A 33-year-old member asked:
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i keep getting these randome hives that comes, itch like crazy and then go away. what could it be?

1 doctor answer
Dr. Steven Machtinger
43 years experience Allergy and Immunology
Quick overview: Acute hives lasting <6 weeks: food or drug allergy, viral or streptococcal infections. Chronic hives >6 weeks: common: idiopathic & autoimmune; rare: parasites, malignancy, mastocytosis, food allergy. Physical urticaria: due to increased mast cell fragility: dermatographism (literally skin writing), pressure, delayed pressure, vibration, cold, hot, sunlight. If answer not obvious see an allergist.
Answered on Mar 26, 2013

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Related questions:

A member asked:
Dr. Steven Machtinger
43 years experience Allergy and Immunology
Chronic urticaria: You have hives. Hives lasting more than 2 months are characterized as chronic. About 95% of chronic hives are a benign but uncomfortable manifestation ... Read More
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A 29-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
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More details.: How long have you had this problem? Are the marks black and not red at all? How long does each of the mark stay with you? Do these marks appear when ... Read More
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A 32-year-old male asked:
Dr. John Chiu
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Hives: They sound like hives. Try antihistamine up to every 6 hrs to see if it helps. If not, see doctor. Even if it helps, if they persist over 6 weeks, se ... Read More
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A 43-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
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Days: It may last several days. In the meanwhile, try taking antihistamine up to 4x daily to see if this helps. If not, see your doctor.
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