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Fzin 5mg Tablet

Flunarizine (5mg)
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Fzin 5mg Tablet is a medicine used for the prevention of migraines. However, it cannot treat an acute attack and will only work to prevent migraines for as long as you continue to take the medicine. This medicine relaxes the brain, preventing migraine headaches.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 25 Nov 2025 | 03:05 PM (IST)
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General Information

The content is shown in English
Fzin 5mg Tablet image
Fzin 5mg Tablet image

Product introduction

Fzin 5mg Tablet may be taken with or without food. However, it is advised to take it at the same time each day, as this helps maintain a consistent level of medicine in the body. Do not skip any doses, and finish the full course of treatment even if you feel better. If you have missed a dose, take it as soon as you remember. You should continue to take this medicine for as long as the doctor advises and do not stop taking it suddenly.


Side effects associated with the use of Fzin 5mg Tablet include muscle pain, fatigue, constipation, nausea, insomnia (difficulty sleeping), and a runny nose. Some other side effects that may be seen on taking this medicine are increased appetite, depression, stomach discomfort, and breast pain.


Fzin 5mg Tablet may also cause sleepiness at the beginning of your treatment, so do not drive or operate machinery until you know how this medicine affects you. It may also cause weight gain, and to prevent it, you can eat a healthy, balanced diet and exercise regularly. This medicine may cause changes in your mood, and you may feel depressed; therefore, regular monitoring of behavior is important. Pregnant or breastfeeding mothers should consult their doctor before taking this medicine.

Uses of Fzin Tablet

Benefits of Fzin Tablet

Migraine
Fzin 5mg Tablet is used to reduce the frequency and severity of migraine attacks. It helps improve daily functioning by preventing recurring headaches, allowing better control over migraine-related discomfort and disruptions.

Side effects of Fzin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Fzin
  • Sleepiness
  • Weight gain
  • Muscle pain
  • Fatigue
  • Constipation
  • Nausea
  • Insomnia (difficulty in sleeping)
  • Runny nose
  • Increased appetite
  • Depression
  • Stomach discomfort
  • Breast pain

How to use Fzin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Fzin 5mg Tablet may be taken with or without food.

How Fzin Tablet works

Migraine headaches are thought to result from the dilation of blood vessels in the head. Fzin 5mg Tablet works by preventing loss of tone and dilation of blood vessels, thus preventing the migraine headache.

Quick tips

  • Do not take Fzin 5mg Tablet to treat an acute attack of migraine.
  • Some tips that may help you avoid a migraine attack include having your meals at the same time every day; avoiding bright lights and extreme temperatures; avoiding loud music and noisy places; avoiding chocolates, cheese, processed food, alcohol, and smoking; and getting sufficient sleep and avoiding stress.
  • Take Fzin 5mg Tablet at nighttime before going to bed.
  • It may cause sleepiness. Don't drive or do anything that requires mental focus until you know how Fzin 5mg Tablet affects you.
  • Notify your doctor if you develop a skin rash, muscle aches, tremors, difficulty moving, or abnormal, uncontrolled movement.

Safety advice

Alcohol

Alcohol

UNSAFE
Do not drink alcohol while you are taking this medicine. Fzin 5mg Tablet may cause excessive drowsiness when taken with alcohol.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Information regarding the use of Fzin 5mg Tablet during pregnancy is not available. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Fzin 5mg Tablet during breastfeeding is not available. Please consult your doctor.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Fzin 5mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney

Kidney

SAFE IF PRESCRIBED
Fzin 5mg Tablet is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.
However, consult your doctor if have severe kidney disease.
Liver

Liver

CAUTION
Fzin 5mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Fzin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate

Tramadol (Injection Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.
Moderate

Alprazolam (Injection Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.
Moderate

Alprazolam (Oral Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.
Moderate

Chlordiazepoxide (Oral Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.
Moderate

Clobazam (Oral Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.

Frequently asked questions

Fzin 5mg Tablet is a calcium channel blocker and is used to prevent migraine attacks. Migraine is a recurrent throbbing headache that typically affects one side of the head and is often accompanied by nausea and disturbed vision.
Fzin 5mg Tablet works if used at prescribed doses for the prescribed duration as advised by your doctor.
Fzin 5mg Tablet is safe if used at prescribed doses for the prescribed duration as advised by the doctor.
Fzin 5mg Tablet can cause weight gain. It is caused by an increase in appetite (feeling hungry) and can be avoided by keeping to your usual diet. Please consult your doctor if you experience weight gain after taking Fzin 5mg Tablet.

Fact Box

Chemical Class

Diphenylmethanes

Habit Forming

No

Therapeutic Class

NEURO CNS

Action Class

Calcium Channel Blockers (CCBs)- Migraine Prevention

References

  1. Katzung BG. Histamine, Serotonin, & the Ergot Alkaloids. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 283.
  2. Central Drugs Standard Control Organisation (CDSCO). [Accessed 25 Mar. 2019] (online) Available from:
  3. Flunarizine Hydrochloride [Product Monograph]. Vaughan, Ontario: AA Pharma INC.; 2010 [Accessed 02 Apr. 2025] (online) Available from:
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Biosans Lifecare
Address: Biosans Lifecare, Deepika Garg(Managing Director), SCO No. 62, Sector 12A, Panchkula - 134115, Haryana, India

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Fzin 5mg Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945
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