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  3. Flexabenz ER Capsule 10's

Flexabenz ER Capsule 10's, Pack of 10 CAPSULES
Flexabenz ER Capsule 10's, Pack of 10 CAPSULES
Flexabenz ER Capsule 10's, Pack of 10 CAPSULES
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Written By Lakshmithulasi Yarragunta ,
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
Flexabenz ER Capsule is used to reduce and relieve the muscle spasm or excessive muscle tension occurring in various illnesses. It contains Cyclobenzaprine, which works by relieving muscle spasm through action on the central nervous system at the brain stem and helps relieve pain and improve muscle movements. It works on the spinal cord and brain, thereby maintaining muscle strength and relieving muscle spasms or stiffness. In some cases, you may experience certain common side effects such as blurred vision, dizziness, drowsiness, or lightheadedness, dryness of the mouth. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.
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Synonym :

CYCLOBENZAPRINE HYDROCHLORIDE

Composition :

CYCLOBENZAPRINE-15MG

Manufacturer/Marketer :

Macleods Pharmaceuticals Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About Flexabenz ER Capsule

Flexabenz ER Capsule belongs to the group of medicines called 'muscle relaxant' used to reduce and relieve the muscle spasm or excessive muscle tension occurring in various illnesses. Muscle spasm is the sudden involuntary contractions of the muscle, which can be painful and uncomfortable. When the nerve impulses that control the muscle movements are damaged or interrupted, it could lead to muscle spasms. 

The Flexabenz ER Capsule contains 'cyclobenzaprine' which works by relieving muscle spasm through action on the central nervous system at the brain stem and helps relieve pain and improve muscle movements. Flexabenz ER Capsule works on the spinal cord and brain, thereby maintaining muscle strength and relieving muscle spasms or stiffness. 

Take Flexabenz ER Capsule with food. You are advised to take Flexabenz ER Capsule for as long as your doctor has prescribed it for you, depending on your medical condition. In some cases, you may experience certain common side-effects such as blurred vision, dizziness, drowsiness, or lightheadedness, dryness of the mouth. Most of these side-effects do not require medical attention and will resolve gradually over time. However, you are suggested to talk to your doctor if you experience these side-effects persistently.

Do not discontinue Flexabenz ER Capsule suddenly as it could lead to unpleasant side-effects such as rigidity, increased heart rate, changes in mood, fever, mental disorders, confusion, hallucinations, and fits (seizures). Consult your doctor before taking Flexabenz ER Capsule if you are pregnant or breast-feeding. Your doctor will prescribe Flexabenz ER Capsule only if the benefits outweigh the risks. Flexabenz ER Capsule is not recommended for children below 15 years of age. Inform your doctor about all the current medicines you are taking and your health condition to rule out any unpleasant side-effects. Please speak to your doctor immediately if you experience mood swings, depression or if you have any suicidal thoughts. 

Uses of Flexabenz ER Capsule

Treatment of Muscle spasm

Directions for Use

• Flexabenz ER Capsule can be taken with or without food as advised by your doctor.• Follow your doctor's instructions on the dosage and timing of this medication to ensure safety.• Swallow Flexabenz ER Capsule as a whole with a glass of water.• Do not chew, crush or break it.

Medicinal Benefits

Flexabenz ER Capsule belongs to the group of medicines called muscle relaxants used to reduce and relieve muscle spasms (excessive tension in the muscles). Flexabenz ER Capsule  relieves muscle spasm through action on the central nervous system at the brain stem and helps in relieving pain and improves muscle movements. Flexabenz ER Capsule is particularly effective for relieving involuntary muscle spasms in the ankle, hip, and knee. Flexabenz ER Capsule is used together with physical therapy and rest to relieve muscle spasms caused by painful conditions such as an injury.

How Flexabenz ER Capsule Works

Flexabenz ER Capsule contains 'cyclobenzaprine' which works by relieving muscle spasm through action on the central nervous system at the brain stem and helps relieve pain and improve muscle movements. Flexabenz ER Capsule works on the spinal cord and brain, thereby maintaining muscle strength and relieving muscle spasms or stiffness.

