Naratriptan vs. Zanaflex


We compare the side effects and drug effectiveness of Naratriptan and Zanaflex. The study is created by eHealthMe based on reports of 31,527 people who take Naratriptan and Zanaflex, and is updated regularly.

What's eHealthMe?

eHealthMe is a health data analysis company based in Mountain View, California. eHealthMe monitors and analyzes the outcomes of drugs and supplements that are currently on the market. The results are readily available to health care professionals and consumers.

eHealthMe has released original studies on market drugs and worked with leading universities and institutions such as IBM, London Health Science Centre, Mayo Clinic, Northwestern University and VA. eHealthMe studies have now been referenced in over 500 peer-reviewed medical publications.

How we gather our data?

Healthcare data is obtained from a number of sources including the Food and Drug Administration (FDA). This information is aggregated and used to produce personalized reports that patients can reference.

The information that eHealthMe collects includes:

  • Side effects (including severity and how people recover from them)
  • Associated conditions or symptoms
  • Drug effectiveness
  • Demographic data regarding drug use

How the study uses the data?

The study is based on naratriptan and tizanidine hydrochloride (the active ingredients of Naratriptan and Zanaflex, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered.

What is Naratriptan?

Naratriptan has active ingredients of naratriptan. It is often used in migraine. (latest outcomes from Naratriptan 543 users)

What is Zanaflex?

Zanaflex has active ingredients of tizanidine hydrochloride. It is often used in muscle spasms. (latest outcomes from Zanaflex 13,009 users)

How to use the study?

Patients can bring a copy of the report to their healthcare provider to ensure that all drug risks and benefits are fully discussed and understood. It is recommended that patients use the information presented as a part of a broader decision-making process.

On Mar, 20, 2019

31,527 people who take Naratriptan and Zanaflex are studied.

Number of reports submitted per year:

Naratriptan vs Zanaflex drug comparison reports.

Drugs in this study:

  • Naratriptan (naratriptan)
  • Zanaflex (tizanidine hydrochloride)

Most common side effects:

  1. Pain
  2. Nausea (feeling of having an urge to vomit)
  3. Fatigue (feeling of tiredness)
  4. Drug Ineffective
  5. Headache (pain in head)
  6. Fall
  7. Dizziness
  8. Depression
  9. Asthenia (weakness)
  10. Dyspnoea (difficult or laboured respiration)
  1. Drug Ineffective
  2. Headache (pain in head)
  3. Nausea (feeling of having an urge to vomit)
  4. Dizziness
  5. Vomiting
  6. Diarrhoea
  7. Dyspnoea (difficult or laboured respiration)
  8. Fatigue (feeling of tiredness)
  9. Tremor (trembling or shaking movements in one or more parts of your body)
  10. Condition

Most common side effects experienced by people in long term use:

  1. Fall
  2. Depression
  3. Drug Ineffective
  4. Insomnia (sleeplessness)
  5. Dizziness
  6. Pain
  7. Chronic Kidney Disease
  8. Nausea (feeling of having an urge to vomit)
  9. Anxiety
  10. Hypertension (high blood pressure)
  1. Headache (pain in head)
  2. Weight Gain
  3. Vasoconstriction (constriction of blood vessels, which increases blood pressure)
  4. Tremor (trembling or shaking movements in one or more parts of your body)
  5. Swelling Face
  6. Short-Term Memory Loss
  7. Retinal Artery Occlusion (blockage of retinal artery)
  8. Rash
  9. Pancreatitis Chronic (chronic inflammation of pancreas)
  10. Nerve Compression

Drug effectiveness:

  • not at all: 3.63 %
  • somewhat: 31.5 %
  • moderate: 36.9 %
  • high: 20.31 %
  • very high: 7.65 %
  • not at all: 0 %
  • somewhat: 12 %
  • moderate: 36 %
  • high: 40 %
  • very high: 12 %

Do you take Naratriptan or Zanaflex?

You are not alone:

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WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.