You should talk to your healthcare provider about any additional risk factors and concerns before using Unisom.

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What Is Unisom?

Unisom belongs to a class of drugs calledantihistamines, which are primarily used to treat allergy symptoms.

Woman in bed with insomnia

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There are different Unisom products available, which vary by their active ingredients.

Doxylamine can also be combined with vitamin B6 (pyridoxine) to treat morning sickness.

The combined medications are especially helpful if you experience persistent nausea and vomiting during pregnancy, known ashyperemesis gravidarum.

You may also take a 20-mg dose of a vitamin B6 supplement with Unisom SleepTabs.

Alternatives to Unisom

One antihistamine medication is approved specifically for pregnancy-related nausea.

The Food and Drug Administration (FDA) has approvedDiclegisfor morning sickness treatment.This medication is available by prescription.

It combines both doxylamine succinate and pyridoxine hydrochloride in one.

There are also a few that are particularly useful while expecting.

You may have hyperemesis gravidarum.

Summary

Unisom is an over-the-counter medication used to treat short-term insomnia.

Some people use Unisom during pregnancy to help them fall or stay asleep.

It may also be used in combination with vitamin B6 to treat morning sickness.

It is generally safe to take the recommended adult dosage of Unisom during pregnancy.

According to the FDA, the risk of birth defects and other pregnancy complications is low.

There are other ways to manage morning sickness, though, if you want to avoid medication.

American College of Obstetricians and Gynecologists.Morning sickness: nausea and vomiting during pregnancy.

Duchesnay USA, Inc.Diclegis - doxylamine succinate and pyridoxine hydrochloride tablet, delayed release.

National Institutes of Health.Vitamin B6: fact sheet for health professionals.

2022;152:125-126. doi:10.1016/j.jclinepi.2022.10.007

Unisom.Frequently asked questions.

National Institute of Neurological Disorders and Stroke.Restless legs syndrome.