Storage

Keep Flexabenz ER Capsule out of reach and sight of children.
Side effects of Flexabenz ER Capsule
Here are the steps to Dry Mouth (xerostomia) caused by medication:
  • Inform your doctor about dry mouth symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
  • Drink plenty of water throughout the day to help keep your mouth moist and alleviate dry mouth symptoms.
  • Chew sugar-free gum or candies to increase saliva production and keep your mouth moisturized.
  • Use saliva substitutes, such as mouthwashes or sprays, only if your doctor advises them to help moisturize your mouth and alleviate dry mouth symptoms.
  • Avoid consuming smoking, alcohol, spicy or acidic foods, and other irritants that may aggravate dry mouth symptoms.
  • Schedule regular dental check-ups to keep track of your oral health and handle any dry mouth issues as they arise.
Here are the 7 steps to manage Dizziness caused by medication:
  • Inform your doctor about dizziness symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
  • Follow your doctor's instructions for taking medication, and take it at the same time every day to minimize dizziness.
  • When standing up, do so slowly and carefully to avoid sudden dizziness.
  • Avoid making sudden movements, such as turning or bending quickly, which can exacerbate dizziness.
  • Drink plenty of water throughout the day to stay hydrated and help alleviate dizziness symptoms.
  • If you're feeling dizzy, sit or lie down and rest until the dizziness passes.
  • Track when dizziness occurs and any factors that may trigger it, and share this information with your doctor to help manage symptoms.
  • Rest well; get enough sleep.
  • Eat a balanced diet and drink enough water.
  • Manage stress with yoga and meditation.
  • Limit alcohol and caffeine.
  • Physical activities like walking or jogging might help boost energy and make you feel less tired.
Here are the steps to cope with constipation as a side effect of medication:
  • Inform your doctor about your constipation symptoms. They may adjust your medication or advise alternative treatments.
  • Stay hydrated by drinking sufficient of water (at least 8-10 glasses a day) to help soften stool and promote bowel movements.
  • Increase fibre intake by eating foods high in fibre, such as fruits, whole grains, vegetables and legumes, to help bulk up the stool.
  • Establish a bowel routine by trying to go to the bathroom at the same time each day to train your bowels.
  • Engaging in regular exercise, like walking or yoga, can support in bowel movement stimulation.
  • Consult your doctor if constipation persists, and discuss alternative treatments or adjustments to your medication.
  • Avoid driving or operating machinery or activities that require high focus until you know how the medication affects you.
  • Maintain a fixed sleeping schedule, create a relaxing bedtime routine and ensure your sleeping space is comfortable to maximize your sleep quality.
  • Limit alcohol and caffeine as these may worsen drowsiness and disturb sleep patterns.
  • Drink plenty of water as it helps with alertness and keeps you hydrated and for overall well-being.
  • Moderate physical activity can improve energy levels, but avoid intense workouts right before bedtime.
Overcome Medication-Induced Nausea: A 9-Step Plan
  • Inform your doctor about the nausea and discuss possible alternatives to the medication or adjustments to the dosage.
  • Divide your daily food intake into smaller, more frequent meals to reduce nausea.
  • Opt for bland, easily digestible foods like crackers, toast, plain rice, bananas, and applesauce.
  • Avoid certain foods that can trigger nausea, such as fatty, greasy, spicy, and smelly foods.
  • Drink plenty of fluids, such as water, clear broth, or electrolyte-rich beverages like coconut water or sports drinks.
  • Use ginger (tea, ale, or candies) to help relieve nausea.
  • Get adequate rest and also avoid strenuous activities that can worsen nausea.
  • Talk to your doctor about taking anti-nausea medication if your nausea is severe.
  • Record when your nausea occurs, what triggers it, and what provides relief to help you identify patterns and manage your symptoms more effectively.
Here are the step-by-step strategies to manage the side effects of "indigestion" caused by medication usage:
  • Take medications with food (if recommended): It can help prevent stomach distress and indigestion.
  • Eat smaller, more frequent meals: Divide daily food intake into smaller, more frequent meals to ease digestion.
  • Avoid trigger foods: Identify and avoid foods that trigger indigestion, such as spicy, fatty, or acidic foods.
  • Stay upright after eating: Sit or stand upright for at least 1-2 hours after eating to prevent stomach acid from flowing into the oesophagus.
  • Avoid carbonated drinks: Avoid drinking carbonated beverages, such as soda or beer, which can worsen indigestion.
  • Manage stress: To alleviate indigestion, engage in stress-reducing activities like deep breathing exercises or meditation.
  • Consult a doctor if needed: If indigestion worsens or persists, consult a healthcare professional to adjust the medication regimen or explore alternative treatments.

What if I have taken an overdose of Flexabenz ER Capsule

Do not take more than the prescribed dose of Flexabenz ER Capsule as it may cause overdose. The symptoms of overdose include vomiting, severe drowsiness, tremors, fast heartbeats, hallucinations or agitation. If you suspect you have taken overdose or notice signs of overdose, please consult a doctor immediately.

