Author Details
Written By
MMST, MBBS
Reviewed By
MD (Pharmacology), MBBS
Last updated
29 Nov 2023 | 07:00 PM (IST)

We provide you with authentic, trustworthy and relevant information

Want to know more

Have issue with the content?

Report Problem

B Fen 20mg Tablet ER

Prescription Required
SALT COMPOSITION
Storage
Store below 30°C

Product introduction

B Fen 20mg Tablet ER is a muscle relaxer. It is used to treat muscular symptoms such as rigidity, tension, and stiffness that may occur due to various conditions such as cerebral palsy, multiple sclerosis, motor neuron disease, or injury to the head, brain, or spine.

B Fen 20mg Tablet ER can be taken with food. In general, you should try to use the smallest amount necessary to control your symptoms, for the shortest possible time. You should take this medicine regularly while you need it. Try not to miss doses as this will make the medicine less effective.

Some common side effects of this medicine include fatigue, weakness, drowsiness, and dizziness. If any of these side effects do not go away or get worse, you should let your doctor know. Your doctor may be able to suggest ways of preventing or reducing the symptoms.

To make sure it is safe for you, before taking this medicine, let your doctor know if you have any medical conditions or disorders. You should also tell your doctor all the other medicines you are using or taking. Pregnant and breastfeeding women should consult their doctors before using this medicine.

Uses of B Fen Tablet ER

  • Muscle relaxation

Benefits of B Fen Tablet ER

In Muscle relaxation

B Fen 20mg Tablet ER is a muscle relaxant that is used to relieve rigidity, inflammation, and swelling in conditions that affect skeletal muscles. It works by blocking chemical messengers in the brain that are responsible for such symptoms. It effectively relieves muscle stiffness or spasm, thereby improving muscle movement.

Take it as it is prescribed to get the most benefit. Do not take more or for longer than needed as that can be dangerous. In general, you should take the lowest dose that works, for the shortest possible time. This will help you to go about your daily activities more easily and have a better, more active, quality of life.

Side effects of B Fen Tablet ER

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 B Fen

  • Dizziness
  • Convulsion
  • Nausea
  • Headache
  • Sedation
  • Hypotension (low blood pressure)
  • Hypotonia (decreased muscle tone)
  • Agitation
  • Constipation
  • Increased white blood cell count
  • Chills
  • Urinary retention

How to use B Fen Tablet ER

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. B Fen 20mg Tablet ER is to be taken with food.

How B Fen Tablet ER works

B Fen 20mg Tablet ER is a muscle relaxant. It works on the brain and spinal cord to relieve muscle stiffness or spasm maintaining the strength of the muscles. This relieves pain and improves movement of muscles.

Safety advice

Alcohol
UNSAFE
B Fen 20mg Tablet ER may cause excessive drowsiness with alcohol.
Pregnancy
CONSULT YOUR DOCTOR
B Fen 20mg Tablet ER may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding
SAFE IF PRESCRIBED
B Fen 20mg Tablet ER is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Driving
UNSAFE
B Fen 20mg Tablet ER may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney
CAUTION
B Fen 20mg Tablet ER should be used with caution in patients with kidney disease. Dose adjustment of B Fen 20mg Tablet ER may be needed. Please consult your doctor.
Liver
CAUTION
B Fen 20mg Tablet ER should be used with caution in patients with liver disease. Dose adjustment of B Fen 20mg Tablet ER may be needed. Please consult your doctor.

What if you forget to take B Fen Tablet ER?

If you miss a dose of B Fen 20mg Tablet ER, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.
B Fen 20mg Tablet ER
₹14.4/Tablet ER
Bizlo OD Tablet ER
Torrent Pharmaceuticals Ltd
₹16.7/tablet er
16% costlier
Baclof OD 20 Tablet ER
Intas Pharmaceuticals Ltd
₹16.6/tablet er
15% costlier
Alcofen XL 20 Tablet
Hind Bioscience
₹27.8/tablet er
93% costlier
Bacrite 20 XR Tablet
Health N U Therapeutics Pvt Ltd
₹16/tablet er
11% costlier
Baclof OD 20 Tablet ER
Intas Pharmaceuticals Ltd
₹16.2/tablet er
12% costlier

Quick tips

  • B Fen 20mg Tablet ER provides relief from rigidity, tension and stiffness in muscles (spasticity) that may occur due to various conditions affecting the nervous system.
  • B Fen 20mg Tablet ER should be taken during meals with a little liquid.
  • B Fen 20mg Tablet ER may cause dizziness or sleepiness. Do not drive or do anything requiring concentration until you know how it affects you.
  • Avoid consuming alcohol when taking B Fen 20mg Tablet ER as it may cause excessive drowsiness.
  • Inform your doctor if you are pregnant, planning to conceive or breastfeeding.
  • Do not stop taking it suddenly without talking to your doctor if you've been on it for a long time.

