Dantrolene (By injection)
Skeletal Muscle Relaxant, Direct Acting (About this – PubMed Health)
Uses of This Medicine
Dantrolene is used to prevent or treat a medical problem called malignant hyperthermia that may occur in some patients during or following surgery or anesthesia. Malignant hyperthermia consists of a group of symptoms including very high fever, fast and irregular heartbeat, and breathing problems. It is believed that the tendency to develop malignant hyperthermia is inherited.
This medicine is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
A nurse or other health provider will give you this medicine.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Some medicines can affect how dantrolene works. Tell your doctor if you are using any of the following:Clofibrate Tolbutamide Warfarin Medicine to lower blood pressure (such as verapamil) Tranquilizers
When Not To Use
This medicine is not right for everyone. You should not receive it if you had an allergic reaction to dantrolene.
Make sure your doctor knows if you pregnant or breastfeeding.
This medicine may make you lightheaded, drowsy, or dizzy. Do not drive or do anything else that could be dangerous if you are not alert for 48 hours after you receive this medicine.
This medicine may cause you to have trouble swallowing. To avoid choking, be careful when you eat on the day you receive this medicine.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
If you notice these less serious side effects, talk with your doctor:
Lightheadedness, dizziness, drowsiness
Pain, redness, or swelling where the shot was given
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Dantrium, Dantrium Intravenous, Novaplus Revonto, Revonto, Ryanodex
There may be other brand names for this medicine.