Buy Diphenhydramine Diphenhydramine Hydrochloride USP

Diphenhydramine Hydrochloride USP 50mg/ml in vials is an antihistamine used for temporary relief of allergy symptoms and mild pain. This non-prescription formulation is commonly used to address seasonal allergies, hay fever, and minor skin irritations. Suitable for adults and children over 12.

Strength

50mg/ml

Manufacturer / TM Owner

Hikma Pharmaceutical

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Uses / Indications

Diphenhydramine Hydrochloride USP 50mg/ml vials are often used to provide short-term relief from symptoms like sneezing, itching, watery eyes, and runny nose caused by allergies or the common cold. It may also help with mild pain or discomfort associated with insect bites and minor skin reactions. Some users take it for occasional sleeplessness due to its sedating properties.

Side Effects

Many users experience drowsiness shortly after taking diphenhydramine, which can make it helpful for occasional sleep support. Some people notice a drying effect in the mouth or throat, and mild dizziness may occur. These effects are generally temporary and vary by individual.

Precautions & Warnings

Keep vials tightly closed and store at room temperature away from light and moisture. Avoid exposure to extreme heat or freezing. Keep out of reach of children and pets. Do not use if the solution appears discolored or contains particles. Consult a healthcare provider if symptoms persist or worsen.

Avoid Interactions

Diphenhydramine may interact with alcohol, sedatives, or other medications that cause drowsiness, potentially increasing side effects. It can also affect the metabolism of certain drugs processed by the liver. Always inform your healthcare provider about all medications and supplements you are taking before using this product.

References

Frequently Asked Questions

It is commonly used for temporary relief of allergy symptoms, mild pain, and occasional sleeplessness.

Yes, it may help relieve sneezing, itching, and watery eyes caused by seasonal allergies.

Yes, drowsiness is a common effect and may occur shortly after use.

Store at room temperature, away from light and moisture, and keep the vial tightly closed.

Consult a healthcare provider before giving to children under 12 or those with specific health conditions.

Published by GNH India Pharmaceuticals Limited

Last updated: 18 May 2026

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