The average cost for 90 capsules of 25mg of Dantrolene is $25.94 with a free GoodRx coupon. This is 70.51% off the average retail price of $87.96.
Dosage | Quantity | Price as low as | Price per unit |
|---|---|---|---|
25mg | 90 capsules | $25.94 | $0.29 |
100mg | 90 capsules | $45.87 | $0.51 |
50mg | 90 capsules | $36.35 | $0.40 |
Typical dosage for Dantrolene
Chronic spasticity
- Adults: The typical starting dose is 25 mg by mouth once a day. If needed, your provider might raise your dose every week. The typical maintenance dose ranges from 25 mg to 100 mg three times a day. The maximum dose is 100 mg four times a day.
- Children (ages 5 years and older): Your child's provider will determine the dose based on your child's body weight. The typical starting dose is 0.5 mg/kg by mouth once a day. If needed, your provider might raise your dose every week. The typical maintenance dose ranges from 0.5 mg/kg to 2 mg/kg (up to 100 mg) three times a day.
Malignant hyperthermia
- Your provider will determine your dose based on your body weight. The typical dose ranges from 4 mg/kg to 8 mg/kg daily, taken by mouth in 3 to 4 divided doses. You'll usually start this medication 1 to 2 days before surgery. And if you experience a malignant hyperthermia episode, your provider will ask you to continue this medication for 1 to 3 days after surgery to prevent future episodes from happening.
Dantrolene is also available as an injection (IV) (Revonto, Ryanodex) for the prevention or treatment of malignant hyperthermia in people in the hospital.



