Promethazine Hydrochloride (Phenerex) 25mg/ml (50mg/2ml) Solution for Injection is a product designed for intramuscular (IM) or intravenous (IV) use. Each 2ml ampoule contains 50mg of Promethazine Hydrochloride, a first-generation antihistamine used to treat allergies, nausea, vomiting, and to provide sedation. It can also be used for preventing and treating motion sickness. The product comes in a box containing 10 ampoules, each offering an effective dose of the medication for healthcare professionals to administer as needed. This solution should only be used under the guidance of a healthcare provider.