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Doctor insights on: Itchy Rashes That Come And Go

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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

Dr. John Chiu
2,673 Doctors shared insights

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


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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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I keep getting rashes everytime I go to the country (my whole family does)! This itchy rash also prevents me from sleep at night! What to do?

I keep getting rashes everytime I go to the country (my whole family does)! This itchy rash also prevents me from sleep at night! What to do?

See dermatologist: If this happens when you are in the countryside, you are likely allergic to something outdoors or even to the sun.
I would suggest that you consult a dermatologist to find out the cause. Certainly poison oak/poison ivy is a factor to be considered especially since its resin on contaminated articles may remain potent for months. ...Read more

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Why do some people get miliaria itchy rashes when exercising?

Why do some people get miliaria itchy rashes when exercising?

Urticaria, exercise: The condition is called exercise induced urticaria, somewhat related to heat rash. The explanation is not clear. It is usually a benign condition manged with antihistaminics taken before exercising. ...Read more

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What to do if I have slightly itchy rashes on my palms and thick spots on my soles. What's wrong?

What to do if I have slightly itchy rashes on my palms and thick spots on my soles. What's wrong?

Rashes: These can be from dryness, and using a moisturizer, such a vaseline, can help. If the rash is in plaques, silver in color, could be psoriasis, a dermatologist can help. ...Read more

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Hi I have got red itchy rashes on my skin which turns dry when I scratch. Wat can be the cause? I recently moved to Australia can that affect?

Hi I have got red itchy rashes on my skin which turns dry when I scratch. Wat can be the cause? I recently moved to Australia can that affect?

Maybe: Moving to a new location, at times may affect your skin, several reasons can play a role, the weather, the relative humidity, possibly allergens in the area, or just may be the anxiety of adjusting to a new place, it can also be unrelated to moving. Skin care can help till you get to see your doctor or a dermatologist, warm bath, moisturizers, avoid dehydration, OTC antihistamine & anti itch cream ...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

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Can Valtrex (valacyclovir) cause itchy rashes that look like bug bites?

Can Valtrex (valacyclovir) cause itchy rashes that look like bug bites?

Yes: Itching and hives are listed as possible side effects of vatrex. Notify your doctor. In the meantime (since it is Sunday) you can use over the counter products like calamine lotion, benadryl (diphenhydramine) etc. ...Read more

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I have itching near my inner thighs and rashes. Brown itchy rash appears?

I have itching near my inner thighs and rashes. Brown itchy rash appears?

A common rash in: The skin folds of the inner thigh is jock itch.This can be treated with over the counter anti-fungal medicine. ...Read more

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2y/o having itchy rashes all over the body. Rashes disappeared yestrday and came back this morning. Could this be due to food allergy?

Yes.: Food sensitivities are closely related to skin rashes in children and aduls. An itchy rash suggests allergic rash or dermatitis, or eczema tours rash. A hydration with lotions and steroid creams will alleviate the symptoms. But if the symptoms are ongoing I suggest having your child tested for food sensitivities and trying some diet elimination trials. ...Read more

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We have moved to houston, katy a week ago. My son and I were having unbearable itchy rashes? What is the reason? Looks like hives, sores, . ...

Contact vs bug: Both of you are itching badly, it is from a bug or a contact dermatitis. The pattern of the rash should tell you. Claritin in am. Benadryl (diphenhydramine) in the pm. Hydrocortisone cream 1% twice daily. ...Read more

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Woke up with red itchy rashes on my sides and the red rashes are spreading. I'm putting cream on it takes away itching but is still red and spreading.

Woke up with red itchy rashes on my sides and the red rashes are spreading. I'm putting cream on it takes away itching but is still red and spreading.

Red rash: There are several causes that could be responsible for your rash. You could a generalized allergic reaction, or you could have a drug reaction. Your rash could also be caused by scarlet fever. See your doctor for an exam and possible blood work and throat culture ...Read more

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What is causing itchy rashes on my ankles and top of feet.

What is causing itchy rashes on my ankles and top of feet.

Could be: Allergic reaction to something like a different detergent or soap you use, it's called contact dermatitis but could be many other things as well. I suggest consult with dermatologist. ...Read more

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Itchy rashes on the genitals keep returning. Gu or derm doc?