Fact Box

Chemical Class
Gamma Amino Acids Derivative
Habit Forming
No
Therapeutic Class
PAIN ANALGESICS
Action Class
Skeletal muscle relaxant- Centrally acting

Interaction with drugs

Taking B Fen with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Brand(s): Levopa, Bidopal
Serious
Brand(s): Cardisip, Digover, Caxin
Moderate
Brand(s): Psycolith, Cartil, A Lith
Moderate
Brand(s): Nimsun
Moderate

Patient concerns

arrow
healty but no muscle growth properly
Dr. Pushkar Mani
Physician
CBC, thyroid profile , VITAMIN d & b estimation, LFT ,KFT
After day long work when on bed the calf muscle start to pain
Vipul Aggarwal
please get vitamin d and b 12 checked
arrow

FAQs

Q. Can B Fen 20mg Tablet ER make you sleepy?

Yes, B Fen 20mg Tablet ER can cause sleepiness. It can make a person dizzy due to its sedative effect. It can also affect vision and therefore you should avoid driving and using heavy machinery until and unless you know how B Fen 20mg Tablet ER affects you.

Q. Does B Fen 20mg Tablet ER help anxiety?

Though B Fen 20mg Tablet ER is not approved to treat anxiety disorders, it has been observed in some studies that it is effective in treating stress which occurs after a trauma.

Q. Can I take B Fen 20mg Tablet ER if I have a liver problem?

If you have a liver problem then you need to be cautious while taking B Fen 20mg Tablet ER. This is because the medicine may increase the production of liver enzymes. Hence, regular laboratory examination of liver enzymes is required while taking this medicine as advised by your doctor.

Q. Does B Fen 20mg Tablet ER have any effect on kidneys?

B Fen 20mg Tablet ER may cause side effects in patients with normal kidney function which include excessive day time urination (pollakiuria), burning sensation while urinating (dysuria), and loss of bladder control (urinary incontinence). Generally, a lower dose of this medicine is prescribed if a person has abnormally functioning kidneys or if a person is on dialysis.

Q. How should B Fen 20mg Tablet ER be taken?

Take B Fen 20mg Tablet ER exactly as directed by your doctor. If a person experiences nausea while taking B Fen 20mg Tablet ER then it should be consumed with food or milk. However, for night cramps, it would be best to use the medicine at night time or 1 hour before doing specific tasks like physiotherapy or washing.

Want to share the information?

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.

References

  1. White PF, Katzung BG. Skeletal Muscle Relaxants. 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. 463.
  2. Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 121-23.
  3. Baclofen. Camberley, Surrey: Novartis Pharmaceuticals UK Ltd.; 2001 [revised 22 Dec. 2017]. [Accessed 23 Jan. 2019] (online) Available from:External Link
  4. Drugs.com. Baclofen Pregnancy and Breastfeeding Warnings. [Accessed 02 Apr. 2019] (online) Available from:External Link
  5. Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 02 Apr. 2019] (online) Available from:External Link
  6. Central Drugs Standard Control Organisation (CDSCO). [Accessed 02 Apr. 2019] (online) Available from:External Link
  7. Baclofen [Package Leaflet]. Basel, Switzerland: Novartis Pharma AG; 2021. [Accessed 09 Jun, 2023] (online) Available from:External Link

Marketer details

Name: Captab Biotec
Address: Plot No. – 125, E.P.I.P. Road Mauja Jharmajri, Baddi , Distt - Solan H.P. - 173205
Country of origin: India
Expires on or after: October, 2024

A licensed vendor partner from your nearest location will deliver B Fen 20mg Tablet ER. 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]
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

136.8149Get 8% OFF
116.64+ free shipping withCare Plan Logo
Inclusive of all taxes
This offer price is valid on orders above ₹2499. Apply coupon HEALTHALL on the cart. Max. coupon discount is ₹300. T&C apply.
10.0 tablet er in 1 strip
Add to cart
Cash on delivery available
Get it delivered by Tomorrow
Delivering to:
122019, GurgaonDown Arrow Icon

Additional offers

Tata Pay Later: Get up to Rs. 500 Neu coins for every transaction on Tata 1mg above Rs. 200 from 1st to 31st July'24 using Tata Pay Later.
Show more show_more

INDIA’S LARGEST HEALTHCARE PLATFORM

260m+
Visitors
31m+
Orders Delivered
1800+
Cities
Get the link to download App
Reliable

All products displayed on Tata 1mg are procured from verified and licensed pharmacies. All labs listed on the platform are accredited

Secure

Tata 1mg uses Secure Sockets Layer (SSL) 128-bit encryption and is Payment Card Industry Data Security Standard (PCI DSS) compliant

Affordable

Find affordable medicine substitutes, save up to 50% on health products, up to 80% off on lab tests and free doctor consultations.

LegitScript approved
India's only LegitScript and ISO/ IEC 27001 certified online healthcare platform

Know more about Tata 1mgdownArrow

Access medical and health information

Tata 1mg provides you with medical information which is curated, written and verified by experts, accurate and trustworthy. Our experts create high-quality content about medicines, diseases, lab investigations, Over-The-Counter (OTC) health products, Ayurvedic herbs/ingredients, and alternative remedies.

Order medicines online

Get free medicine home delivery in over 1800 cities across India. You can also order Ayurvedic, Homeopathic and other Over-The-Counter (OTC) health products. Your safety is our top priority. All products displayed on Tata 1mg are procured from verified and licensed pharmacies.

Book lab tests

Book any lab tests and preventive health packages from certified labs and get tested from the comfort of your home. Enjoy free home sample collection, view reports online and consult a doctor online for free.

Consult a doctor online

Got a health query? Consult doctors online from the comfort of your home for free. Chat privately with our registered medical specialists to connect directly with verified doctors. Your privacy is guaranteed.