How to deal with Dermatographic urticaria ?
- 10 years agoFavorite Answer
Take some benadryl (diphenhyramine.)
"Dermographism can be treated by antihistamines, which prevent histamine from causing the reaction. These may need to be given as a combination of H1 antagonists, or possibly with an H2-receptor antagonist such as cimetidine.
Not taking hot baths or showers may help if it is generalized (all over) and possibly for localized (in a specific area). If not taking showers helps, it may be a condition called shower eczema. If it affects mainly the head, it may be psoriasis. In rare cases, allergy tests may uncover substances the patient is allergic to. Using biodegradable or hypo-allergenic soaps and laundry supplies may help.
While cromoglycate, which prevents histamine from being released from mast cells, is used topically in rhinitis and asthma, it is not effective orally for treating chronic urticaria."