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  3. Fenak-SR Tablet 15's

Fenak-SR Tablet 15's, Pack of 15 TABLETS
Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Hari Kumar , MBBS
Non returnable*
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Whats That

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Synonym :

DICLOFENAC SODIUM, DICLOFENAC POTASSIUM

Composition :

DICLOFENAC-100MG

Manufacturer/Marketer :

Ranbaxy Laboratories Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

About Fenak-SR Tablet 15's

Fenak-SR Tablet 15's belongs to a group of medicines called non-steroidal anti-inflammatory drugs (NSAIDs) used to relieve pain and inflammation associated with migraine, muscle pain, dental pain, rheumatoid arthritis, ankylosing spondylitis, osteoarthritis, gout, strain, and sprain. Pain is an unpleasant sensation and emotional experience associated with tissue damage. 

Fenak-SR Tablet 15's contains Diclofenac which works by blocking the effect of an enzyme called cyclo-oxygenase (COX) that produces prostaglandins responsible for the sense of pain and inflammation. Thereby, Fenak-SR Tablet 15's provides relief from pain and inflammation.

Fenak-SR Tablet 15's should be taken as prescribed. This medicine may cause certain side effects such as stomach pain, heartburn, nausea, vomiting, diarrhea, indigestion, loss of appetite, headache, and dizziness. Most of these side effects do not require medical attention and gradually resolve over time. However, if the side effects are persistent, reach out to your doctor.

Fenak-SR Tablet 15's should be avoided if allergic to it. Inform your doctor if you have stomach ulcers, gastric bleeding, severe heart failure, high blood pressure and liver or kidney disease before taking Fenak-SR Tablet 15's. Consult your doctor if you are pregnant, planning for pregnancy or breastfeeding. Fenak-SR Tablet 15's may cause dizziness; therefore, drive only if you are alert. Avoid alcohol consumption as it may cause increased dizziness and stomach irritation. Fenak-SR Tablet 15's is not recommended for use in children below 12 years of age as the safety is not established.

Uses of Fenak-SR Tablet 15's

Pain and inflammation

Directions for Use

Fenak-SR Tablet 15's should be taken with food to avoid stomach upset. Swallow this medicine as a whole with water. Do not crush or chew it.

Medicinal Benefits

Fenak-SR Tablet 15's belongs to a group of medicines called non-steroidal anti-inflammatory drugs (NSAIDs). Fenak-SR Tablet 15's relieves mild to moderate pain, swelling and joint stiffness caused due to arthritis. It is also helpful in the conditions of acute migraine, muscle pain, dental pain, gout, sprain, and strain. Fenak-SR Tablet 15's works by blocking the effect of an enzyme called cyclo-oxygenase (COX) that produces prostaglandins responsible for the sense of pain and inflammation.

Storage

Keep Fenak-SR Tablet 15's out of the sight and reach of children.
Side effects of Fenak-SR Tablet
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 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.
  • Limit processed foods and eat more vegetables and fruits.
  • Exercise at least 30 minutes every day.
  • Maintain a healthy weight.
  • Quit smoking as it can worsen kidney damage.
  • Control your blood pressure and blood glucose.
  • Limit salt intake and alcohol consumption.
Here are the few steps for dealing with itching caused by drug use:
  • Report the itching to your doctor immediately; they may need to change your medication or dosage.
  • Use a cool, damp cloth on the itchy area to help soothe and calm the skin, reducing itching and inflammation.
  • Keep your skin hydrated and healthy with gentle, fragrance-free moisturizers.
  • Try not to scratch, as this can worsen the itching and irritate your skin.
  • If your doctor prescribes, you can take oral medications or apply topical creams or ointments to help relieve itching.
  • Track your itching symptoms and follow your doctor's guidance to adjust your treatment plan if needed. If the itching persists, consult your doctor for further advice.
  • Include iron-rich foods like dark leafy vegetables, lean red meat, legumes and fish in your diet.
  • Consume vitamin C-rich foods as they aid iron absorption.
  • Limit tea, cocoa, and coffee as these can slow iron absorption.
  • Exercise regularly; however, do not overdo it.
Here are the steps to manage the medication-triggered Sinusitis (Sinus infection or Inflammation Of Sinuses):
  • Consult your doctor if you experience symptoms of sinusitis, such as nasal congestion, facial pain, or headaches, which may be triggered by your medication.
  • Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your sinusitis symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • If your doctor advises, you can use nasal decongestants or saline nasal sprays to help relieve nasal congestion and sinus pressure.
  • To help your body recover, get plenty of rest, stay hydrated, and engage in stress-reducing activities. If your symptoms persist or worsen, consult your doctor for further guidance.
Here are the steps to manage the medication-triggered Upper respiratory tract infection:
  • Inform your doctor about the symptoms you're experiencing due to medication.
  • Your doctor may adjust your treatment plan, which could include changing your medication, adding new medications, or offering advice on managing your symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • Stay hydrated by drinking plenty of fluids to help loosen and clear mucus from your nose, throat, and airways.
  • Get plenty of rest and engage in stress-reducing activities to help your body recover. If your symptoms don't subside or worsen, consult your doctor for further guidance.

