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Trimethobenzamide Hydrochloride Oral capsule

What is this medicine?

TRIMETHOBENZAMIDE (trye meth oh BEN za mide) helps to control nausea and vomiting after surgery. This medicine is also used to control nausea caused by stomach problems.

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • breathing problems

  • shakiness or tremors

  • seizures

  • severe or continuing vomiting

  • sore throat or fever

  • swelling of the hands and feet

  • tightness in the chest

  • yellowing of the eyes or skin

  • unusually tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea

  • headache

  • muscle cramps

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine

This medicine may also interact with the following medications:

  • alcohol

  • atropine, belladonna alkaloids, hyoscyamine, scopolamine

  • barbiturates, like phenobarbital

  • medicines for sleep or anxiety

  • medicines for pain

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • an unusual or allergic reaction to trimethobenzamide, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

If your condition gets worse after taking this medicine, contact your health care professional immediately.

You may get drowsy or dizzy or have blurred vision. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may increase side effects of this medicine. Avoid alcoholic drinks.