rashes clear up fairly quickly, others are long-lasting and need long-term treatment.

Because rashes can be caused by many different things, it’s important to figure out what kind you have before you treat it..

What rash lasts for weeks?

Rashes which last for more than 2 weeks include eczema, psoriasis, discoid eczema, contact dermatitis, phytophoto dermatitis, acne and rosascea.

How can you tell if a rash is serious?

Red, itchy rash? If it comes with other symptoms, it could indicate something serious….How can you tell if a rash is serious?If you have a fever or pain accompanying the rash. You should get it checked out, Kroshinsky said. … If you have a sudden spreading of bruise-like lesions. … If your rash continues unabated.

How long should a rash last?

How long a rash lasts depends on its cause. However, most rashes usually disappear within a few days. For example, the rash of a roseola viral infection usually lasts 1 to 2 days, whereas the rash of measles disappears within 6 to 7 days.

What is causing my rash?

Common causes. There are a number of potential causes of rashes, including allergies, diseases, reactions, and medications. They can also be caused by bacterial, fungal, viral, or parasitic infections.

What kind of rash spreads when you scratch it?

Molluscum Contagiosum Scratch or rub them, and you could spread the virus to other places on your skin or to someone else. It also transfers onto things like towels and sports equipment. The bumps will typically go away within a year, but it may take as long as 4 years.

Do some rashes never go away?

A rash is a change in the skin that can result in bumpy, blotchy, or scaly patches. Many people have had an itchy rash at some point in their lives. Many are harmless and will go away on their own, but others may be more persistent due to underlying causes or conditions.

What rash lasts for months?

Pityriasis rosea usually goes away without treatment in four to 10 weeks, but it can last months. Medicated lotions may lessen itchiness and speed the disappearance of the rash. Often, though, no treatment is required.

What does sepsis rash look like?

People with sepsis often develop a hemorrhagic rash—a cluster of tiny blood spots that look like pinpricks in the skin. If untreated, these gradually get bigger and begin to look like fresh bruises. These bruises then join together to form larger areas of purple skin damage and discoloration.

What viruses cause rashes in adults?

Other viral infections that can cause rashes include:rubella.chickenpox.mononucleosis.roseola.hand, foot, and mouth disease.fifth disease.Zika virus.West Nile virus.More items…•

What cancers cause rashes?

Mycosis fungoides is a type of lymphoma—the most common form of blood cancer. When someone has mycosis fungoides, malignant cells in the blood travel to the skin. The most common mycosis fungoides symptoms causes lesions that appear as a scaly, itchy rash.

What does leukemia rash look like?

During the progression of leukemia, white blood cells (neoplastic leukocytes) found in bone marrow may begin to filter into the layers of the skin, resulting in lesions. “It looks like red-brown to purple firm bumps or nodules and represents the leukemia cells depositing in the skin,” Forrestel says.

What is a rash that won’t go away?

Hives, those annoying itchy red bumps, often occur with an allergic reaction or sometimes a viral infection. Or sometimes, they can be more serious when they happen with a severe allergic reaction called anaphylaxis.

What happens if hives Don’t go away?

If you develop hives and they last longer than six weeks, you may have a condition known as chronic hives. Also called chronic idiopathic urticaria (CIU), this condition causes unpleasant symptoms that may interfere with your daily activities.

When should you worry about a rash?

If a fever accompanies your rash, or it’s painful(either to the touch or with movement, seek medical help. If your rash is sudden and spreads, it can be a cause for concern. Sudden, spreading rashes can indicate an allergic reaction which, if accompanied by difficulty breathing, are extremely dangerous.

How long does it take for allergic reaction rash to go away?

If you can avoid the offending substance, the rash usually clears up in two to four weeks. You can try soothing your skin with cool, wet compresses, anti-itch creams and other self-care steps.

Why do I have a rash on my arm that won’t go away?

Atopic dermatitis is the most common type of eczema, a skin condition that makes you itch and leaves red blotches, usually on your face, arms, and legs. While it happens most often in children, it also affects an estimated 18 million adults. The rashes tend to flare and go away, but then come back again.

How long can viral rashes last?

Unlike an allergic reaction, viral rashes usually do not cause itching or pain. Viral rashes usually go away after a few days, but may last up to 2 weeks. Antibiotics are not used to treat viral rashes.