Drug Warnings

A person should not take Flexabenz ER Capsule if they are allergic to a medicinal component present in it. If they have a certain thyroid disorder (hyperthyroidism), a heart rhythm disorder, or you have recently had a heart attack and heart block, congestive heart failure. If a person has taken an MAO inhibitor in the past 14 days, they should not take Flexabenz ER Capsule to cause serious drug interaction. Consult your doctor before taking Flexabenz ER Capsule if you are pregnant or breast-feeding. Your doctor will prescribe Flexabenz ER Capsule only if the benefits outweigh the risks. Flexabenz ER Capsule is not recommended for children below 15 years of age. Inform your doctor about all the medicines you are taking and your health condition to rule out any unpleasant side-effects. Please talk to your doctor immediately if you experience mood swings, depression, or if you have any suicidal thoughts. Your doctor may advise you to undergo regular blood tests to monitor liver function. Inform your doctor that you are taking Flexabenz ER Capsule if you are experiencing any operation which requires a general anaesthetic.

Drug-Drug Interactions

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CyclobenzaprinePhenelzine
Critical
CyclobenzaprineSafinamide
Critical

Drug-Drug Interactions

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CyclobenzaprinePhenelzine
Critical
How does the drug interact with Flexabenz ER Capsule:
Taking Flexabenz ER Capsule with Phenelzine might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Taking Flexabenz ER Capsule with Phenelzine can possibly lead to an interaction. It can be taken if prescribed by doctor.However, if you experience fever, palpitations, excessive sweating, muscle spasm, or diarrhea, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineSafinamide
Critical
How does the drug interact with Flexabenz ER Capsule:
Coadministration of Safinamide with Flexabenz ER Capsule might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Taking Safinamide with Flexabenz ER Capsule is not recommended, but can be taken together if prescribed by a doctor. However, if you experience fever, palpitations, excessive sweating, muscle spasm, or diarrhea, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineTranylcypromine
Critical
How does the drug interact with Flexabenz ER Capsule:
Coadministration of Flexabenz ER Capsule with Tranylcypromine might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Taking Tranylcypromine with Flexabenz ER Capsule is not recommended, but can be taken together if prescribed by a doctor. However, if you experience fever, palpitations, excessive sweating, muscle spasm, or diarrhea, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineRasagiline
Critical
How does the drug interact with Flexabenz ER Capsule:
Taking Flexabenz ER Capsule with rasagiline might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Although rasagiline with Flexabenz ER Capsule is not recommended, but it can be taken if your doctor has advised it. However, if you experience fever, palpitations, excessive sweating, muscle spasm, or diarrhea, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineVilazodone
Severe
How does the drug interact with Flexabenz ER Capsule:
Taking Flexabenz ER Capsule with Vilazodone might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Taking Flexabenz ER Capsule with Vilazodone can possibly lead to an interaction. It can be taken if prescribed by doctor. However, if you experience fever, palpitations, excessive sweating, muscle spasm, or diarrhea, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineNortriptyline
Severe
How does the drug interact with Flexabenz ER Capsule:
Taking Flexabenz ER Capsule with Nortriptyline might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Taking Flexabenz ER Capsule with Nortriptyline can possibly lead to an interaction. It can be taken if prescribed by doctor. However, if you experience fever, palpitations, excessive sweating, muscle spasm, or vomiting, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineAmoxapine
Severe
How does the drug interact with Flexabenz ER Capsule:
Coadministration of Amoxapine with Flexabenz ER Capsule can increase the risk of developing side effects.

How to manage the interaction:
Although using Flexabenz ER Capsule and Amoxapine together may cause an interaction, they can be taken if prescribed by a doctor. Consult a doctor if you have symptoms such as palpitations, fever, excessive sweating, muscles stiffness, or stomach cramps. Do not discontinue any medications without consulting a doctor.
CyclobenzaprineNalbuphine
Severe
How does the drug interact with Flexabenz ER Capsule:
Coadministration of Flexabenz ER Capsule with Nalbuphine can increase the risk of developing side effects.

How to manage the interaction:
Although taking Flexabenz ER Capsule and Nalbuphine together can cause an interaction, it can be taken if your doctor has suggested it. However, if you experience dizziness, shortness of breath, palpitations, or chest discomfort, consult your doctor. Do not stop using any medications without talking to a doctor.
CyclobenzaprineDextromethorphan
Severe
How does the drug interact with Flexabenz ER Capsule:
Co-administration of Dextromethorphan and Flexabenz ER Capsule might raise serotonin hormone levels which can increase the risk of developing side effects.

How to manage the interaction:
Although there is a possible interaction between Dextromethorphan and Flexabenz ER Capsule, you can take these medicines together if prescribed by a doctor. However, if you experience fever, palpitations, excessive sweating, shivering, muscle spasm, or vomiting, contact a doctor immediately. Do not discontinue the medications without consulting a doctor.
CyclobenzaprineMethadone
Severe
How does the drug interact with Flexabenz ER Capsule:
Co-administration of Flexabenz ER Capsule with Methadone can increase the risk of developing side effects.

