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Doctor insights on: Burning Red Itchy Rash On Back Of Knees

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Off/on for past year+ i've been fighting an itchy rash on my butt (btwn chks). It comes/go. Recently I have had other symp-hair loss, rash on back of neck, behind knees. I have hypo thyroid. What cause?

Off/on for past year+ i've been fighting an itchy rash on my butt (btwn chks). It comes/go. Recently I have had other symp-hair loss, rash on back of neck, behind knees. I have hypo thyroid. What cause?

Skin: Hypothyroidis even uncorrected would unlikely to cause the skin lesions you described. I think at this time you need to have a work up to rule out other autoimmune diseases. Also, seeing a dermatologist would be helpful. ...Read more

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Dr. Tonga Nfor
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Dr. Cornelia Franz
1,061 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 have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

I have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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Dr. Tonga Nfor
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10 years in practice
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Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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Dr. Tonga Nfor
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10 years in practice
486K people helped
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I have seen my Doctor several times over the last 2 years about this red, itchy rash with tiny fluid filled bumps on my knees.

I have seen my Doctor several times over the last 2 years about this red, itchy rash with tiny fluid filled bumps on my knees.

Itchy rash: Rashes are notoriously difficult to solve without seeing them. Hives are like raised patches and can be described as water-filled. Several treatment modalities would help you in that case. Contact allergy may be more likely and an Allergist can help identify triggers and treat that as well. Step 1 is to try not to rub/itch it, which makes the itch worse in either case. ...Read more

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Sudden appearance of red itchy rash behind my knee, swelling and spreading. I scratched my eyelid and got four bumps there too so its spreading?

Sudden appearance of red itchy rash behind my knee, swelling and spreading. I scratched my eyelid and got four bumps there too so its spreading?

Allergies: Patients with allergies can develop red and itchy skin around the eyes and on the eyelids from allergies. Behind the knees and on the inside part of the elbow too.This skin condition is called allergic dermatitis or allergic eczema. You can use a hypoallergenic cream/lotion: cetaphil or lubriderm and consider contacting your medical doctor about taking allergy pills-such as Claritin or allegra. ...Read more

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I'm concerned because I have swollen hands and knees and red itchy rash!?

I'm concerned because I have swollen hands and knees and red itchy rash!?

Arthritis rash can b: Inflammatory, and psoriais can be associated with a condition know as dactylitis and can affect the knees as psoriatic arthritis . Other causes are infection, gout, lyme disease, . ...Read more

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After i drink several glasses of red wine, my right calf swells up, my leg aches, and i get an itchy rash behind my knee. Whats going on?

Reaction to sulfites: Is possible. Sometimes, more expensive red wines can contain sulfites. I don't know why your left calf will be spared though. Stick with cheap white wine. ...Read more

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Dr. John Chiu
2,332 doctors shared insights

Skin Rash (Definition)

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
552 doctors shared insights

Itchy Rash (Definition)

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


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Dr. Tonga Nfor
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