These drugs are technically “antihistamines” as well, but they typically don’t go by that name. These drugs, such as the over-the-counter drug Tagamet (cimetidine) and Pepcid (famotidine), treat very ...

Thankfully, antihistamines can block this chemical release and help reduce symptoms quickly. But just like prescription drugs ...

However, arrhythmias are also reported with existing malaria drugs and other antihistamines now sold over the counter. Astemizole is currently still used in 30 countries, including Cambodia ...