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Trimethobenzamide Hydrochloride Solution for injection

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?

This medicine is for injection into a muscle. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.

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

  • unusually tired

  • yellowing of the eyes or skin

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

  • pain at site where injected

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 pain

  • medicines for sleep or anxiety

What if I miss a dose?

This does not apply.

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

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?

Your condition will be monitored carefully while you are receiving this medicine.

You may get drowsy, 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 can increase possible dizziness or drowsiness. Avoid alcoholic drinks.