Like all medicines, this medicine can cause side effects, although not everybody gets them.
Common (may affect up to 1 in 10 people):
- Stomach pain, heartburn, nausea, vomiting, diarrhea, indigestion, wind, loss of appetite
- Headache, dizziness, vertigo
- Skin rash or spots
- Raised levels of liver enzymes in the blood.
Uncommon (may affect up to 1 in 100 people):
- Fast or irregular heart beat (palpitations), chest pain, heart disorders, including heart attack or breathlessness, difficulty breathing when lying down, or swelling of the feet or legs (signs of heart failure), especially if you have been taking a higher dose (150 mg per day) for a long period of time.
Rare (may affect up to 1 in 1,000 people):
- Stomach ulcers or bleeding (there have been very rare reported cases resulting in death, particularly in the elderly)
- Gastritis (inflammation, irritation or swelling of the stomach lining)
- Vomiting blood
- Diarrhoea with blood in it or bleeding from the back passage
- Black, tarry faeces or stools
- Drowsiness, tiredness
- Skin rash and itching
- Fluid retention, symptoms of which include swollen ankles
- Liver function disorders, including hepatitis and jaundice
- Asthma (symptoms may include wheezing, breathlessness, coughing and a tightness across the chest).
Very rare (may affect up to 1 in 10,000 people):
Effects on the nervous system:
Inflammation of the lining of the brain (meningitis), tingling or numbness in the fingers, tremor, visual disturbances such as blurred or double vision, taste changes, hearing loss or impairment, tinnitus (ringing in the ears), sleeplessness, nightmares, mood changes, depression, anxiety, irritability, mental disorders, disorientation and loss of memory, fits, headaches together with a dislike of bright lights, fever and a stiff neck.
Effects on the stomach and digestive system:
Constipation, inflammation of the tongue, mouth ulcers, inflammation of the inside of the mouth or lips, lower gut disorders (including inflammation of the colon or worsening of ulcerative colitis or Crohn’s disease), inflammation of the pancreas.
Effects on the chest or blood:
Hypertension (high blood pressure), hypotension (low blood pressure, symptoms of which may include faintness, giddiness or light headedness), inflammation of blood vessels (vasculitis), inflammation of the lung (pneumonitis), blood disorders (including anaemia).
Effects on the liver or kidneys:
Kidney or severe liver disorders including liver failure, presence of blood or protein in the urine.
Effects on skin or hair:
Facial swelling, serious skin rashes including Stevens-Johnson syndrome, Lyell’s syndrome and other skin rashes which may be made worse by exposure to sunlight.
Hair loss.
Effects on the reproductive system:
Impotence.