Familial dermatographia
MONDO:0007448Familial dermographism is a condition also known as skin writing. When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. Signs and symptoms of dermatographia include raised red lines, swelling, inflammation, hive-like welts and itching. Symptoms usually disappear within 30 minutes. The exact cause of this condition is unknown. Treatment may involve use of antihistamines if symptoms do not go away on their own.
Also known as: dermatographic urticaria, dermographism, DDU, Dermatographism, familial, Dermodistortive urticaria, VBU, dermatographia, dermo-distortive urticaria
13 clinical trials for this condition and its sub-types, 12 tagged with Familial dermatographia itself.
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Could allergy pills calm irritable bowel syndrome?
Disease control CancelledThis trial tests whether a combination of two common antihistamines, cetirizine and famotidine, can reduce symptoms in people with diarrhea-predominant irritable bowel syndrome (IBS-D). Participants take the antihistamines or a placebo for 30 days, then switch, so each person ser…
Phase 3 • Sponsor: University of Cincinnati • Aim: Disease control
Last updated Sep 06, 2026 00:00 UTC
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New hope for chronic hives sufferers: drug targets root cause
Disease control OngoingThis study tests a new medication, remibrutinib, for people with chronic hives caused by triggers like cold, heat, or scratching (chronic inducible urticaria). The drug aims to control symptoms better than standard antihistamines. About 362 adults will take the drug or a placebo …
Phase 3 • Sponsor: Novartis Pharmaceuticals • Aim: Disease control
Last updated Aug 22, 2026 00:00 UTC
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New pill could tame stubborn hives that antihistamines Can't stop
Disease control OngoingThis study tests an experimental drug called BLU-808 for people with chronic hives (urticaria) that don't get better with standard antihistamines. The drug works by blocking a protein called KIT, which may help control the allergic reaction causing the hives. About 105 adults wil…
Phase 2 • Sponsor: Blueprint Medicines Corporation • Aim: Disease control
Last updated Jul 24, 2026 00:00 UTC