Highlights for chlorzoxazone
chlorzoxazone Side Effects
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
- darkened brown urine
- difficulty breathing
- nausea or vomiting
- severe stomach pain
- unusually weak or tired
- yellowing of the skin or the whites of the eyes
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- loss of appetite
- orange or purple-red color of the urine
chlorzoxazone May Interact with Other Medications
- alcohol or medicines that contain alcohol
- barbiturates like phenobarbital
- medicines for pain
- muscle relaxants
- phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
How to Use chlorzoxazone
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. If this medicine upsets your stomach, take it with food or milk. Take your medicine 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.
They need to know if you have any of these conditions:
- drink more than 3 alcohol containing drinks per day
- liver disease
- an unusual or allergic reaction to chlorzoxazone, other medicines, lactose, foods, dyes, or preservatives
- pregnant or trying to get pregnant
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only the next dose. Do not take double or extra doses.
Check with your doctor or health care professional if your condition does not improve.
You may get drowsy or dizzy. 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 interfere with the effect of this medicine. Avoid alcoholic drinks.
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.
Last Updated: March 30, 2009