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|Dantrolene Capsules

Dantrolene Capsules

Dantrolene Capsules is used for:

Treating spasms (spasticity) caused by nerve disorders, such as stroke, cerebral palsy, spinal cord injury, or multiple sclerosis. It may be used prevent or reduce the risk of severe high body temperature (malignant hyperthermia) in certain patients before surgery or anesthesia. It may be used after an episode of severe high body temperature to prevent future episodes. It may also be used for other conditions as determined by your doctor.

Dantrolene Capsules is a muscle relaxant. It works by interfering with the release of certain substances that are needed by the muscles for contraction, or by restoring a healthy level of calcium in the muscles, which helps to prevent or reduce severe high body temperature.

Do NOT use Dantrolene Capsules if:

• you are allergic to any ingredient in Dantrolene Capsules
• you have active liver disease
• your spasticity is needed to maintain an upright posture or balance while walking, or to obtain or maintain increased function

Contact your doctor or health care provider right away if any of these apply to you.

Before using Dantrolene Capsules:

Some medical conditions may interact with Dantrolene Capsules. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have heart problems, lung problems (eg, obstructive pulmonary disease), or a history of liver problems
• if you are older than 35 years of age

Some MEDICINES MAY INTERACT with Dantrolene Capsules. Tell your health care provider if you are taking any other medicines, especially any of the following:

• Estrogen because the risk of liver problems may be increased

This may not be a complete list of all interactions that may occur. Ask your health care provider if Dantrolene Capsules may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Dantrolene Capsules:

Use Dantrolene Capsules as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Take Dantrolene Capsules with or without food.
• If you miss a dose of Dantrolene Capsules, take it as soon as possible. If it almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Dantrolene Capsules.

Important safety information:

• Dantrolene Capsules may cause dizziness, drowsiness, or changes in vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Dantrolene Capsules. Using Dantrolene Capsules alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
• Avoid drinking alcohol or taking other medications that cause drowsiness (eg, sedatives, tranquilizers) while taking Dantrolene Capsules. Dantrolene Capsules will add to the effects of alcohol and other depressants. Ask your pharmacist if you have questions about which medicines are depressants.
• Dantrolene Capsules may cause increased sensitivity to the sun. Avoid exposure to the sun, sunlamps, or tanning booths until you know how you react to Dantrolene Capsules. Use a sunscreen or protective clothing if you must be outside for a prolonged period.
• LAB TESTS, such as liver function tests, may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
• Use Dantrolene Capsules with extreme caution in CHILDREN younger than 5 years of age. Safety and effectiveness in this age group have not been confirmed.
• PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the benefits and risks of using Dantrolene Capsules during pregnancy. Dantrolene Capsules is excreted in breast milk. Do not breast-feed while taking Dantrolene Capsules.

Possible side effects of Dantrolene Capsules:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Diarrhea; dizziness; drowsiness; general body discomfort; nausea; sensitivity to sunlight; unusual tiredness; vision changes; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blood in the urine; bloody or black, tarry stools; chest pain; coffee ground-like vomit; confusion; dark urine; depression; difficulty urinating; fast heartbeat; fever or chills; seizures; severe or persistent diarrhea; severe stomach or abdominal pain; shortness of breath; unusual tiredness; vomiting; yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately.

Store at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from light, heat, and moisture. Do not store in the bathroom. Keep Dantrolene Capsules out of the reach of children and away from pets.

General information:

• If you have any questions about Dantrolene Capsules, please talk with your doctor, pharmacist, or other health care provider.
• Dantrolene Capsules is to be used only by the patient for whom it is prescribed. Do not share it with other people.
• If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Dantrolene Capsules. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.