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Doctor insights on: Rash Bites

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Why could my skin itch even though I don't see any rashes or bite marks?

Why could my skin itch even though I don't see any rashes or bite marks?

Itch: There are many causes of itch without a rash. Systemic causes include kidney failure, liver failure causing elevated levels of bile, blood disorders such as leukemia, lymphoma and iron deficiency. Thyroid disorders and diabetes also can cause itching. The most common cause however is dry skin and using a good moisturizing cream such as cetaphil or cerave and anti itch lotion like sarna can help. ...Read more

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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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I've been itchy nearly constantly for several months with no visible rashes or bites and no known allergies. What can I do?

I've been itchy nearly constantly for several months with no visible rashes or bites and no known allergies.  What can I do?

Dry skin?: Dry skin is the likely cause. Avoid scented or anti-bacterial soap or gel, apply a good moisturizer immediately after bathing. See doctor if this is ineffective since there are many other potential causes (iron deficiency anemia is one among menstruating women). ...Read more

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How can I take off my bumpy rash /bite?

How can I take off my bumpy rash
/bite?

Eval: It isn't possible for us to know what the cause of your rash or the best treatment for it without an eval. Take care. ...Read more

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What can rashes from flea bites look like?

What can rashes from flea bites look like?

Bump: A small red bump with some swelling around the bump. Very itchy too. ...Read more

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How long do tick bite rashes last?

How long do tick bite rashes last?

Up to you: If you are allergic to the bites, then they will itch for weeks. If you scratch them, they will itch until you quit scratching them. They can cause hard bumps called nodules if you continue to rub or scratch. Also, are the fleas still around? Other bites can look like flea bites and last a long time, such as scabies and other mites. Hydrocortisone cream and oral Benadryl (diphenhydramine) will help the itch. ...Read more

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I was recently treated for trichomonas but for the past week my entire body itches severely. No rash, bites, etc. Related? Off meds for about two weeks

I was recently treated for trichomonas but for the past week my entire body itches severely. No rash, bites, etc. Related? Off meds for about two weeks

Post infectious itch: Could simply be a side effect of the treatment, a side effect of your body's immune system getting rid of the trichomonas infection or a completely unrelated condition. Best bet would be to contact the doctor that treated you for the trichomonas and discuss the possible side effects and your current symptoms. ...Read more

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I got bit by a spider a week ago and it caused a hot red rash to spread over my torso. I took Prednz and anthist but still have rash. Bite site about 3in diameter. Not horrible but red and hard. What now?

I got bit by a spider a week ago and it caused a hot red rash to spread over my torso. I took Prednz and anthist but still have rash. Bite site about 3in diameter. Not horrible but red and hard. What now?

Envenomation: The venom has destroyed the area of skin. The venom is used to digest the spider's meal-another dead bug. The spider succeeded in digesting a part of you. As long as it does not get infected (pain, swelling and more redness) let your body will absorb it. ...Read more

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2 year old hiking today in ml, now has dark red spot size of half dollars but don't see bite marks its flat and seems to kinda hurt her rash bite ?

2 year old hiking today in ml, now has dark red spot size of half dollars but don't see bite marks its flat and seems to kinda hurt her rash bite ?

Rash vs bite: It's best to observe the rash but measure it tonight. Re-evaluate tomorrow and bring to the pediatrician if larger or more painful or if other symptoms appear. ...Read more

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severe itching x3wks. No rash, bites and previous dry skin now is very moisturized. No meds, started fish oil and lotion for exzema, not helping?

 severe itching x3wks.  No rash, bites and previous dry skin now is very moisturized.  No meds, started fish oil and lotion for exzema, not helping?

Generalized itch: Generalized itching without primary skin rash most commonly caused by dry skin. Most severe during the winter months and in older people, characterized by itching in areas of dry, scaly skin. Lab work should be checked to see if there is an underlying cause: CBC/diff, liver/renal function tests, and thyroid workup since you seem to be well moisturized. ...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