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What is Dantrium?

Dantrium is a prescription medication that is used to treat muscle spasticity caused by a variety of conditions including stroke, multiple sclerosis (MS), spinal cord injuries or cerebral palsy. Dantrolene contains the muscle-relaxer drug dantrolene.

Make sure to always read the patient information and instructions before using this medication. Always follow your doctor’s directions.

  • Take this medication orally.
  • Dantrium is most effective when taken regularly.
  • You may need regular blood tests while taking this medication.
  • Speak to your doctor if your condition worsens.


Tell your doctor and pharmacist:

  • About your drug and other allergies.
  • If you take any other prescription or over-the-counter medications.
  • Your medical history particularly of liver disease, heart disease, heart attack, chronic obstructive pulmonary disease (COPD).
  • If you have active liver disease.
  • If you are pregnant or planning pregnancy.

You should also know:

  • This medication should not be taken by anyone younger than 5.
  • Do not breast-feed while taking this medication.
  • Women, people over 35, and patients that take other medications are more likely to develop liver problems.
  • This medication may affect reactions. Do not drive or operate machinery until you can do it safely.
  • Dantrolene may make it easier to sunburn. Avoid tanning beds and wear sunscreen and protective clothing when outdoors.

Side Effects of Dantrium

Common side effects of Dantrium include but are not limited to:

  • Tiredness, drowsiness or weakness.
  • Diarrhea.
  • Dizziness.

Get medical help if you have any of the following side effects of dantrolene:

  • Weak or shallow breathing.
  • Speech or vision problems.
  • Severe or persistent vomiting or diarrhea.
  • Seizures.
  • Difficult or painful urination.
  • Feeling lightheaded or like you might pass out.
  • Severe drowsiness or muscle weakness.
  • Signs of a liver problem including dark urine, clay-colored stools, jaundice, nausea, itching, tiredness, loss of appetite, or stomach pain. These symptoms may occur between 3-12 months after beginning treatment.
  • Symptoms of an allergic reaction such as difficulty breathing, hives, or swelling in your face, lips, or throat.


What should I do if I miss a dose of Dantrium?

If you miss a dose of Dantrium, you should take it as soon as you remember. However, if it is almost time for your next dose, then skip your missed dose.

What is the strength of Dantrium?

Dantrium is available in a strength of 25mg and 100mg.

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A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

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