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Synflex 550mg is a nonsteroidal anti-inflammatory drug, which contains Naproxen Sodium. It is used commonly used as a painkiller.

Some other uses of Synflex Tablet are:

  • rheumatoid arthritis (an autoimmune condition with joint inflammation)
  • osteoarthritis (inflammation in the bones)
  • Ankylosing spondylosis (an inflammatory condition that results in the fusion of bones in your spine)
  • Musculoskeletal disorders
  • Acute gout (a complex form of arthritis)
  • Dysmenorrhea (painful menstrual cramps)
  • Migraine 
  • Post-operative pain

Safety Information/Precautions


Please take precaution and consult your doctor before taking Synflex if you have any of the following conditions:

  • Kidney and liver impairment
  • Asthma, allergy
  • cardiovascular risk factors
  • increased blood pressure
  • congestive heart failure
  • hypovolemia (low extracellular fluid in the body)
  • ulcerative colitis (inflammatory bowel disease)
  • visual disturbances
  • Crohn’s disease (Inflammatory bowel disease)
  • SLE (autoimmune disease) 

When not to use

This medicine is contraindicated in the following cases:

  • Aspirin/anti-inflammatory induced allergy,
  • Stomach and intestinal ulcers,
  • Severe heart failure history,
  • Hemorrhage (blood leakage),
  • Bleeding diathesis (unusual susceptibility to bleed),
  • Liver and kidney disorders

Side effects

Some potential side effects of using Synflex are:

  • GI upset
  • Bleeding and ulceration
  • Abdominal pain, skin and
  • Hypersensitivity reactions
  • Headache
  • Dizziness
  • Tinnitus (ringing in the ear)
  • Vertigo (head-spinning)
  • Blood disorders
  • Altered LFTs (inadequate liver profile)
  • Edema (swelling)
  • Hypertension (increased blood pressure)
  • Cardiac failure
  • CNS disturbance (decreased nervous system response)
  • Headache
  • Fatigue
  • Dyspnea (shortness of breath)
  • Impaired hearing
  • Visual disturbances


Dawaai's intention is to make sure that it's consumers get information that is accurate, reviewed by an expert and error-free. However, the information mentioned here should not be used as a replacement for the advice of a qualified physician. The information given here is for informational purposes only, which may not cover all possible precautions, side effects, contraindications or drug interactions. Consult your doctor and discuss your queries related to any medicine or disease.


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