Phenerzine

Phenergan: Promethazine Hydrochloride Injection

Phenergan is an antihistamine used to treat a variety of conditions, including nausea, vomiting, and allergic reactions. It is available in a sterile, pyrogen-free solution for deep intramuscular or intravenous administration.

Each milliliter of Phenergan contains 25 mg or 50 mg of promethazine hydrochloride, along with edetate disodium, calcium chloride, sodium metabisulfite, and phenol in Water for Injection. The solution is buffered with acetic acid-sodium acetate to maintain a pH between 4.0 and 5.5.

Promethazine hydrochloride is a racemic compound with the structural formula C17H21ClN2S and a molecular weight of 320.88. It is effective in reducing symptoms of allergies, motion sickness, and other conditions where antihistamines are indicated.

When using Phenergan, it is essential to follow the recommended dosage and consult with your doctor or pharmacist if you have any questions or concerns. This medication should not be taken if you are allergic to any of its ingredients, including lactose, maize starch, povidone, and other inactive components.

Phenergan can cause side effects such as drowsiness, dizziness, and dry mouth. If you experience any unusual symptoms, it is crucial to seek medical attention promptly.

By understanding the benefits and proper use of Phenergan, you can effectively manage your symptoms and improve your overall well-being. Always follow the instructions provided by your healthcare professional and monitor your body’s response to the medication.