Talk to your doctor about whether you should continue breast-feeding. Children: Diphenhydramine is not recommended for use as a sleep aid for children less than 12 years of age.
Seniors: Seniors may experience more side effects with this medication. Talk to your doctor before taking this medication. If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:.
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed. Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter non-prescription , and herbal medications that you are taking.
Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material copyright MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Source: www. About this Medication. How does this medication work? What will it do for me? Acne Doctor Discussion Guide. Acne: Fact vs Myth Quiz. Acne Treatment Options Table.
Eczema : Prescription Medication Options Table. A: ZzzQuil should only be taken once a day before bedtime, as needed for occasional sleeplessness. Stop use and ask a doctor if sleeplessness persists continuously for more than two weeks. Insomnia may be a symptom of a serious underlying medical illness.
Children under 12 years of age should not take ZzzQuil. A: There are many factors that could influence how long ZzzQuil lasts. A: ZzzQuil should only be used for occasional sleeplessness. A: There are many factors that could influence how rested you feel in the morning. These could include the number of hours you sleep, the time that you take ZzzQuil, and other individual factors. In general, it is best to take ZzzQuil at bedtime. A: The active ingredient in ZzzQuil is diphenhydramine HCl, an antihistamine that is a nighttime sleep-aid.
Do not take ZzzQuil if you are taking any other product containing diphenhydramine and antihistamine, even one used on skin. If you are presently taking a prescription drug or other medication, do not take this product without first consulting a physician or pharmacist.
ZzzQuil is different from these products because it does not contain any pain reliever. ZzzQuil: Not for pain. Not for colds. Just for sleep. ZzzQuil LiquiCaps do not contain alcohol. Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people.
The most common side effects of diphenhydramine include :. Rarely, more serious side effects can occur, including :. The intended use of ZzzQuil is for occasional sleeplessness.
The manufacturer recommends that people consult a doctor if they experience sleeping difficulties continuously for more than 2 weeks, as this may be a symptom of a more serious medical condition. It is also important to avoid drinking alcohol when taking ZzzQuil as this can increase drowsiness. Older adults should use ZzzQuil with caution as side effects such as drowsiness, dizziness, and low blood pressure can increase the risk of falling.
Taking ZzzQuil may worsen certain medical conditions, including :. People who experience urinary difficulties while taking ZzzQuil should stop taking the medication and speak to a doctor. Not everyone can take ZzzQuil. People should not give ZzzQuil to children under the age of 12 years. The active ingredient of ZzzQuil can pass into breastmilk, so people who are breastfeeding should consult a doctor before taking it.
Pregnant women should also seek medical advice before using this medication. People taking monoamine oxidase inhibitors MAOIs , which are a type of antidepressant , should avoid taking ZzzQuil or speak to a doctor first.
MAOIs can worsen some of the side effects of antihistamines. Although ZzzQuil contains diphenhydramine, which can help relieve allergy symptoms, it can still cause allergic reactions in some people. Anyone who has previously had an allergic reaction to ZzzQuil or medicines containing diphenhydramine should avoid taking it.
According to a review , diphenhydramine is among the list of medications misused by people presenting to the emergency department for drug treatment. Antihistamines are widely available OTC medications. The drowsing effect of antihistamines can help relieve sleeplessness and anxiety. Taking too much diphenhydramine can cause a calming effect and mild euphoria. Some people misuse diphenhydramine for its hallucinogenic effects, which may occur at doses of — mg.
Diphenhydramine is not additive at the recommended dosage. However, taking very large doses of diphenhydramine, such as over 1, mg per day , for a prolonged period can lead to dependence. People who become dependent on diphenhydramine can experience withdrawal symptoms when they stop taking it.
These may include :. Doctors usually recommend a gradual dosage reduction schedule for people who become dependent on diphenhydramine. Case reports of adolescents and adults with diphenhydramine dependence highlight how important it is for doctors to ask about OTC medication use, particularly in people with previous or current addictions and psychotic illnesses.
ZzzQuil is a safe and effective medication that can help relieve occasional sleeplessness.
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