Medically reviewed on March 28, 2017.
Applies to the following strengths: 100 mg; 30 mg/mL
Usual Adult Dose for:
Additional dosage information:
Usual Adult Dose for Muscle Spasm
Acute musculoskeletal conditions:
100 mg orally twice a day (morning and evening).
60 mg by intramuscular or intravenous injection. May repeat every 12 hours.
Quinine-resistant leg cramps:
100 mg orally at bedtime.
Renal Dose Adjustments
No specific dose adjustment guidelines have been suggested; however, caution is recommended in patients with renal dysfunction.
Liver Dose Adjustments
No specific dose adjustment guidelines have been suggested; however, caution is recommended in patients with liver dysfunction.
Safety and effectiveness have not been established in pediatric patients (less than 18 years of age).
Data not available
More about orphenadrine
- Orphenadrine Side Effects
- During Pregnancy
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 43 Reviews
- Drug class: skeletal muscle relaxants
- Orphenadrine Extended-Release Tablets
- Orphenadrine Injection
- Orphenadrine (Advanced Reading)
- Orphenadrine Injection (Advanced Reading)