Drug Warnings

Avoid taking Fenak-SR Tablet 15's if you are allergic to any of its components. Avoid taking Fenak-SR Tablet 15's if you have recently had heart bypass surgery as it may increase the risk of heart attack or stroke. Be cautious as Fenak-SR Tablet 15's may also increase the risk of stomach or intestinal bleeding. Inform your doctor if you have stomach ulcers, gastric bleeding, severe heart failure, high blood pressure and liver or kidney disease. If you have/had a severe allergy to painkillers and have conditions like asthma, rhinitis, angioedema (swelling under the skin) or skin rashes, do not take Fenak-SR Tablet 15's. Fenak-SR Tablet 15's not recommended for children under 12 years of age. Consult your doctor if you are pregnant or breastfeeding.

Drug-Drug Interactions

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DiclofenacMeloxicam
Critical
DiclofenacIbrutinib
Severe

Drug-Drug Interactions

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DiclofenacMeloxicam
Critical
How does the drug interact with Fenak-SR Tablet:
Co-administration of Fenak-SR Tablet with Meloxicam can increase the risk or severity of gastrointestinal side effects.

How to manage the interaction:
Taking Meloxicam with Fenak-SR Tablet is not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, severe headache, and weakness. Do not stop any medication without doctor's advise.
DiclofenacIbrutinib
Severe
How does the drug interact with Fenak-SR Tablet:
Taking Fenak-SR Tablet with Ibrutinib can increase the risk of bleeding tendencies.

How to manage the interaction:
There may be a possible interaction between Fenak-SR Tablet and Ibrutinib, but they can be taken together if a doctor has prescribed them. However, consult a doctor immediately if you experience any unusual bleeding, dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, or severe headaches. Do not discontinue any medications without consulting a doctor.
DiclofenacEnoxaparin
Severe
How does the drug interact with Fenak-SR Tablet:
Taking Fenak-SR Tablet with Enoxaparin can increase the risk of bleeding complications.

How to manage the interaction:
There may be a possible interaction between Fenak-SR Tablet and Enoxaparin, but they can be taken together if your doctor has prescribed them. However, consult your doctor immediately if you experience any unusual bleeding or bruising, swelling, vomiting, blood in your urine or stools, headache, dizziness, or weakness. Do not discontinue any medications without consulting a doctor.
DiclofenacRivaroxaban
Severe
How does the drug interact with Fenak-SR Tablet:
Co-administration of Rivaroxaban together with Fenak-SR Tablet may increase the risk of unsual bleeding.

How to manage the interaction:
Co-administration of Fenak-SR Tablet and Rivaroxaban can lead to an interaction; it can be taken if advised by your doctor. However, if you experience any symptoms like unusual bleeding or bruising, dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, severe headache, and weakness, consult your doctor immediately. Do not stop using any medications without a doctor's advice.
DiclofenacValdecoxib
Severe
How does the drug interact with Fenak-SR Tablet:
Taking Valdecoxib with Fenak-SR Tablet may increase risk of side effects.

How to manage the interaction:
There may be a possible interaction between Fenak-SR Tablet and Valdecoxib but can be taken if prescribed by doctor. However, consult your doctor immediately if you experience any unusual bleeding or bruising or have other signs and symptoms of bleeding such as dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, severe headache, and weakness. Do not stop any medications without consulting a doctor.
DiclofenacCidofovir
Severe
How does the drug interact with Fenak-SR Tablet:
Coadministration of Fenak-SR Tablet with cidofovir may increase the risk of kidney problems.

How to manage the interaction:
Although taking Fenak-SR Tablet and cidofovir together can possibly cause an interaction, it can be taken if your doctor has suggested it. However, if you experience nausea, vomiting, loss of hunger, increased or decreased urination, sudden weight gain or loss, fluid retention, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, or an irregular heart rhythm, consult a doctor. Do not discontinue any medications without consulting a doctor.
DiclofenacMipomersen
Severe
How does the drug interact with Fenak-SR Tablet:
Co-administration of Fenak-SR Tablet with Mipomersen may cause liver problems.

