Nytol QuickCaps

Nytol QuickCaps is an antihistamine used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other symptoms from colds or allergies.

Nytol QuickCaps is also used to treat motion sickness, help with sleep, and manage certain symptoms of Parkinson's disease. This sleep aid is not for children younger than 12 years old.

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

Nytol QuickCaps may also be used for purposes that are not listed in this medication guide.

Use exactly as directed on the label, or as prescribed by your doctor. Nytol QuickCaps is only for short-term use until your symptoms improve.

Taking too much Nytol QuickCaps can lead to serious heart problems, seizures, coma, or death.

Always follow the instructions on the medicine label when giving Nytol QuickCaps to a child. Do not use the medicine just to make a child sleepy. Death can occur from the misuse of antihistamines in very young children.

For motion sickness, take Nytol QuickCaps 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 the motion-sickness situation.

As a sleep aid, take Nytol QuickCaps 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 the medicine. Place the tablet in your mouth and let it dissolve, without chewing. Swallow several times as the tablet dissolves.

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

Do not use Nytol QuickCaps for longer than 2 weeks for sleep problems, or longer than 7 days for cold or allergy symptoms.

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

Store at room temperature away from moisture and heat.

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

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

You should not use Nytol QuickCaps 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 urinating;
• asthma, chronic obstructive pulmonary disease (COPD), or another breathing issue;
• glaucoma; or
• a thyroid condition.

Ask a doctor before using this medicine if you are pregnant or breastfeeding. Nytol QuickCaps 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.

Nytol QuickCaps may cause serious side effects. Stop using Nytol QuickCaps and call your doctor right away if you have:

• severe drowsiness; or
• painful or difficult urination.

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

Common side effects of Nytol QuickCaps 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 a "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 Nytol QuickCaps is taken as needed, you might not have a regular dosing schedule. If you miss a dose and it's almost time for your next dose, 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.

Symptoms of an overdose may include vomiting, confusion, severe drowsiness, ringing in your ears, no urination, very dry eyes and mouth, dilated pupils, fast heartbeats, tremors, agitation, hallucinations, or seizures.

Do not drive or engage in dangerous activities until you know how Nytol QuickCaps will affect you. Your reactions could be affected.

Drinking alcohol can make some side effects of diphenhydramine worse.

Talk to a doctor or pharmacist before using any other medicine that may have Nytol QuickCaps in it. This includes medicines for sleep, cold/allergy symptoms, or anti-itch creams. Taking too much of this medicine could lead to a fatal overdose.

Ask a doctor or pharmacist before using Nytol QuickCaps 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 the medicines you are currently taking and any medicine you begin or stop using. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.