Gastrointestinal tract: Epigastralgia, heartburn, other gastrointestinal disorders, such as appetite loss, nausea, vomiting, diarrhea, slight gastrointestinal bleeding.
Rarely: gastrointestinal bleeding (also concealed), haematemesis, melaena, peptic ulcers with or without bleeding or perforation, sanguinodiarrhoea.
In isolated instances: symptoms in the lower abdominal region (e.g. unspecific bleeding colitis and worsening of ulcerative colitis or Crohn's syndrome), pancreatitis, aphthous stomatitis, glossitis, lesions of the oeosophagus, constipation.
Central nervous system: Headache, giddiness, tiredness, drowsiness.
Rarely: agitation, somnolence, restlessness.
In isolated instances: impairment of vision (e.g. blurred vision, double vision), disorientation, impaired hearing (e.g. tinnitus), insomnia, irritability, spasms, parasthesia, impaired memory, depression, anxiety feelings, nightmares, tremors, psychotic reactions, impaired sensation of taste.
Skin: Exanthem, rash.
Rarely: urticaria, pruritus.
In isolated instances: reversible alopecia, bulbous eruptions, eczema, erythema exudativum multiforme, Stevens-Johnson syndrome, Lyell's syndrome, photosensitisation, erythrodermia, purpura including allergic purpura.
Kidneys: Rarely: Renal insufficiency, acute renal failure, haematuria.
In isolated instances: interstitial nephritis, nephrotic syndrome, papillary necrosis.
Liver: Rarely: hepatic dysfunctions of various degrees of severity, transitory transaminase increase, hepatitis (including urticaria), fulminating in some cases.
Blood: In isolated instances: thrombocytopenia, purpura, leucopenia, agranulocytosis, haemolytic or aplastic anemia, panmyelopathy.
Other organ systems: Rarely: sodium and water retention, peripheral oedema, hypertension, palpitations, chest pains, hypersensitivity reactions (anaphylactic or pseudo-anaphylactic systemic reactions including hypertension up to shock bronchospasm).