The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Confusion (disorientation)
- Headache
- Drowsiness
- Dizziness
- Blurred vision
- Muscle cramps
- Diarrhea
- Rash
- Tremors
Trimethobenzamide serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Movement problems: muscle spasms, tremor, restlessness, trouble swallowing or speaking
- Changes in your brain function: coma, depression, seizures
- Liver damage: yellowing of your skin or whites of your eyes, belly pain, dark-colored urine
Source: DailyMed
The following Trimethobenzamide side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Incidence not known
Abdominal or stomach pain
change in consciousness
chills
clay-colored stools
confusion about identity, place, and time
dark urine
difficulty swallowing
discouragement
dizziness
feeling sad or empty
headache
irritability
lack of appetite
loss of balance control
loss of consciousness
loss of interest or pleasure
mask-like face
pale skin
rash
seizures
severe spasm where the head and heels are bent backward and the body arched forward
shuffling walk
slowed movements of the arms and legs
slurred speech
swelling of the arms, face, legs, lips, tongue, or throat
tic-like (jerky) movements of the head, face, mouth, and neck
trembling and shaking of the fingers and hands
trouble concentrating
trouble sleeping
unpleasant breath odor
unusual bruising or bleeding
unusual tiredness or weakness
vomiting of blood
yellow eyes or skin
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Why trust our experts?

