Generic Name and Formulations:
Dantrolene sodium 25mg, 50mg, 100mg; caps.
Chronic spasticity due to upper motor neuron disorders (eg, spinal cord injury, stroke, cerebral palsy, multiple sclerosis).
Use lowest effective dose. 25mg once daily for 7 days, then 25mg 3 times daily for 7 days, then 50mg 3 times daily for 7 days, then 100mg 3 times daily; max 100mg 4 times daily.
<5yrs: not established. ≥5yrs: Use lowest effective dose. 0.5mg/kg once daily for 7 days, then 0.5mg/kg 3 times daily for 7 days, then 1mg/kg 3 times daily for 7 days, then 2mg/kg 3 times daily; max 100mg 4 times daily.
Active hepatic disease. Spasticity utilization to sustain upright posture/balance in locomotion or to obtain increased function.
Risk of hepatotoxicity (esp. females or patients >35 years, or concomitant other drugs); monitor liver function at baseline and during therapy; discontinue if hepatitis or liver abnormalities develop. History of liver disease. Pulmonary dysfunction. Severely impaired cardiac function. Discontinue if no improvement after 45 days of treatment. Avoid exposure to sunlight. Elderly. Pregnancy (Cat.C). Nursing mothers: not recommended.
Estrogens may increase risk of hepatotoxicity. Potentiates CNS depressants (eg, sedatives, tranquilizers). Avoid concurrent verapamil (cardiovascular collapse). May potentiate vecuronium.
Muscle relaxant (local).
Drowsiness, dizziness, weakness, fatigue, diarrhea, urinary changes, tachycardia, seizures, depression; hepatotoxicity, hepatitis, photosensitivity, pleural effusion with associated eosinophilia.
Join MIMS Learning now to manage all your CPD and notes in one place!
Already a MIMS Learning member?Sign In Now »
Fever in adults can have potentially serious causes, ranging from sepsis to malignancy. Dr Pipin Singh...
In this article Dr Pipin Singh advises on how to identify red flags in patients presenting with bone...
Dr Matthew West covers the red flags to look out for in pregnancy, including back pain, bleeding, headaches...
This article, updated in 2016 by Dr Anthony De Soyza, advises on causes, investigations and managing...
Dr Keith Barnard discusses the aetiology and symptoms of Brugada syndrome. Key learning points for GPs...
Dr Kirsty Le Doare and Dr Nuria Martinez-Alier describe the signs and symptoms of measles and outline...