GENERIC NAME: Tizanidine hydrochloride
BRAND NAME: Zanaflex
GENERIC AVAILABLE: Yes
SIDE EFFECTS: Common side effects of tizanidine include:
- low blood pressure,
- dry mouth,
- blurred vision, and
PREPARATIONS: Capsules: 2, 4, 6 mg; Tablets: 2, 4 mg
DRUG INTERACTIONS: Tizanidine should not be used with:
- ciprofloxacin (Cipro),
- amiodarone (Cordarone),
- cimetidine (Tagamet),
- oral contraceptives,
- acyclovir (Zovirax), and
- fluvoxamine (Luvox).
These medications can slow down the breakdown of tizanidine and lead to increased sedation, drowsiness and slowed reflexes.
Tizanidine should be used with caution with medications like:
- alprazolam (Xanax),
- clonazepam (Klonopin),
- diazepam (Valium),
- zolpidem (Ambien),
- oxycodone (Roxicodone),
- hydromorphone (Dilaudid),
- amitriptyline (Elavil),
- nortriptyline (Pamelor) and
These medications can further increase the side effects of tizanidine.
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