Dantrolene is a medication prescribed for people who have muscle spasms caused by certain neurological conditions, such as cerebral palsy or multiple sclerosis. It is also licensed to treat or prevent a potentially dangerous condition called malignant hyperthermia. The drug comes in the form of a capsule or intravenous injection that is given slowly into a vein. Dizziness, drowsiness, and weakness are some of the common side effects.
What Is Dantrolene?Dantrolene sodium (Dantrium®) is a prescription medication approved to control muscle spasms and stiffness (spasticity) associated with certain medical conditions, such as spinal cord injury, stroke, cerebral palsy, or multiple sclerosis. It is also approved to prevent or treat a rare condition known as malignant hyperthermia, which is a severe reaction to general anesthesia that causes high fever and muscle rigidity.
(Click What Is Dantrolene Used For? for more information on this topic, including possible off-label uses.)
Are There Side Effects?Just like any medicine, dantrolene can cause side effects. However, not everyone who uses the drug will experience problems. Most people tolerate it well.
If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious reactions are less common.
Some of the more common side effects seen with dantrolene include but are not limited to:
- General feelings of discomfort.
(Click Dantrolene Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)