51�Թ�

According to the report, Michael Citron died from acute chlorpheniramine intoxication.

Chlorpheniramine is an antihistamine used in medicine brands such as Benadryl, Nytol and Tylenol.

Those that contain diphenhydramine or chlorpheniramine are older-generation, short-acting drugs that often cause drowsiness.

India's health ministry banned the combination of chlorpheniramine maleate and codeine syrup, which Pfizer sells as the cough syrup Corex, in a notice over the weekend saying it could pose a risk to humans.

Containing dextromethorphan and chlorpheniramine, Coricidin is commonly used to treat headaches, fever and pain, school Principal Julie Synyard said in a letter sent to parents Tuesday.