Itchy rashes on the genitals keep returning. Gu or derm doc?

See primary MD: Why not talk to your primary care physician. Most times they can tell what it is or they can obtain a culture to get a diagnosis when the rash is present. If they cannot treat the problem they can refer you to the appropriate sub-specialist. ...Read more

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I was told I was allergic to dairy years ago and when I ate cheese and icecream I would break out in itchy rashes which would go away after a couple days. I recently was diagnosed with crohns and have not gad any dairy in the last 3 months but seem to s

I was told I was allergic to dairy years ago and when I ate cheese and icecream I would break out in itchy rashes which would go away after a couple days. I recently was diagnosed with crohns and have not gad any dairy in the last 3 months but seem to s

Cut off: Theresa you were cut off so I don't know your Q. Cow's milk allergy triggers (among other sx) an immediate, itchy welts (hives) that last minutes to hours, but not days. It seems you had reintroduced cow's milk. Not aware of relation to Crohn's/IBD. Other food allergies can be related, tho (food induced protocolitis-but this is blood in stool of babies). Resubmit w more detail. ...Read more

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Can chronic fatigue cause abnormal gait (weak legs), low grade fevers, itchy rashes on upper chest and back, and patches of goose bumps come and go?

Can chronic fatigue cause abnormal gait (weak legs), low grade fevers, itchy rashes on upper chest and back, and patches of goose bumps come and go?

Chronic fatigue: Chronic fatigue can arise from many sources - not the least of which is not sleeping soundly. Have your doctor refer you for a sleep study. If that turns out OK a consult with a neurologist will evaluate your abnormal (weak) gait would be my next choice for you. ...Read more

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I have got very itchy rashes on my legs after shaving. They has not disappeared yet even today is the third day. Should I go to meet a doctor?

I have got very itchy rashes on my legs after shaving. They has not disappeared yet even today is the third day. Should I go to meet a doctor?

See below: These symptoms can only be adequately diagnosed only after a thorough evaluation by your doctor. This may include labs and other satudies. Once all of the information is in, your doctor can let you know what's going on, and what to do to help you. ...Read more

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I wake with itchy rashes on my throat/neck the last month that usually go away. Now I wake with itchy puffy eyes that stay irritated all day. Any advi?

I wake with itchy rashes on my throat/neck the last month that usually go away. Now I wake with itchy puffy eyes that stay irritated all day. Any advi?

Dust allergies: Fairly common symptoms for dust allergies. Builds up as you sleep. They are worse in the morning. Pollen allergies are worse as the day goes on. Allergies cause itching ; tearing. Over-the-counter allergy medicine ; eyedrops help relieve it. Zaditor (ketotifen) is a good eye drop for allergies. You can also take over the counter medicine like loratidine in the morning or zyrtec before bed. ...Read more

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I have intense itchy rashes on my thighs, arms, chest, stomach and hands this has been going on for a month or so?

I have intense itchy rashes on my thighs, arms, chest, stomach and hands this has been going on for a month or so?

See a dermatologist: It is difficult to make a proper diagnosis since I am not there to see the condition. I recommend seeing a dermatologist so that they can make a proper diagnosis and give you something to get rid of the condition or relieve symptoms. ...Read more

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Hello doc. I have develop few purplish to dark red itchy rashes on my scrotum. These becomes severe itchy when I work out or on sweating. I get good results on washing with Hydrogen Peroxide. But they donot go away completely. I am 32.

Hello doc. I have develop few purplish to dark red itchy rashes on my scrotum. These becomes severe itchy when I work out or on sweating. I get good results on washing with Hydrogen Peroxide. But they donot go away completely. I am 32.

May be fungal/yeast: Infection on the skin of the scrotum. The groin area is a common place that fungal infections occur. The fungus tends to grow well on areas that are warm and moist, and often itch worse when the area become more warm and moist (eg. When working out and/or sweating). Try using an OTC treatment for jock itch, if not helpful, may need prescription. Consider in-box consult on HealthTap for Rx. ...Read more

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What causes itchy rashes with puss around the base of the penis?

Please have this: Medically evaluated. It sounds like you have an infection. ...Read more

Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more


Dr. Doanh Nguyen, md, faaaai
649 Doctors shared insights

Itchy Rash (Definition)

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