What is this medicine?
DANTROLENE (DAN troe leen) is a muscle relaxant. It is used to prevent and to treat a condition called malignant hyperthermia.
How should I use this medicine?
This medicine is for injection into a vein. It is given by a health care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
What side effects may I notice from receiving this medicine?
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
confusion, depression, nervousness
swelling of feet or legs
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
What may interact with this medicine?
female hormones, like estrogens or progestins and birth control pills
medicines for anxiety or sleep like diazepam, temazepam
medicines for heart disease like verapamil
medicines for pain
What if I miss a dose?
This does not apply.
Where should I keep my medicine?
This drug is given in a hospital or clinic and will not be stored at home.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
lung or breathing disease, like asthma
an unusual or allergic reaction to dantrolene, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
Your condition will be monitored carefully while you are receiving this medicine.
You may get drowsy or dizzy. Muscle weakness may occur. 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. Be careful walking down stairs. Use caution to reduce the risk of dizzy or fainting spells or falls. Alcohol can make you more drowsy. Avoid alcoholic drinks.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.