Zanaflex Medication Summary
No separate FDA Medication Guide was found for this label. This summary is based on FDA/DailyMed prescribing information.
What is this medication?
Zanaflex is described in FDA/DailyMed prescribing information. No separate FDA Medication Guide was found for this label. This summary is based on FDA/DailyMed prescribing information.
What is this medication used for?
Zanaflex is indicated for the management of spasticity. Because of the short duration of therapeutic effect, treatment with Zanaflex should be reserved for those daily activities and times when relief of spasticity is most important [see Dosage and Administration ( 2.1)] .
What should I know before taking it?
Zanaflex is contraindicated in patients taking potent inhibitors of CYP1A2, such as fluvoxamine or ciprofloxacin [see Drug Interactions ( 7.1, 7.2)] .
What important warnings are listed?
5 WARNINGS AND PRECAUTIONS Hypotension: monitor for signs and symptoms of hypotension, in particular in patients receiving concurrent antihypertensives; Zanaflex should not be used with other α 2 -adrenergic agonists ( 5.1 , 7.7 ) Risk of liver injury: monitor ALTs; discontinue Zanaflex if liver injury occurs ( 5.2 ) Sedation: Zanaflex may interfere with everyday activities; sedative effects of Zanaflex, alcohol, and other CNS depressants are additive ( 5.3 , 7.5 , 7.6 ) Hallucinations: consider discontinuation of Zanaflex ( 5.4 ) Less potent inhibitors of CYP1A2: may cause hypotension, bradycardia, or excessive drowsiness, use caution if Zanaflex is used with less potent inhibitors of.
How is this medication usually taken?
Capsules 2 mg: Light blue opaque body with a light blue opaque cap with “2 MG” printed on the cap 4 mg: White opaque body with a blue opaque cap with “4 MG” printed on the cap 6 mg: Blue opaque body with a white stripe and blue opaque cap with “6 MG” printed on the cap Tablets 4 mg white, uncoated tablets with a quadrisecting score on one side and debossed with “A594” on the other side
What side effects are listed?
The following adverse reactions are described elsewhere in other sections of the prescribing information: Hypotension [see Warnings and Precautions ( 5.1)] Liver Injury [see Warnings and Precautions ( 5.2)] Sedation [see Warnings and Precautions ( 5.3)] Hallucinosis/Psychotic-Like Symptoms [see Warnings and Precautions ( 5.4)] Hypersensitivity Reactions [see Warnings and Precautions ( 5.6)]
What interactions are listed?
7 DRUG INTERACTIONS 7.1 Fluvoxamine Concomitant use of fluvoxamine and Zanaflex is contraindicated. Changes in pharmacokinetics of tizanidine when administered with fluvoxamine resulted in significantly decreased blood pressure, increased drowsiness, and increased psychomotor impairment [see Contraindications ( 4 ) and Clinical Pharmacology ( 12.3 )] . 7.2 Ciprofloxacin Concomitant use of ciprofloxacin and Zanaflex is contraindicated. Changes in pharmacokinetics of tizanidine when administered with ciprofloxacin resulted in significantly decreased blood pressure, increased drowsiness, and increased psychomotor impairment [see Contraindications ( 4 ) and Clinical Pharmacology ( 12.3 )] . 7.3.
Where can I find the official prescribing information?
Review the full prescribing information on DailyMed: https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=043d9e51-bfa2-4add-9058-5ece332f7e99
⚠️ Disclaimer
This summary is for educational purposes only and is not medical advice. Always consult your doctor, pharmacist, or other licensed healthcare professional before starting, stopping, or changing any medicine. Read full medical disclaimer.