ZzzQuil Nighttime Sleep-Aid 25 mg/1 (Diphenhydramine Hydrochloride CAPSULE, GELATIN COATED) 25 mg/1

ZzzQuil Nighttime Sleep-Aid 25 mg capsules provide relief for occasional sleeplessness. This over-the-counter sleep aid contains diphenhydramine hydrochloride, a common antihistamine known for its sedative effects.

Strength

25 mg/1

Pack Size

36 BLISTER PACK in 1 CARTON (37000-501-72) / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK

Manufacturer / TM Owner

The Procter & Gamble Manufacturing Company

Select Quantity

Pack/s

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Indications & Clinical Uses

ZzzQuil Nighttime Sleep-Aid is primarily used to help individuals fall asleep faster and stay asleep longer. It is often taken by those experiencing occasional sleeplessness or difficulty sleeping due to minor discomfort. The active ingredient, diphenhydramine hydrochloride, works by blocking histamine receptors in the brain, which can induce drowsiness and promote sleep. This sleep aid is commonly used for short-term relief and is not intended for long-term use.

Side Effects

Common effects of ZzzQuil Nighttime Sleep-Aid may include drowsiness, which is the intended effect for promoting sleep. Some users may also experience dry mouth, blurred vision, or mild dizziness. These effects are generally temporary and should subside as the medication wears off. It is important to avoid activities that require alertness, such as driving or operating machinery, until the effects of the sleep aid have fully worn off.

Precautions & Warnings

ZzzQuil Nighttime Sleep-Aid should be used with caution, especially by individuals with certain medical conditions such as glaucoma, asthma, or an enlarged prostate. It is also important to consult a healthcare provider before use if you are pregnant, breastfeeding, or taking other medications. Always follow the instructions on the packaging and do not exceed the recommended dosage. Keep the medication out of reach of children and store it in a cool, dry place.

Avoid Interactions

ZzzQuil Nighttime Sleep-Aid may interact with other medications, including antidepressants, antihistamines, and alcohol. Consuming alcohol while taking this sleep aid can enhance the sedative effects and increase the risk of side effects. It is also important to be cautious when combining this medication with other central nervous system depressants, as this can lead to excessive drowsiness. Always consult a healthcare provider before taking ZzzQuil Nighttime Sleep-Aid with other medications.

Frequently Asked Questions

ZzzQuil Nighttime Sleep-Aid is used to help individuals fall asleep faster and stay asleep longer, particularly for those experiencing occasional sleeplessness.

ZzzQuil Nighttime Sleep-Aid should be taken orally, typically before bedtime, following the instructions on the packaging.

Common side effects may include drowsiness, dry mouth, blurred vision, and mild dizziness. These effects are generally temporary.

It is important to consult a healthcare provider before taking ZzzQuil Nighttime Sleep-Aid with other medications, as interactions can occur.

ZzzQuil Nighttime Sleep-Aid is intended for short-term use and should not be used for extended periods without consulting a healthcare provider.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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