Antihistamines can cause drowsiness and are sometimes used a sleep aids. Unisom is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms. Unisom is also used as a short-term treatment for sleep problems (insomnia).

Unisom® SleepTabs® contain doxylamine succinate, a non-habit-forming antihistamine that makes you sleepy by blocking the effects of histamine in the body, which helps you fall asleep fast and sleep through the night. SleepTabs® are FDA approved, clinically tested, and proven effective.

Doxylamine (Unisom SleepTabs) is taken by mouth once a day, about 30 minutes before bedtime. The most common side effect of this medication is next-day sleepiness.

The sedative action of Unisom® may last up to 6 hours. Can I take Unisom® regularly? Unisom®, non-prescription sleeping pills, should only be used to relieve occasional sleeplessness. If your sleeplessness lasts for more than two weeks, talk to your doctor.

Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Adults and children 12 years of age and over: Take 1 tablet at bedtime if needed, or as directed by a doctor.

Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Can I Take Unisom Products Every Night? Our medicinal sleep-aids and drug-free supplement are non-habit-forming and safe when used as directed. All Unisom products are designed to be taken only as directed for relief of occasional sleeplessness.

Side effects that you should report to your care team as soon as possible: Allergic reactions - skin rash, itching, hives, swelling of the face, lips, tongue, or throat. Sudden eye pain or change in vision such as blurry vision, seeing halos around lights, vision loss. Trouble passing urine.

Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Can I Take Unisom Products Every Night? Our medicinal sleep-aids and drug-free supplement are non-habit-forming and safe when used as directed. All Unisom products are designed to be taken only as directed for relief of occasional sleeplessness.

Nonprescription medications Other over-the-counter sleep medications, such as Unisom SleepTabs, contain 25 mg per pill of an antihistamine called doxylamine succinate. These medications work by blocking certain brain chemicals, which can have a sedating effect. They are generally safe but come with some risks.

Talked to my doctor and told him I was using Unisom gel caps. He said they are as good as any Rx med and non-habit forming. It does take about 45 mins until I'm sleepy, so I take it at least a 1/2 hr or so before bedtime. No fogginess in the morning and stay asleep.

Unisom Simple Slumbers® is 100% drug free. It contains a proprietary sleep blend of 5 mg melatonin, passionflower, lemon balm, and vitamin B6 for a good night's sleep. Melatonin provides a triple effect by allowing you to fall asleep fast, sleep soundly, and wake refreshed.

Unisom Sleep Gels is only for short-term use until your symptoms clear up. Taking too much Unisom Sleep Gels can lead to serious heart problems, seizures, coma, or death.

Melatonin is likely the safest OTC sleep aid. Excess melatonin is quickly cleared from the body and does not accumulate. Side effects are rare but may include headache, nausea, and vivid dreams.