What is Zanaflex: Uses, Warnings & Interactions

Updated Jan 13, 2021  •  Published Dec 31, 2020

Zanaflex overview

BRAND NAMES:

  • Zanaflex, Zanaflex Capsule, Zanaflex Capsule

Generic Names:

  • Tizanidine Hcl

Uses:

  • Treats muscle spasticity.

Therapeutic Classes:

  • Skeletal Muscle Relaxant, Centrally Acting

Forms:

  • Capsule, Tablet

How it’s taken:

  • By mouth

What form(s) does Zanaflex come in

  • Capsule

  • Tablet

What are common Zanaflex doses?

  • Capsule 2MG

  • Capsule 4MG

  • Capsule 6MG

  • Tablet 4MG

Common Zanaflex prescriptions

  • Zanaflex
    10 tablets bottle

  • Zanaflex
    15 tablets bottle

  • Zanaflex
    20 tablets bottle

  • Zanaflex
    30 capsules bottle

  • Zanaflex
    30 tablets bottle

  • Zanaflex
    45 tablets bottle

  • Zanaflex
    60 capsules bottle

  • Zanaflex
    90 tablets bottle

  • Zanaflex
    2mg capsule

  • Zanaflex
    4mg capsule

  • Zanaflex
    6mg capsule

  • Zanaflex
    4mg tablet

How to take Zanaflex

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • You may take this medicine with or without food, but always take it the same way every time. Tizanidine works differently depending on whether you take it on an empty stomach or a full stomach. Talk to your doctor if you have any questions about this.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • You may take this medicine with or without food, but always take it the same way every time. Tizanidine works differently depending on whether you take it on an empty stomach or a full stomach. Talk to your doctor if you have any questions about this.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Zanaflex contraindications

  • This medicine is not right for everyone. Do not use if you had an allergic reaction to tizanidine.

Zanaflex warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or liver disease.

  • This medicine may cause the following problems:Low blood pressureLiver damage

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly if you are dizzy.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Zanaflex interactions

  • Do not use this medicine together with ciprofloxacin or fluvoxamine.

  • Some foods and medicines can affect how tizanidine works. Tell your doctor if you are using any of the following:Acyclovir, baclofen, cimetidine, famotidine, ticlopidine, verapamil, zileutonBirth control pills, blood pressure medicine, medicine for heart rhythm problems (such as amiodarone, mexiletine, propafenone), or medicine to treat an infection (such as levofloxacin, moxifloxacin)

  • Do not drink alcohol while you are using this medicine.

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Zanaflex side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Lightheadedness, dizziness, or fainting

  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes

  • Seeing or hearing things that are not really there

  • Slow heartbeat

Less Serious Side Effects

  • Drowsiness or sleepiness

  • Weakness

  • Dry mouth