Promethazine

Product Overview

Phenergan is a medication containing the active ingredient Promethazine 10 mg. It is formulated in tablet form and is widely prescribed to manage conditions such as allergies, motion sickness, nausea, and vomiting. Promethazine, the key component of Phenergan, functions as an antihistamine, inhibiting histamine’s effects in the body to relieve allergic reactions. It also possesses antiemetic properties, making it effective in controlling nausea and vomiting.

Uses

Phenergan tablets are primarily used to treat allergic conditions, including hay fever, allergic rhinitis, and hives. They are also prescribed to prevent and alleviate motion sickness, as well as to manage nausea and vomiting caused by surgery, anesthesia, or certain medical conditions. Additionally, Phenergan may be combined with other medications to enhance their therapeutic effects for specific symptoms.

How to Use

Take Phenergan tablets orally with a full glass of water, with or without food. Adhere to the dosage instructions provided by your healthcare professional or as indicated on the product label. Do not crush or chew the tablets, as this may disrupt their controlled-release mechanism. For motion sickness prevention, take the medication at least 30 to 60 minutes before traveling.

How it Works

Promethazine, the active ingredient in Phenergan, works by blocking histamine at H1 receptors, reducing allergic symptoms such as itching, sneezing, and a runny nose. It also acts on the brain to suppress dopamine release, a neurotransmitter involved in nausea and vomiting regulation. By inhibiting dopamine receptors, Promethazine effectively alleviates motion sickness and nausea symptoms.

Dosage and Administration

The dosage of Phenergan varies based on age, weight, and medical condition. It is typically taken 1 to 4 times daily as directed by your healthcare provider. Follow the prescribed instructions carefully and avoid exceeding the recommended dose. For motion sickness prevention, take Phenergan 30 to 60 minutes before travel. If a dose is missed, take it as soon as possible. However, if it is nearly time for the next dose, skip the missed dose and resume the regular schedule.

Benefits

Phenergan provides several benefits, including:

• Relief from allergic symptoms such as itching, sneezing, and runny nose
• Prevention and treatment of motion sickness
• Reduction of nausea and vomiting from various causes
• Convenient oral administration in tablet form

Common Side Effects

Common side effects of Phenergan may include drowsiness, dizziness, dry mouth, blurred vision, constipation, and urinary retention. These effects are generally mild and temporary. If they persist or worsen, consult your healthcare provider. Avoid activities requiring mental alertness, such as driving or operating machinery, until you understand how Phenergan affects you.

Warnings

Use Phenergan cautiously if you have asthma, chronic respiratory disorders, or liver disease. It may interact with sedatives, tranquilizers, and monoamine oxidase inhibitors (MAOIs), so inform your doctor about all medications you are taking. Avoid alcohol while using Phenergan, as it may increase drowsiness and dizziness.

Storage Information

Store Phenergan tablets at room temperature, away from moisture, heat, and direct sunlight. Keep the medication out of reach of children and pets. Do not use Phenergan past the expiration date on the packaging.

Disclaimer:

Our goal is to provide expert-reviewed, accurate, and reliable information. However, this content should NOT replace professional medical advice. The information here is for educational purposes only and may not cover all possible side effects, drug interactions, or warnings. Always consult your doctor for any health-related concerns. This information is intended to support, not replace, the doctor-patient relationship.