Astemizole (Histalong)
Introduction Astemizole, once a notable antihistamine in the treatment of allergies, has a history marked by its withdrawal from the market due to safety concerns. Prescribers traditionally recommended it for allergic rhinitis and chronic idiopathic urticaria, as it is an antagonist at H1 histamine receptors. However, its withdrawal stemmed from the recognition of potentially life-threatening … Read more