Medications and Drugs
Brand Names: Dantrium
Generic Name: dantrolene (oral) (Pronunciation: DAN troe leen)
What is dantrolene (Dantrium)?
Dantrolene is a muscle relaxant.
Dantrolene is also used to prevent muscle stiffness and spasms caused by malignant hyperthermia (a rapid rise in body temperature) that can occur during surgery with certain types of anesthesia.
Dantrolene may also be used for other purposes not listed in this medication guide.
Dantrium 25 mg
orange/peach, imprinted with DANTRIUM 25 mg, 0149 0030
Dantrolene 100 mg-GLO
capsule, red/yellow, imprinted with G443
Dantrolene 25 mg-GLO
capsule, green/yellow, imprinted with G441
Dantrolene 50 mg-GLO
capsule, blue/yellow, imprinted with G442
What are the possible side effects of dantrolene (Dantrium)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about dantrolene (Dantrium)?
You should not take this medication if you are allergic to dantrolene, or if you have liver disease such as hepatitis or cirrhosis.
You may be more likely to develop liver problems while taking dantrolene if you are a woman, or if you are older than 35. Talk with your doctor about your individual risk.
Do not use dantrolene at a time when muscle tone is needed to assure safe balance and movement for certain activities. In some situations, it may endanger your physical safety to be in a state of reduced muscle tone.
Dantrolene can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Dantrolene can cause muscle weakness, which can affect your ability to swallow. Use caution to prevent choking while you are eating meals. Talk with your doctor if you are unable to eat because of this side effect.
Avoid drinking alcohol. It can increase some of the side effects of dantrolene.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.
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.
Need help identifying pills and medications?
Drugs and Treatment Resources
- The Benefits of Tea Tree Oil
- Teaching Your Child to Use Their Auto-Injector
- Why Are ADHD Drugs Controlled Substances?