Description:
Flexin 250mg Tablets contain Naproxen, a non-steroidal anti-inflammatory drug (NSAID) that provides powerful relief from pain, inflammation, and stiffness associated with various musculoskeletal and joint conditions.
It works by reducing prostaglandins — chemicals responsible for pain, fever, and inflammation — helping you feel better and move more comfortably.
Flexin is commonly prescribed for arthritis, back pain, menstrual cramps, tendonitis, and muscle injuries.
Ingredients:
Each tablet contains:
Drug Class:
Dosage Form:
Uses:
Flexin 250mg Tablets are used to treat:
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Rheumatoid arthritis and osteoarthritis
 
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Ankylosing spondylitis
 
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Backache and muscle pain
 
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Gout attacks
 
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Tendonitis and bursitis
 
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Menstrual pain (dysmenorrhea)
 
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Headache, toothache, and general pain relief
 
Dosage:
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Adults: 250–500mg initially, then 250mg every 6–8 hours as needed.
 
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Maximum dose: Do not exceed 1250mg per day.
 
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Children: Use only as directed by a physician.
 
Always follow your doctor’s prescribed dosage and duration.
In Case of Overdose:
Symptoms: Nausea, vomiting, drowsiness, confusion, dizziness, or stomach bleeding.
🚨 Action: Seek immediate medical help or go to the nearest emergency department.
Missed Dose:
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Take the missed dose as soon as you remember.
 
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Skip it if it’s close to your next dose.
 
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Do not double up doses to make up for one missed.
 
How To Use:
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Take with food or milk to reduce stomach irritation.
 
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Swallow whole with a glass of water — do not crush or chew.
 
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Take at the same time daily for consistent pain control.
 
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Do not take longer than recommended by your doctor.
 
When Not to Use:
Do not use Flexin if you:
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Are allergic to Naproxen, aspirin, or other NSAIDs.
 
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Have active peptic ulcers or stomach bleeding.
 
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Suffer from severe heart, kidney, or liver disease.
 
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Are in the last trimester of pregnancy.
 
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Have a history of asthma or nasal polyps caused by NSAIDs.
 
Side Effects:
Common:
Serious (seek medical help):
Precautions & Warnings:
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Take the lowest effective dose for the shortest duration.
 
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Avoid alcohol — it increases risk of stomach bleeding.
 
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Not suitable for long-term use without doctor supervision.
 
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Inform your doctor if you have hypertension, diabetes, or ulcers.
 
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May cause drowsiness — avoid driving or operating heavy machinery.
 
Drug Interactions:
Use with caution if taking:
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Aspirin or other NSAIDs
 
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Anticoagulants (warfarin) – risk of bleeding
 
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Corticosteroids
 
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Antihypertensives (ACE inhibitors, diuretics)
 
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Lithium or Methotrexate – may increase toxicity
 
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SSRIs or antidepressants – increased bleeding risk
 
Always inform your healthcare provider about any other medicines you use.
Storage/Disposal:
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Store below 30°C, in a cool, dry place away from sunlight and moisture.
 
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Keep out of reach of children.
 
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Do not use after the expiry date.
 
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Dispose of unused tablets properly — do not flush or throw in regular trash.
 
Control Drug:
Quick Tips:
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Always take after food to protect your stomach.
 
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Avoid alcohol and smoking while on this medication.
 
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Drink plenty of water to stay hydrated.
 
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If using long-term, regular liver and kidney function tests may be required.
 
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Stop use and see a doctor if you experience abdominal pain or black stools.