How to manage the interaction:
Co-administration of Flexabenz ER Capsule with Methadone can possibly result in an interaction, but it can be taken if your doctor has advised it. If you notice any symptoms like dizziness, weakness, shortness of breath, or palpitations, make sure to consult a doctor. Do not discontinue any medications without consulting a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Exercising regularly helps in muscle stretching so that they are less likely to spasm, tear, and sprain. Mild exercises such as jogging and walking are helpful for muscle stretching.
  • Massages can also be helpful.
  • Avoid contact with extreme cold and hot temperatures. 
  • Avoid wearing tight-fitting clothes, instead, wear loose garments.
  • Rest well, get plenty of sleep for at least 8 hours. 
  • To avoid developing pressure sores, change your position at least every two hours.
  • Hot or cold therapy can help treat muscle spasms. Apply an ice-pack or hot-pack on the muscle for 15-20 minutes.
  • Stay hydrated, drink plenty of water. 

Habit Forming

No

Therapeutic Class

SKELETAL MUSCLE RELAXANTS

Flexabenz ER Capsule Substitute

Substitutes safety advice

Product Substitutes

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Alcohol

Unsafe

Avoid consumption of alcohol while taking Flexabenz ER Capsule as it may increase drowsiness.

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Pregnancy

Caution

Avoid taking Flexabenz ER Capsule if you are pregnant unless prescribed by a doctor. Please consult your doctor if you have any concerns regarding this, your doctor will prescribe only if the benefits outweigh the risks.

bannner image

Breast Feeding

Caution

Very-small amounts of Flexabenz ER Capsule pass into breast milk. However, consult your doctor before taking Flexabenz ER Capsule , your doctor will decide whether Flexabenz ER Capsule can be taken by breastfeeding mothers or not.

bannner image

Driving

Caution

Flexabenz ER Capsule causes sleepiness and drowsiness. Do not drive or operate machinery unless you are alert.

bannner image

Liver

Caution

Dose adjustment may be needed in patients with liver impairment. Please consult your doctor if you have a liver impairment or any concerns regarding this.

bannner image

Kidney

Caution

Dose adjustment may be needed in patients with kidney impairment. Please consult your doctor if you have kidney impairment or any concerns regarding this.

bannner image

Children

Unsafe

Flexabenz ER Capsule is not allowed in children below 15 years as safety and efficacy of Flexabenz ER Capsule are not established.

Have a query?

FAQs

Flexabenz ER Capsule is used to reduce and relieve the muscle spasm or excessive muscle tension occurring in various illnesses.

Flexabenz ER Capsule is a muscle relaxant that should be used together with rest and physical therapy to get maximum results.

A person should not take Flexabenz ER Capsule if they are allergic to a medicinal component present in it. If they have a certain thyroid disorder (hyperthyroidism), a heart rhythm disorder, or you have recently had a heart attack and heart block, congestive heart failure. If a person has taken an MAO inhibitor in the past 14 days, they should not take Flexabenz ER Capsule to cause serious drug interaction.

Flexabenz ER Capsule belongs to the group of medicines called muscle relaxants, it relieves muscle spasm through action on the central nervous system at the brain stem and helps relieve pain, and improves muscle movements. Flexabenz ER Capsule works on the spinal cord and brain centres, thereby maintaining muscle strength and relieving muscle spasms or stiffness.

Flexabenz ER Capsule causes sleepiness and drowsiness. So, drive only if you are alert and omit driving or operating machinery if you feel sleepy or drowsy.

Dry mouth could be a side-effect of Flexabenz ER Capsule . Limiting caffeine intake, avoiding smoking and mouthwashes containing alcohol, drinking water regularly, and chewing sugar-free gum/candy might stimulate saliva and prevent drying of the mouth.

Flexabenz ER Capsule may cause side effects such as blurred vision, dizziness, drowsiness, or lightheadedness, dryness of the mouth. Most of these side-effects do not require medical attention and will resolve gradually over time. However, you are suggested to talk to your doctor if you experience these side-effects persistently.

Drinking alcohol with Flexabenz ER Capsule may cause increased sleepiness, drowsiness, and difficulty in concentrating. Hence, avoid alcohol consumption while taking Flexabenz ER Capsule .

Flexabenz ER Capsule starts working within 30-60 minutes of taking the medicine and helps relieve muscle spasms.

No, Flexabenz ER Capsule is not a painkiller. It is a muscle relaxant used to relieve muscle spasms.

Country of origin

India

Manufacturer/Marketer address

Atlanta Arcade, Marol Church Road, Andheri (East), Mumbai - 400059, INDIA.
Other Info - FLE0074

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Author Details

Dr Aneela SiddabathuniDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Jul 18, 2025 | 6:40 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

Reference

  1. https://www.drugs.com/cyclobenzaprine.html
  2. https://www.accessdata.fda.gov/drugsatfda_docs/label/2007/021777lbl.pdf

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