Unisom SleepMelts

Unisom SleepMelts is an antihistamine that helps with sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.

Unisom SleepMelts can also help with motion sickness, help you fall asleep, and treat certain symptoms of Parkinson's disease. This sleep aid is not for use in children younger than 12 years old.

There are many brands and forms of diphenhydramine available. Not all brands are mentioned in this leaflet.

Unisom SleepMelts may also be used for reasons not listed in this medication guide.

Use exactly as directed on the label or as your doctor prescribes. Unisom SleepMelts is meant for short-term use until your symptoms improve.

Taking too much Unisom SleepMelts can cause serious heart issues, seizures, coma, or death.

Always follow the instructions on the medicine label for giving Unisom SleepMelts to a child. Do not use this medicine just to make a child sleepy. Misusing antihistamines in very young children can lead to death.

For motion sickness, take Unisom SleepMelts 30 minutes before you expect to be in a situation that causes motion sickness (like a long car ride, airplane or boat travel, amusement park rides, etc.). Continue taking this medicine with meals and at bedtime for the duration of your motion-sickness situation.

As a sleep aid, take Unisom SleepMelts within 30 minutes before bedtime.

You must chew the chewable tablet before swallowing it.

Measure liquid medicine carefully. Use the dosing syringe provided, or a medicine dose-measuring device (not a kitchen spoon).

Remove an orally disintegrating tablet from the package only when you are ready to take it. Place the tablet in your mouth and let it dissolve without chewing. Swallow several times as it dissolves.

Call your doctor if the condition you are treating with Unisom SleepMelts does not improve, or if you have a fever with a headache, cough, or skin rash.

Do not use Unisom SleepMelts for more than 2 weeks for sleep problems, or longer than 7 days for cold or allergy symptoms.

Unisom SleepMelts can affect the results of allergy skin tests. Inform any doctor treating you that you are using Unisom SleepMelts.

Store at room temperature, away from moisture and heat.

Use Unisom SleepMelts exactly as directed. Taking too much Unisom SleepMelts can cause serious heart problems, seizures, coma, or death.

Do not use this medicine to make a child sleepy. Unisom SleepMelts sleep aid medicine is not for children younger than 12 years old.

You should not use Unisom SleepMelts if you are allergic to it.

Ask a doctor or pharmacist if this medicine is safe to use if you have ever had:

• an enlarged prostate or problems with urination;
• asthma, chronic obstructive pulmonary disease (COPD), or other breathing issues;
• glaucoma; or
• a thyroid condition.

Ask a doctor before using this medicine if you are pregnant or breastfeeding. Unisom SleepMelts may slow down breast milk production.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Unisom SleepMelts may cause serious side effects. Stop using Unisom SleepMelts and call your doctor immediately if you have:

• severe drowsiness; or
• painful or difficult urination.

Side effects such as dry mouth, constipation, and confusion may happen more often in older adults.

Common side effects of Unisom SleepMelts may include:

• drowsiness;
• dry eyes, blurred vision;
• dry mouth, nose, or throat;
• decreased urination;
• constipation;
• feeling restless or excited (especially in children); or
• daytime drowsiness or "hangover" feeling after night-time use.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Since Unisom SleepMelts is taken as needed, you may not follow a regular dosing schedule. If you miss a dose and it's almost time for your next dose, just skip the missed dose. Do not take two doses at the same time.

Seek emergency medical help or call the Poison Help line at 1-800-222-1222. Taking too much diphenhydramine can be deadly.

Signs of an overdose may include vomiting, confusion, severe drowsiness, ringing in your ears, not urinating, very dry eyes and mouth, enlarged pupils, rapid heartbeats, shaking, restlessness, hallucinations, or seizures.

Avoid driving or doing anything dangerous until you know how Unisom SleepMelts will affect you. Your reactions might be impaired.

Drinking alcohol can make some side effects of diphenhydramine worse.

Check with a doctor or pharmacist before using any other medicine that may have Unisom SleepMelts in it. This includes medicines for sleep, cold or allergy symptoms, or anti-itch creams for the skin. Taking too much of this medicine can lead to a deadly overdose.

Ask a doctor or pharmacist before using Unisom SleepMelts with any other medicines, especially those that can cause drowsiness (such as opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Inform your doctor about all your current medicines and any that you start or stop using. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.