Trimethobenzamide affects the areas of the brain that stimulate nausea and vomiting.

Trimethobenzamide is used to treat nausea and vomiting.

Trimethobenzamide may also be used for purposes other than those listed in this medication guide.

Seek emergency medical attention if you think you have used too much of this medicine. Symptoms of a trimethobenzamide overdose may include drowsiness, uncontrollable movements, muscle spasms, blurred vision, seizures or convulsions, difficulty breathing, and death.

Trimethobenzamide may increase the side effects of other drugs that make you sleepy (such as alcohol, cold medicine, pain medication, muscle relaxants, and medicine for seizures, depression or anxiety). Before using trimethobenzamide, tell your doctor if you are using any of these medicines.

Trimethobenzamide can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid drinking alcohol while you are using trimethobenzamide. Alcohol may increase drowsiness and dizziness.

Before taking this medication, tell your doctor if you have:

• kidney or liver disease;

• an enlarged prostate;

• difficulty urinating or other bladder problems;

• glaucoma;

• asthma; or

• heart disease or a heart rhythm disorder.

If you have any of these conditions, you may not be able to use trimethobenzamide, or you may need a dosage adjustment or special tests during treatment.

It is not known whether trimethobenzamide will be harmful to an unborn baby. Do not take trimethobenzamide without telling your doctor if you are pregnant or could become pregnant during treatment.

It is not known whether trimethobenzamide passes into breast milk. Do not take trimethobenzamide without telling your doctor if you are breast-feeding a baby.

Do not give this medicine to a child, especially if the child has a fever or has recently had chicken pox.