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Z-Sleep

Generic name: diphenhydramine

Brand names: Allergy (Diphenhydramine HCl), Allergy Relief (Diphenhydramine HCl), Banophen, Benadryl, Benadryl Allergy, Benadryl Children's Allergy, Benadryl Children's Allergy Fastmelt, Benadryl Children's Dye Free, Benadryl DF, Benadryl Dye Free Allergy, Benadryl Fastmelt, Benadryl Ultratab, Children's Allergy, Children's Allergy Relief, Childrens Dye-Free Allergy Relief, Compoz Nighttime Sleep Aid, Diphedryl, Diphenhist, Dormin, Geri-Dryl

Last updated November 5, 2026 0 views
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What is Z-Sleep?

Z-Sleep is an antihistamine that is utilized to deal with sneezing, dripping nose, watery eyes, hives, skin rash, itching, and various other cold or allergy symptoms.

Z-Sleep is likewise made use of to deal with motion sickness, to cause sleep, and to treat particular symptoms of Parkinson's illness. This medicine rest aid medication is not for use in youngsters younger than 12 years of ages.

There are many brand names and types of diphenhydramine offered. Not all brand names are noted on this brochure.

Z-Sleep might also be used for objectives not detailed in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Z-Sleep?

Use precisely as directed on the tag, or as prescribed by your medical professional. Z-Sleep is only for temporary usage up until your symptoms clean up.

Taking excessive Z-Sleep can result in significant heart troubles, seizures, coma, or death.

Constantly comply with directions on the medicine label concerning giving Z-Sleep to a kid. Do not utilize the medication only to make a youngster sleepy. Fatality can occur from the misuse of antihistamines in very children.

For motion sickness, take Z-Sleep 30 mins before you will certainly be in a circumstance that creates you motion sickness (such as a lengthy auto experience, aircraft or boat travel, theme park experiences, and so on). Proceed taking this medicine with meals and at bedtime for the remainder of the time you will certainly remain in a motion-sickness scenario.

As a rest help, take Z-Sleep within 30 minutes prior to going to bed.

You need to eat the chewable tablet before you ingest it.

Step liquid medication meticulously. Use the dosing syringe offered, or utilize a medicine dose-measuring device (not a cooking area spoon).

Get rid of an orally disintegrating tablet computer from the bundle just when you prepare to take the medicine. Place the tablet in your mouth and allow it to liquify, without eating. Ingest a number of times as the tablet liquifies.

Call your medical professional if the problem you are treating with Z-Sleep does not improve, or if you have a high temperature with a headache, coughing, or skin breakout.

Do not make use of Z-Sleep for longer than 2 weeks to treat rest troubles, or longer than 7 days to deal with chilly or allergy signs.

Z-Sleep can influence the results of allergy skin tests. Tell any kind of physician who treats you that you are using Z-Sleep.

Shop at room temperature far from dampness and warmth.

This section was rewritten for readability and reviewed for meaning.

Warnings

Use Z-Sleep precisely as routed. Taking too much Z-Sleep can cause severe heart troubles, seizures, coma, or fatality.

Do not utilize this medication to make a child drowsy. Z-Sleep sleep help medicine is except usage in youngsters younger than 12 years old.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You need to not utilize Z-Sleep if you dislike it.

Ask a physician or pharmacist if this medicine is secure to use if you have ever had:

  • an enlarged prostate or urination issues;
  • asthma, chronic obstructive lung disease (COPD), or various other breathing problem;
  • glaucoma; or
  • a thyroid disorder.

Ask a physician before utilizing this medication if you are expecting or breastfeeding. Z-Sleep may slow breast milk production.

This section was rewritten for readability and reviewed for meaning.

Z-Sleep side effects

Get emergency medical aid if you have indications of an allergy: hives; hard breathing; swelling of your face, lips, tongue, or throat.

Z-Sleep may trigger severe negative effects. Quit utilizing Z-Sleep and call your physician at once if you have:

  • serious sleepiness; or
  • unpleasant or hard peeing.

Adverse effects such as completely dry mouth, irregularity, and complication might be most likely in older grownups.

Usual side effects of Z-Sleep might consist of:

  • sleepiness;
  • dry eyes, blurred vision;
  • dry mouth, nose, or throat;
  • lowered peeing;
  • constipation;
  • feeling agitated or excited (specifically in youngsters); or
  • day-time sleepiness or "hangover" sensation after night-time usage.

