GENERIC NAME: DANTROLENE - ORAL (DAN-trow-leen)
BRAND NAME(S): Dantrium
Warning | Medication Uses | Other Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage | Medical Alert
WARNING: Infrequently, dantrolene may cause serious (sometimes fatal) liver problems. The risk is greater when using larger amounts (over 800mg/day) of dantrolene. This risk also appears to be greater in women, in people over 35 years of age, and in those people using other medications at the same time. To minimize the possibility of getting liver problems from this medication, your doctor will monitor you and test for liver conditions. Promptly notify your doctor if you have signs of liver problems such as yellowing of the eyes or skin, dark urine, severe stomach or abdominal pain, or unusual fatigue. Do not take more dantrolene than prescribed. If there is no noticeable improvement in your condition after 45 days of use, your doctor must be notified and dantrolene should be stopped.
USES: Dantrolene relaxes muscles and relieves pain and discomfort associated with muscle spasms due to certain nerve disorders such as multiple sclerosis or spinal cord injuries or may be given for special cases of high fever.
OTHER USES: This medication may also be used for muscle pain due to exercise or for heat stroke due to medications which decrease sweating.
HOW TO USE: Take this drug exactly as directed by your doctor. The dosage will be adjusted for maximum benefit and minimal side effects. Follow your doctor's directions carefully. Do not increase your dose or take it more often than prescribed. Do not suddenly stop taking this drug without your doctor's approval.
SIDE EFFECTS: May cause drowsiness, dizziness, weakness, tiredness or diarrhea. If these effects persist or worsen, notify your doctor. Notify your doctor promptly if you develop any of the following signs: liver problems (e.g., yellowing of your eyes or skin). Unlikely to occur but report any of the following symptoms to your doctor: constipation, black or tarry stools, nausea, vomiting, abdominal pain, headache, seizure, heart palpitations, loss of appetite, confusion, depression, increase in urination, sensitivity to sunlight. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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