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Indications

REMS

Contraind./Precautions

Contraindicated in:

Use Cautiously in:

Exercise Extreme Caution in:

Adv. Reactions/Side Effects

CNS: anxiety, depression, dizziness, sedation, weakness, dyskinesia, hallucinations, nervousness.

EENT: blurred vision, pharyngitis, rhinitis.

CV: hypotension, bradycardia.

GI: abdominal pain, diarrhea, dry mouth, dyspepsia, constipation, hepatocellular injury, liver enzymes, vomiting.

GU: urinary frequency.

Derm: rash, skin ulcers, sweating.

MS: back pain, myasthenia, paresthesia.

Misc: fever, speech disorder.

Interactions

Drug-Drug:

Availability

(Generic available)

Route/Dosage

Tablets are not interchangeable with capsules

US Brand Names

Zanaflex

Action

Therapeutic Effects:

Classifications

Therapeutic Classification: antispasticity agents (centrally acting)

Pharmacologic Classification: adrenergics

Pharmacokinetics

Absorption: Completely absorbed after oral administration but rapidly metabolized, resulting in 40% bioavailability.

Distribution: Widely distributed.

Metabolism/Excretion: 95% metabolized by the liver.

Half-life: 2.5 hr.

Time/Action Profile

(reduced muscle tone)

ROUTEONSETPEAKDURATION
POunknown1–2 hr3–6 hr

Patient/Family Teaching

Pronunciation

tye-ZAN-i-deen audio

Code

NDC Code*