Get Zanaflex Treatment Online

Already taking Zanaflex (tizanidine) for muscle spasticity? Refill your prescription online without an in-person visit. A licensed physician will review your history and, if appropriate, issue your refill quickly and securely.


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What Is Zanaflex?

Zanaflex (tizanidine) is a prescription medication used to manage muscle spasticity caused by conditions such as multiple sclerosis or spinal cord injury. It works by acting as a central alpha-2 adrenergic agonist, which reduces the excitatory signals to motor neurons and relaxes muscle tone. With the right dose and ongoing monitoring, most patients experience meaningful relief from spasm and tightness that interferes with daily function.

  • Reduces muscle spasms and tightness by calming overactive nerve signals in the spinal cord
  • Get personalized guidance from doctor-trained AI
  • Explore treatment and prescription options

Is Online Zanaflex Treatment Right for You?

To qualify for a Zanaflex refill through Doctronic, you must have an existing diagnosis of muscle spasticity or a related condition for which tizanidine has been previously prescribed, and your current dose must be stable with no recent significant side effects. Our licensed physicians will review your medication history and health information to confirm this refill is appropriate for you.

Because tizanidine affects the central nervous system and can interact with certain medications and liver conditions, our physicians will also ask about your current medication list, any history of liver disease, and blood pressure patterns. This information helps ensure your refill is safe and clinically appropriate.

  • Diagnosed with muscle spasticity or a related neurological condition
  • Get personalized guidance from AI and clinicians
  • Explore treatment and prescription refill options
  • Access care from home, often the same day
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Diagnosed with muscle spasticity or spinal cord-related condition Experiencing muscle tone or tightness on current dose Muscle spasms interfering with daily activities Need a prescription refill Adults 18+ in any U.S. state

How Muscle Spasticity Treatment Works at Doctronic


Chat With The #1 AI Doctor

Doctronic answers your health questions with personalized medical insights and helps our doctors create a better treatment plan for you.


Meet With a Licensed Doctor For Treatment

Book a $39 telehealth appointment (or copay) within 30 minutes. Our doctors create personalized treatment plans with prescriptions when needed.


Pick Up Your Prescription

Our doctors prescribe non-controlled medications in all 50 states and send prescriptions to your pharmacy for same-day pickup.

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What a Doctronic consultation looks like

Free to start, no account needed. Here's how a real Muscle Spasticity consultation unfolds.

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Chat for free, see an online doctor for $39/visit, or refill a prescription online for as low as $0

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Frequently asked questions

Zanaflex (tizanidine) is used to treat muscle spasticity, which is increased muscle tone or stiffness that can result from conditions such as multiple sclerosis, spinal cord injury, or other neurological disorders. It helps reduce the frequency and severity of muscle spasms.

Tizanidine is a central alpha-2 adrenergic agonist. It works in the spinal cord by inhibiting the release of excitatory neurotransmitters that trigger muscle contractions, which reduces muscle spasticity and associated discomfort.

Zanaflex is usually taken in doses of 4 mg up to three times per day, with doses spaced at least 6 to 8 hours apart. The maximum recommended dose is 36 mg per day. Your prescribing physician will determine the dose that is right for you based on your response and tolerability.

Common side effects include drowsiness, dizziness, dry mouth, low blood pressure, and weakness. These effects are more pronounced at higher doses. Because tizanidine can cause sedation, avoid driving or operating heavy machinery until you know how it affects you.

Yes. Tizanidine has significant interactions with fluvoxamine and ciprofloxacin, which can dramatically increase tizanidine levels in the blood and lead to serious side effects. It also interacts with other CNS depressants and medications that lower blood pressure. Always inform your physician of all medications you are taking.

Tizanidine can cause liver enzyme elevations in some patients. Liver function tests are recommended during the first 6 months of treatment and periodically thereafter. Contact your provider if you notice yellowing of the skin or eyes, dark urine, or persistent nausea.

Doctronic uses an AI-powered evaluation to gather your medical history and current symptoms, which is then reviewed by a licensed physician. If the refill is clinically appropriate, the physician issues a treatment plan and prescription. The entire process is designed to be fast, thorough, and HIPAA-compliant.

Yes. Doctronic connects you with fully licensed physicians who are credentialed and operating within their scope of practice. Every patient evaluation is doctor-reviewed and audited for safety, and all health information is protected under HIPAA. Refills are available to adults 18 and older in any U.S. state, subject to physician approval.