Vanahist PD

This medicine may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Drinking alcohol can increase certain side effects of triprolidine.

Ask a doctor or pharmacist before using any other cold, cough, allergy, or sleep medicine. Many combination medicines contain antihistamines. Taking certain products together can cause you to get too much of this type of medicine.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Triprolidine can decrease sweating and you may be more prone to heat stroke.