How to manage the interaction:
Co-administration of Fenak-SR Tablet and Mipomersen can lead to an interaction, it can be taken if advised by your doctor. However, if you experience any symptoms like fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of hunger, fatigue, nausea, vomiting, abdominal pain, dark urine, pale stools, and/or yellowing of the skin or eyes. Do not discontinue any medications without consulting a doctor.
DiclofenacKetoconazole
Severe
How does the drug interact with Fenak-SR Tablet:
Coadministration of Fenak-SR Tablet with Ketoconazole may increase the risk of liver problems.

How to manage the interaction:
There may be a possible interaction between Fenak-SR Tablet and Ketoconazole, but they can be taken together if a doctor has prescribed them. However, consult a doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark colored urine, light colored stools, and/or yellowing of the skin or eyes. Do not discontinue any medications without consulting a doctor.
DiclofenacPonatinib
Severe
How does the drug interact with Fenak-SR Tablet:
Taking Fenak-SR Tablet with Ponatinib can increase the risk of bleeding complications.

How to manage the interaction:
There may be a possible interaction between Fenak-SR Tablet and Ponatinib, but they can be taken together if your doctor has prescribed them. However, consult your doctor immediately if you experience any unusual bleeding, dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, severe headaches. Do not discontinue any medications without consulting your doctor.
DiclofenacRamucirumab
Severe
How does the drug interact with Fenak-SR Tablet:
Co-administration of Fenak-SR Tablet and Ramucirumab can cause bleeding and ulcers.

How to manage the interaction:
Co-administration of Fenak-SR Tablet and Ramucirumab can lead to an interaction; it can be taken if advised by your doctor. However, if you experience any symptoms like unusual bleeding or bruising, dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood that looks like coffee grounds, severe headache, and weakness, consult your doctor immediately. Do not stop using any medications without a doctor's advice.

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

  • Include turmeric and fish oils as they help in reducing inflammation.
  • Please do not go for heavy exercise as it may increase joint pain in arthritis. Instead, you can do stretching, low impact aerobic exercises like walking on a treadmill, bike riding and swimming. You can also strengthen your muscle strength by lifting light weights.
  • Include fish like salmon, trout, tuna and sardines. These fishes are enriched with omega-3 fatty acids that ramp up inflammation.
  • Your sitting posture is important, especially when you have pain and inflammation conditions. Try to sit as little as possible and only for a short time (10-15 min). Use back support like a rolled-up towel at the back of the curve to minimise pain. Keep your knees and hips at a right angle. Besides this, you can use a footrest if required.
  • Adopting a healthy lifestyle coupled with a diet containing high proteins is the mainstay in the management of arthritic conditions.

Habit Forming

No

Therapeutic Class

ANALGESICS

Fenak-SR Tablet 15's Substitute

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Hari Kumar

Reviewed By

Hari Kumar

MBBS

Last Updated

Jul 8, 2025 | 9:28 AM IST

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Drug-Diseases Interactions

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

Drug-Diseases Interactions

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FAQs

Fenak-SR Tablet 15's works by blocking the effect of an enzyme called cyclo-oxygenase (COX) that produces prostaglandins responsible for the sense of pain and inflammation. Thereby, provides relief from pain and inflammation.

Fenak-SR Tablet 15's can be stopped if it is advised for short-term pain relief. In case, Fenak-SR Tablet 15's has been prescribed for long-term usage, it is advised to continue as advised by your doctor.

Fenak-SR Tablet 15's may cause dizziness in some patients. Drive only if you are alert after taking Fenak-SR Tablet 15's and omit driving if you feel dizzy.

No, Fenak-SR Tablet 15's is not indicated for stomach pain. If you have symptoms of stomach pain, contact your doctor.

Drug-Drug Interactions Checker List

  • NIMESULIDE
  • OXYPHENBUTAZONE
  • METAMIZOLE
  • WARFARIN
  • HYDROCHLOROTHIAZIDE
  • LITHIUM

Special Advise

 

Disease/Condition Glossary

Pain: It is an unpleasant sensation and emotional experience associated with tissue damage. Pain can be short-term (acute) or long-term (chronic). Perception of pain can differ from person to person, from tolerable to non-tolerable. 

Rheumatoid arthritis: Rheumatoid arthritis is a chronic inflammatory disorder affecting various joints (hands and feet). In this condition, the body's immune system attacks its own tissue (including joints). 

Ankylosing spondylitis: Ankylosing spondylitis is a rare type of arthritis that affects the spine and larger joints, causing extreme pain and stiffness. 

Osteoarthritis: It is a joint disease in which the two ends of the joints come together due to the breakdown of a protective covering called cartilage. Due to the absence of this protective covering, the joints rub against each other, leading to pain and stiffness. Symptoms include pain, stiffness, inflammation and tenderness.

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