Brompheniramine (Dimetane)
Cetirizine (Zyrtec)
Dimenhydrinate
Diphenhydramine (Benadryl)
Doxylamine
Fexofenadine (Allegra)
Hydroxyzine (Vistaril)
Loratadine (Claritin)
Meclizine
Cimetidine
Famotidine
Nizatidine
Ranitidine
Roxatidine
Antihistamines
Laxatives
Antivirals
Opioids
Corticosteroids
Toxic alcohols
Nonsteroidal anti-inflammatory drugs
Local anesthetics