Published by Actually Sleeping · Reviewed by Dr. Samantha Abrahamson, PharmD · Review policy · Updated 2026-11-10

Which over-the-counter medicines affect a baby’s sleep?

Fever and pain relievers can help a sick baby rest but do not cause sleep; antihistamines and cough-and-cold products should not be used for sleep in young children at all; gas drops and gripe water are not sleep aids. No over-the-counter product is a substitute for a sleep plan, and every one of them is a pediatrician decision in a baby.

A note on scope: Dr. Sam is a Doctor of Pharmacy and a licensed pharmacist, not your baby’s physician. This guide explains how a medication relates to sleep. Whether and how your child takes any medication is a decision for your pediatrician.

The medicine aisle, product by product

Product	What it does	Effect on sleep	Cautions
Acetaminophen	Pain and fever	Indirect: a comfortable baby rests. Not sedating.	Weight-based dosing; watch for duplicate acetaminophen in combination products.
Ibuprofen	Pain, fever, inflammation	Indirect, same as above.	Not under 6 months unless your child’s doctor says so (AAP).
Diphenhydramine (Benadryl)	Antihistamine	Sedating in adults; can cause excitement in children. Too much is dangerous.	The drug label says it should not be used to make a child sleepy. CDC guidance says antihistamines are contraindicated under age 1.
Cough and cold products	Decongestants, cough suppressants	No sleep benefit; decongestants can cause wakefulness.	FDA: not recommended under 2; labels say do not use under 4.
Simethicone (gas drops)	Breaks up gas bubbles	Not a sleep aid.	Ask your pediatrician whether it is worth using.
Gripe water	Herbal or sugar mixture; ingredients vary	No good evidence it helps.	Often sold as a supplement; a contaminated product prompted an FDA warning in 2007.
Saline drops and suction	Clears the nose	Real help for a congested baby who cannot feed or breathe well lying down.	Use before feeds and sleep; do not overdo suction.

More detail is in Benadryl and baby sleep and gripe water and baby sleep.

The pattern behind the aisle

Everything that helps does so by removing discomfort so the baby’s own sleep can happen. Nothing in the aisle teaches a baby to fall asleep or stay asleep. If your baby sleeps badly when well, the cause is in the routine, the schedule and the way your baby falls asleep, not in the pharmacy.

That is where Actually Sleeping comes in. Because the practice is led by a pharmacist, families can bring their medicine questions along with their sleep questions, and anything that needs a medical answer goes to the pediatrician. The sleep problem gets a plan written for that baby by Dr. Sam.

When to call the pediatrician instead

Fever in a baby under 3 months; trouble breathing; refusing feeds; fewer wet diapers; a baby who is hard to wake; any question about dose. Those are not sleep questions.

The sleep problem is the fixable part

Parents who search the medicine aisle at midnight are usually exhausted, and fairly sure something is wrong. Most of the time, for a healthy baby, what is wrong is a sleep pattern, and sleep patterns can be changed. Actually Sleeping builds that change around your baby’s age, feeds, temperament and how they fall asleep now. You get bootcamp-style coaching before the first night, daily 1:1 check-ins and naps coached until they are solid, backed by a written guarantee: We guarantee that your baby will sleep 8–12 hours through the night within 14 days of consistent, correct implementation of your sleep plan. If it does not happen, you get a full refund. Parents describe how it went in the video reviews.

Book the free consultation to go over your baby’s sleep, and any medicine questions, before you buy another bottle.

Want this fixed for your baby?

Actually Sleeping is 1:1 coaching: a sleep plan written for your baby by Dr. Sam, bootcamp-style coaching before the first night, and daily check-ins until it is working. 700+ families coached, 129 video reviews, and a written guarantee: 8–12 hours through the night within 14 days, or a full refund.

Book your free consultation → See what families say

Frequently asked

Can Benadryl help my baby sleep on a flight?

No. The drug label says diphenhydramine should not be used to make a child sleepy, it can cause excitement instead, and CDC travel guidance says antihistamines are contraindicated under age 1. Ask your pediatrician about any travel medicine.

Do gas drops help a baby sleep?

Gas drops are not a sleep aid. Ask your pediatrician whether they are worth using for your baby. If your baby sleeps badly when comfortable, the cause is usually how they fall asleep, which is what a sleep plan from Actually Sleeping changes.

Is it okay to give medicine ‘just in case’ before bed?

No. Give a medicine for a reason, at the dose and interval your pediatrician or the label specifies. Medicine given to prevent a bad night does not change the pattern behind the bad nights.