Like all medicines, Diclofenac potassium tablets can cause side effects, although not everybody gets them.
STOP TAKING the medicine and tell your doctor if you experience:
- Any type of fit or seizure
- An unexpected change in the amount of urine produced and/or its appearance
Tell your doctor if you experience any of the following symptoms:
Common (occurs in less than 1 in 10 people): headache, dizziness, ’spinning’ sensation, diarrhoea, loss of weight or poor appetite, abnormal liver function tests, skin rashes
Rare (occurs in less than 1 in 1000 people): drowsiness, tiredness, stomach ulcers or bleeding, hepatitis, itching, fluid retention (symptoms of which include swollen ankles)
Very rare (occurs in less than 1 in 10 000 people: ‘pins and needles’, tremor, blurred or double vision, hearing loss or impairment, tinnitus (ringing in the ears), difficulty sleeping, nightmares, depression, irritability, anxiety, psychotic reactions, disorientation, loss of memory, numbness, sensitivity to light, taste disturbance, constipation, inflammation of the tongue, mouth ulcers, ulcers of the gullet, lower gut disorders (including inflammation of the colon causing diarrhoea and stomach pains), palpitations (fast or irregular heart beat), chest pain, high blood pressure, inflammation of blood vessels (vasculitis), inflammation of the lung (pneumonitis), congestive heart failure, blood disorders (including anaemia, making you tired and more prone to minor infections or bleeding), kidney or liver disorders, presence of blood or protein in the urine, skin rash, itching, skin eruptions, eczema, Erythema Multiforme (round red patches on the skin), Stevens-Johnson-Syndrome (severe skin rash with flushing, fever, blisters and ulcers), or Lyell’s Syndrome (severe rash with reddening, peeling and swelling of skin that looks like severe burns), hair loss, pancreatitis (inflammation of the pancreas), worsening of ulcerative colitis or Crohn’s disease, impotence (difficulty getting an erection).
Medicines such as Diclofenac potassium tablets may be associated with a small increased risk of heart attack (“myocardial infarction”) or stroke. If you have any of the side effects, or if you notice any side effects not mentioned in this leaflet, please inform your doctor or pharmacist.