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DANTROLENE (DAN troe leen) helps to relieve spasms and stiffness of muscles in conditions such as multiple sclerosis, cerebral palsy, stroke, or injury to the spine. This medicine can also help prevent and treat a condition called malignant hyperthermia, which may occur after surgery or anesthesia.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
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
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
female hormones, like estrogens or progestins and birth control pills
medicines for angina or high blood pressure
medicines for anxiety or sleeping problems, such as diazepam or temazepam
medicines for pain
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Visit your doctor or health care professional for regular checks on your progress.
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.
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
black, or tarry stools
confusion, depression, nervousness
stomach pain, nausea, vomiting
swelling of feet or legs
yellowing of eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
loss of appetite
weak or tired
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature below 40 degrees C (104 degrees F). Throw away any unused medicine after the expiration date.
DANTROLENE (DAN troe leen) is a muscle relaxant. It is used to prevent and to treat a condition called malignant hyperthermia.
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.
This does not apply.
medicines for anxiety or sleep like diazepam, temazepam
medicines for heart disease like verapamil
Your condition will be monitored carefully while you are receiving this medicine.
muscle weakness for up to 48 hours after treatment
unusually weak or tired
This drug is given in a hospital or clinic and will not be stored at home.