21. Another test known as a phototest is the most useful in identifying solar urticaria . 22. A subgroup of solar urticaria , fixed solar urticaria, has also been identified. 23. A subgroup of solar urticaria, fixed solar urticaria , has also been identified. 24. Allergic reactions range from urticaria to anaphylaxis. 25. Famotidine has been used in combination with an urticaria caused by an acute allergic reaction. 26. Anaphylactoid reactions range from urticaria and itching, to bronchospasm and facial and laryngeal edema. 27. Fortunately, 50 % of people with chronic urticaria will experience remission within 1 year. 28. Individuals with chronic urticaria may need other medications in addition to antihistamines to control symptoms. 29. It is usually caused by allergy and occurs together with other allergic symptoms and urticaria . 30. Urticaria ( hives ) may develop simultaneously.
