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Reddish Purple Knee Area, Had Hives. Advise?

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Posted on Wed, 4 Jul 2012
Question: I had hives and now my legs around my knees are reddish purple. Help please?
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Answered by Dr. Santosh Kondekar (5 hours later)
Hi,

Thanks for your query.

Hives is a kind of allergic reaction that causes itchy weals with erythema, that settles with steroids and antiitching medicines.
Often the diagnosis is clinical and hence no investigations may be asked, The lesions are typical, pink with raised edges and central scaling, multiple and itchy, usually over exposed parts or all over body, there may be any history of allergy in past..
The tests you may need are allergen skin test, and if it is in families serum c1q esterase .
occasionally rash may not be hives, like say typical calf rash may be confused with purpura, in such cases a complete blood count may also be helpful.

I hope this answers your query.
Wishing you a rapid recovery.

Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Santosh Kondekar

Pediatrician

Practicing since :1997

Answered : 379 Questions

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Reddish Purple Knee Area, Had Hives. Advise?

Hi,

Thanks for your query.

Hives is a kind of allergic reaction that causes itchy weals with erythema, that settles with steroids and antiitching medicines.
Often the diagnosis is clinical and hence no investigations may be asked, The lesions are typical, pink with raised edges and central scaling, multiple and itchy, usually over exposed parts or all over body, there may be any history of allergy in past..
The tests you may need are allergen skin test, and if it is in families serum c1q esterase .
occasionally rash may not be hives, like say typical calf rash may be confused with purpura, in such cases a complete blood count may also be helpful.

I hope this answers your query.
Wishing you a rapid recovery.