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Doctor insights on: Common Itchy Rashes

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Is it common to get itchy rash for days after allergy shot?

Is it common to get itchy rash for days after allergy shot?

Not common: Please get back to the doctor giving you the allergy shots ...Read more

Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

Most bumps and blotches on a newborn baby are harmless and clear up by themselves. By far the most common skin problem in infants is diaper rash. Diaper rash is an irritation of the skin caused by dampness, urine, or feces. Most babies who wear diapers will have some type of diaper rash. However, there are other skin disorders that can cause rashes. These are usually not serious unless ...Read more


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What are common causes and treatments for my itchy rash?

What are common causes and treatments for my itchy rash?

Depends: Allergies. Chemical contact. Dry skin. Sensitive skin. Dry air. Allergy to a medication. Allergy to makeup. All possible causes. Treatment would depend on the cause. ...Read more

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I've had an itchy rash under my breasts for a few weeks now. I think it is from my sports bra since I run 5x a week. Is this common? Any remedies?

I've had an itchy rash under my breasts for a few weeks now. I think it is from my sports bra since I run 5x a week. Is this common? Any remedies?

Yes: It may be from the rubbing (irritant) or a contact allergy to the rubberized part of the bra. If you sweat a lot, a monilial infection can cause a rash as well-in which case, try antiperspirant under the breasts on a regular basis. ...Read more

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What can cause non-itchy rashes to develop all over the body?

What can cause non-itchy rashes to develop all over the body?

Narrow it down: I want to help but this description could include several chapters in a dermatology text book. A photo or visit to the doctor can help narrow it down. Answers to questions like timing, duration , shape of the lesions, flat or raised , scaly or greasy, tenderness, medications are some of the clues that can provide clues. ...Read more

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I have multiple small, non-itchy, rashes that look like hickies, what are they?

I have multiple small, non-itchy, rashes that look like hickies, what are they?

Need exam: Best to have these examined by a doctor. See your primary care provider. Timing related to duration and severity of rash. Ask if a dermatology referral is appropriate. Hope this helps! ...Read more

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How did I suddenly get an itchy rash? Are all sudden itchy rashes allergic in nature?

How did I suddenly get an itchy rash?  Are all sudden itchy rashes allergic in nature?

Rashes: Most allergic rashes are itchy however, not all itchy rashes are allergic. A good example is scabies that is cause by an arthroppod (insect) that tunnels beneath the skin. Ask your primary care provider to evaluate the rash first, seek a dermatologists opinion if the pcp can not determine the cause. ...Read more

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What are these very small, short lived rashes? I am a male, 23 years old, and I have been getting these random red marks that look like itchy rashes.

What are these very small, short lived rashes? I am a male, 23 years old, and I have been getting these random red marks that look like itchy rashes.

Hives: These can be hives and they come and go as they please. They usually resolve on their own, and you can take an over the counter antihistamine to help you with the itch, such as Allegra (fexofenadine) or zyrtec. If they persist, see your doctor. ...Read more

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What could be the white non-itchy rashes on the scrotum?

What could be the white non-itchy rashes on the scrotum?

Not sure: This is the type of question which cannot be answered easily without seeing the rash. Suggest you show this to a doctor. ...Read more

Dr. John Chiu
2,561 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Doanh Nguyen
607 doctors shared insights

Itchy Rash (Definition)

Most itchy rashes are called eczema or dermatitis. Both are due to ...Read more