Active Ingredient(s): Astemizole
Category: Allergies, Cough & Cold

Astemizole (marketed under the brand name Hismanal, developmental code R43512) was a second-generation antihistamine drug that has a long duration of action. Astemizole was discovered by Janssen Pharmaceutica in 1977. It was withdrawn from the market globally in 1999 because of rare but potentially fatal side effects (QTc interval prolongation and related arrhythmias due to hERG channel blockade).[2][3] Contents 1 Pharmacology 2 Toxicity 3 References 4 Extern... [wikipedia]

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