Sominex (Acetaminophen, Diphenhydramine)

Strength(s): 25 mg

Active Ingredient: Acetaminophen, Diphenhydramine



Sominex is a medication used in the treatment of symptoms of the common cold, hay fever, and allergy. Among these symptoms are itching, runny nose, watery eyes, rash, and itchy throat/nose/eyes.

This medication functions by inhibiting a natural substance (histamine) which is normally produced by the body during an allergic reaction. The drying effects are caused by inhibiting another natural substance, acetylcholine, bringing an end to symptoms such as runny nose and watery eyes.

How to use Sominex

Follow all the instructions of your prescribing doctor when taking this medication. Read the instructions on the package provided by your pharmacist before taking this medication. Seek the assistance of your doctor or pharmacist in case of any queries.

Do not increase or decrease the dose unless your doctor approves of it. Take this medication until the end of the prescribed period. Failure to do so could lead to the worsening of your condition. Take only the prescribed dose and do not overdose. Also, do not take this medication beyond the prescribed schedule.

This medication is administered orally as per the directions of the doctor. This drug can be taken with or without food. It can be prescribed in capsule, tablet or liquid form. When traveling, take this medication 30 minutes before to prevent motion sickness. Also, take it 30 minutes before bedtime so as to aid your sleep.

The dosage prescribed is based on response to treatment and the medical condition. For maximum benefits, use Sominex regularly. Also, take this medication at the same times each day. This will help you remember to take the medication. If your condition fails to improve, consult your doctor.


Do not take Sominex if you are allergic to it. Also, before getting your prescription, discuss with your doctor about other allergic reactions you may have experienced. There may be inactive ingredients present in this drug that may cause an allergic reaction. For more details, consult your pharmacist.

Before taking this medication, discuss your medical history with your doctor especially of difficulty urinating, overactive thyroid, high pressure in the eye, stomach/intestinal problems, liver disease, breathing problems, heart problems, high blood pressure.

Before undergoing any surgical procedures, be sure to provide your doctor with a list of this and other medications you are using. When taking this medication, you may experience in dizziness and drowsiness. Avoid activities that require alertness until you are confident you can carry them out. Children may have more sensitivity to the side effects of this medication.

In the case of pregnant women, this medication should only be used when clearly. For a better understanding of the risks and benefits, consult your doctor. This medication passes into breast milk and may harm the baby. Consult your doctor to understand the risks and benefits before breastfeeding.

Side effects

Among the common side effects that may arise when taking this medication are stomach upset, dizziness, drowsiness, dry mouth/nose/throat, constipation and blurred vision. If any of these effects occur persistently, seek medical assistance. This medication is determined safe for use by the doctor if the benefits outweigh the risk of side effects.

Among the serious side effects that may be experienced when taking this medication are difficulty urinating, seizures, fast/irregular heartbeat, mental/mood changes. If any of these effects occur, seek immediate medical assistance.

Where to buy Sominex

You can now buy Sominex from any online pharmacy. When you order Sominex online, you are treated to cheap and discounted prices while still getting high-quality medication. Also, there is the added convenience of delivery to your doorstep when you buy Sominex from an online pharmacy. Cheap Sominex is available for purchase so visit your online pharmacy and make the order.

Related products