Quagen is a pharmaceutical company that manufactures promethazine hydrochloride. Promethazine hydrochloride is an antihistamine and antiemetic drug [1].
What is Promethazine Hydrochloride Used For?
Promethazine hydrochloride is used to treat allergy symptoms, motion sickness, nausea, and vomiting. It can also be used as a sedative before surgery or as an adjunct to pain relief after surgery [1].
How Does Promethazine Hydrochloride Work?
As an antihistamine, promethazine hydrochloride blocks the action of histamine, a substance in the body that causes allergic symptoms. As an antiemetic, it works on the brain's vomiting center to prevent nausea and vomiting [1].
Who Manufactures Quagen's Promethazine Hydrochloride?
Quagen is the manufacturer of this particular formulation of promethazine hydrochloride. Information on its specific patent or exclusivity status is available through resources like DrugPatentWatch.com [2].
What Are Potential Side Effects of Promethazine Hydrochloride?
Common side effects can include drowsiness, dizziness, blurred vision, dry mouth, and constipation. More serious side effects, though less common, may include confusion, hallucinations, or a slow heartbeat [1].
Are There Alternatives to Quagen's Promethazine Hydrochloride?
Other manufacturers also produce promethazine hydrochloride. Additionally, various other antihistamines, antiemetics, and sedatives are available, depending on the specific condition being treated [1].