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red splotchy patches on legs that come and go for a couple of weeks now is it an allergy

A 48-year-old member asked:
Dr. John Leander Po
17 years experience Infectious Disease
Unlikely, but: More info is needed. If the patches are multicolored and itchy, it could be erythema multiforme; the patches are red, swollen, and itchy, which can be ... Read More

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A member asked:
Dr. Robert Kwok
32 years experience Pediatrics
Viral? Allergic?: Blotchy appearing reddish rashes can occur when the blood flow in the tiny vessels at the skin's surface change, such as in an allergic rash, a viral ... Read More
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A 30-year-old female asked:
Dr. Michael Fisher
31 years experience Dermatology
Dermatographism: Dermatographism means the ability to write on the skin. People with this form of chronic urticaria are sensitive to touch and pressure, as well as scr ... Read More
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A 23-year-old male asked:
Dr. John Goldman
54 years experience Rheumatology
May not be allergy: Since you are not itching I would not immediately consider cat allergy. The coughing and the rash needs clarfication. I woud contact your physic ... Read More
A 36-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Probably not: but you need to talk to your doctor about this issue. Warfarin rash tends to induce huge bruises and likely more generalized than confined to the leg ... Read More
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A 25-year-old male asked:
Dr. Charlene Sojico
40 years experience Pediatrics
Depends on what: is making you itch . Most of the time, it is contract dermatitis or eczema. You may take an antihistamine and apply topical steroids to take care of t ... Read More
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A 42-year-old male asked:
Dr. Antoanella Calame
18 years experience Dermatology
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 prope ... Read More
A 7-year-old male asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Possible infection: The presence of fever suggests that the rash may be related to an infection. Fever is not typically associated with allergic reactions. A thorough e ... Read More
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A 22-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Lower leg exposed?: You may have what is called cholinergic urticaria in the early stage because there have been no hives. This happens during the cooling period after a ... Read More
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A 51-year-old member asked:
Dr. Nayla Mumneh
28 years experience Allergy and Immunology
Eczema?: Typically this is the location of an eczema rash at that age, but it also can be a viral infection of the skin. It is best to have the pediatrician lo ... Read More
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