Triptone

Dimenhydrinate is an antihistamine that reduces the effects of natural chemical histamine in the body.

Dimenhydrinate is used to treat or prevent nausea, vomiting, and dizziness associated with motion sickness.

Dimenhydrinate may also be used for purposes not listed in this medication guide.

You should not use dimenhydrinate if you are allergic to it.

Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, especially:

• liver or kidney disease;

• enlarged prostate and urination problems;

• heart disease, high pressure;

• a history of seizures;

• blockage in your digestive tract (stomach or intestines);

• overactive thyroid;

• glaucoma; or

• asthma, bronchitis, emphysema, or other breathing disorder.

Do not give this medicine to a child younger than 2 years old. Always ask a doctor before giving an antihistamine to a child. Death can occur from the misuse of antihistamines in very young children.

It is not known whether dimenhydrinate will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.

It is not known whether dimenhydrinate passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.

Avoid using a topical (for the skin) medicine that contains an antihistamine called diphenhydramine (commonly known as Benadryl).

This medicine may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Drinking alcohol with this medicine can cause side effects.

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

Stop using dimenhydrinate and call your doctor at once if you have:

• little or no urination;

• confusion, mood changes;

• tremors, restlessness;

• a seizure (convulsions); or

• fast or irregular heartbeats.

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

Common side effects may include:

• drowsiness;

• dry mouth, nose, or throat;

• constipation;

• blurred vision; or

• feeling restless or excited (especially in children).

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.

Applies to dimenhydrinate: oral solution, oral tablets, parenteral injection

Side effects include:

Drowsiness, headache, blurred vision, tinnitus, dryness of the mouth and respiratory passages, incoordination, palpitation, dizziness, hypotension.

Paradoxical CNS stimulation in pediatric patients and occasionally in adults.

With IM injection: Pain at the injection site.

Because dimenhydrinate (the active ingredient contained in Triptone) contains diphenhydramine, the possibility of other diphenhydramine-related adverse effects should also be considered.