Phenergan promethazine hydrochloride tablets are a remedy that can be used to ease a few different conditions. One of the most popular reasons to use Phenergan is to ease the symptoms of an allergic reaction or hay fever, such as rashes, itchy or watery eyes, coughs, and sneezes. Phenergan can also be used to ease motion sickness, helping to prevent nausea so you can enjoy your trip without feeling sick and uncomfortable. Finally, Phenergan can be used as a short-term remedy for insomnia, or difficulty sleeping, helping you to drift off into a good night’s sleep.
The active ingredient in Phenergan is promethazine hydrochloride, which is an antihistamine that belongs to a group of medicines known as phenothiazines. When you have an allergic reaction, your body creates a natural substance called histamine. Histamine sends signals around your body that trigger symptoms of allergy, such as a runny nose or watery eyes. Antihistamines work by blocking histamine, which prevents your symptoms so you won’t have to suffer from an allergic reaction. (Brand may Vary)