This is not a total list of side effects and others may take place. Call your medical professional for clinical suggestions concerning side effects. You might report negative effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Because Z-Sleep is used when required, you may not get on an application timetable. Skip any type of missed out on dose if it's almost time for your next dose. Do not utilize 2 doses at one time.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Look for emergency situation medical attention or call the Poisonous substance Help line at 1-800-222-1222. An overdose of diphenhydramine can be deadly.

Overdose signs and symptoms may include throwing up, confusion, serious sleepiness, ringing in your ears, no urination, extremely completely dry eyes and mouth, expanded pupils, fast heartbeats, shake, anxiety, hallucinations, or seizure.

Avoid driving or harmful task till you recognize just how Z-Sleep will affect you. Your reactions can be impaired.

Consuming alcohol can enhance specific negative effects of diphenhydramine.

Ask a physician or pharmacologist prior to using any type of other medication that might include Z-Sleep. This includes medications for rest, cold/allergy signs and symptoms, or anti-itch medicine used on the skin. Making use of excessive this medicine may cause a deadly overdose.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Z-Sleep?

Ask a doctor or pharmacologist before making use of Z-Sleep with any type of other medicines, particularly medicines that can create sleepiness (such as opioid medicine, rest medicine, a muscular tissue relaxer, or medicine for anxiousness or seizures). Inform your medical professional concerning all your existing medicines and any kind of medicine you begin or stop making use of. This consists of prescription and over the counter medicines, vitamins, and natural items. Not all feasible communications are detailed right here.

This section was rewritten for readability and reviewed for meaning.

Common questions about Z-Sleep

What are the strongest sleeping pills?
There are many different types of sleeping pills available. Some require a prescription, while others are available over the counter. In general, prescription sleeping pills are stronger than those found over the counter. Some strong sleeping pill names include zolpidem, temazepam, and suvorexant. Continue reading
What is the max dose of diphenhydramine for adults?
The maximum oral dose of diphenhydramine for adults is generally reported as 50 to 100 mg for a single dose or no more than 300 mg in 24 hours, but this can vary depending on what condition diphenhydramine is being used for, the salt of diphenhydramine used (there are two salts available in the US diphenhydramine citrate and diphenhydramine chloride), the age of the person, how much diphenhydramine they have tolerated before, and if they are on any interacting medications. Taking too much diphenhydramine can be fatal. Continue reading
How Fast Does Benadryl Work? Onset Time and Duration
Benadryl starts working within 30 minutes after taking it orally, with peak effects reached in 1-2 hours. The antihistamine effects last 4-6 hours for most people. Injectable Benadryl works even faster than oral tablets, providing quicker relief for severe allergic reactions. Continue reading
Does diphenhydramine raise blood pressure?
Increased blood pressure is not a typical side effect of diphenhydramine, a first-generation antihistamine that lowers the effects of histamines in your body. However, in rare cases, the drug may cause hypotension, or decreased blood pressure. This side effect is most likely to occur in people who are over the age of 60. Continue reading
Can diphenhydramine be used as a sleep aid?
Diphenhydramine can be used as a short-term sleep aid to help ease occasional sleep problems, such as when you have a cold or cough and it is preventing you from falling asleep. Older adults, children under age 16 and pregnant women should avoid taking diphenhydramine, as the risks to these groups may outweigh the benefits. Continue reading
Does Benadryl help with or cause anxiety?
No, Benadryl does not treat anxiety, and in some people it can cause it. Benadryl (diphenhydramine) is an allergy medicine that often makes people sleepy, so it may feel calming for a few hours. But drowsiness is not the same as treating anxiety, and Benadryl is not FDA-approved for anxiety. Continue reading
Does Mucinex help with Covid?
Mucinex does not prevent or cure COVID‑19, but it can help some people feel better by easing symptoms like chest congestion and cough. It should be used only for symptom relief and never as a substitute for COVID‑19–specific treatments, such as antivirals prescribed by your doctor. Continue reading
Which antihistamines make you drowsy?
First-generation antihistamines, like Benadryl (diphenhydramine) and Chlor-Trimeton (chlorpheniramine), often cause sedation. This can include drowsiness, fatigue, and reduced alertness or concentration. Continue reading
Diphenhydramine Hydrochloride vs Citrate: What's the difference?
The difference between diphenhydramine hydrochloride and diphenhydramine citrate is that the salt used to bind the diphenhydramine, is different. For diphenhydramine hydrochloride the salt is hydrochloride and for diphenhydramine citrate the salt is citrate. This salt can change how quickly and effectively the diphenhydramine dissolves and is absorbed but once it is in the body it has no effect. Essentially 25 mg of diphenhydramine hydrochloride is equivalent to 38 mg of diphenhydramine citrate. Continue reading

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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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