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ZzzQuil

Generic name: diphenhydramine (DYE fen HYE dra meen)

Brand names: Allergy Relief (Diphenhydramine HCl), Allermax, Banophen, Benadryl, Compoz Nighttime Sleep Aid, Diphedryl, Diphenhist, Dytuss, Nytol QuickCaps, PediaCare Children's Allergy, Q-Dryl, QlearQuil Nightitme Allergy Relief, Quenalin, Scot-Tussin Allergy Relief Formula, Siladryl Allergy, Silphen Cough, Simply Sleep, Sleepinal, Sominex, Tranquil

Last updated November 5, 2026 0 views
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What is ZzzQuil?

ZzzQuil is an antihistamine that decreases the impacts of natural chemical histamine in the body.

ZzzQuil is used as a sleep-aid for the alleviation of occasional sleeplessness, and to minimize the time it requires to go to sleep if you have trouble falling asleep.

ZzzQuil may likewise be utilized for objectives not detailed in this drug overview.

You should not make use of antihistamine medicine to make a kid drowsy.

You ought to not use ZzzQuil if you are allergic to it.

This medicine is except usage in kids under the age of 12 years.

Ask a medical professional or pharmacologist if it is safe for you to take ZzzQuil if you have other clinical conditions, specifically:

  • clog in your digestive tract (belly or intestinal tracts);.
  • bladder blockage or other peeing issues;.
  • a colostomy or ileostomy;.
  • liver or kidney disease;.
  • asthma, chronic obstructive pulmonary disease (COPD), or other breathing disorder;.
  • coughing with mucous, or coughing triggered by smoking, emphysema, or chronic bronchitis;.
  • cardiovascular disease, low blood pressure;.
  • glaucoma;.
  • a thyroid condition; or.
  • if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

It is not understood whether ZzzQuil will damage an expected infant. Ask a physician prior to using this medicine if you are expecting.

Diphenhydramine can enter breast milk and may damage a nursing infant. Antihistamines might additionally reduce breast milk manufacturing. Ask a physician prior to using this medication if you are breast-feeding.

Older adults might be more probable to have adverse effects from this medication.

This section was rewritten for readability and reviewed for meaning.

How should I take ZzzQuil?

Use specifically as routed on the tag, or as recommended by your medical professional. Do not use in bigger or smaller sized amounts or for longer than suggested.

Do not offer this drug to a youngster younger than 12 years old.

You ought to not make use of antihistamine medicine to make a child drowsy.

Measure fluid medicine with the application syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacologist for one.

As a rest aid, take ZzzQuil within 30 mins prior to going to bed.

Call your doctor if your symptoms do not boost after 7 days of therapy, or if you have a high temperature with a migraine, cough, or skin rash.

This drug can impact the results of allergic reaction skin tests. Tell any medical professional that treats you that you are utilizing ZzzQuil.

Store at area temperature level far from moisture and warm.

This section was rewritten for readability and reviewed for meaning.

ZzzQuil side effects

Obtain emergency medical assistance if you have signs of an allergic reaction: hives; challenging breathing; swelling of your face, lips, tongue, or throat.

Stop utilizing ZzzQuil and call your doctor at the same time if you have:

  • pounding heart beats or fluttering in your breast;
  • agonizing or hard urination;
  • little or no urinating;
  • confusion, feeling like you could lose consciousness; or
  • rigidity in your neck or jaw, unmanageable motions of your tongue.

Usual negative effects may include:

  • lightheadedness, sleepiness, loss of sychronisation;
  • completely dry mouth, nose, or throat;
  • bowel irregularity, upset stomach;
  • completely dry eyes, blurred vision; or
  • day-time sleepiness or "hangover" sensation after night-time use.

This is not a total listing of adverse effects and others might happen. Call your medical professional for clinical suggestions regarding side effects. You may report negative effects to FDA at 1-800-FDA-1088.

See additionally:

ZzzQuil side effects (in more detail).

Ask a medical professional or pharmacist before using ZzzQuil if you are additionally making use of any other drugs, consisting of prescription and non-prescription medications, vitamins, and herbal items. Some medicines can create unwanted or unsafe impacts when utilized together. Not all feasible interactions are noted in this drug overview.

Taking this medicine with various other drugs that make you drowsy or sluggish your breathing can intensify these impacts. Ask your medical professional before taking ZzzQuil with a resting pill, numbing discomfort medicine, muscle relaxer, or medication for stress and anxiety, depression, or seizures.

See additionally:.

ZzzQuil medicine communications (in even more information).

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Since ZzzQuil is made use of when required, you may not get on an application routine. If you get on a routine, use the missed out on dose as soon as you bear in mind. Avoid the missed dose if it is nearly time for your following set up dosage. Do not utilize extra medication to compose the missed dosage.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Look for emergency clinical attention or call the Toxin Help line at 1-800-222-1222.

This medication might create obscured vision and might hinder your reasoning or reactions. Take care if you drive or do anything that requires you to be sharp and able to see plainly.

Drinking alcohol can boost particular side effects of diphenhydramine.

Ask a medical professional or pharmacist before utilizing any other cold, cough, allergy, or rest medication. Antihistamines are included in several mix medications. Taking certain items together can create you to obtain too much of this sort of medicine. Inspect the label to see if a medication contains an antihistamine.

This section was rewritten for readability and reviewed for meaning.

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Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.