From the gastrointestinal tract (GIT): NSAIDs-gastropathy (abdominal pain, nausea, vomiting, heartburn, decreased appetite, diarrhea, flatulence, constipation, pain and discomfort in the epigastric region), rarely - ulceration of the gastrointestinal mucosa (in some cases complicated by perforation and bleeding); irritation, dryness of the oral mucosa or pain in the mouth, ulceration of the mucous membrane of the gums,aphthous stomatitis, pancreatitis, hepatitis.
From the central and peripheral nervous system: headache, dizziness, insomnia, anxiety, nervousness and irritability, psychomotor agitation, drowsiness, depression, confusion, hallucinations, rarely - aseptic meningitis (more often in patients with autoimmune diseases).
From the sense organs: hearing loss, ringing or noise in the ears, reversible toxic optic neuritis, blurred vision or diplopia, dry and irritated eyes, conjunctival edema and eyelids (allergic genesis), scotoma.
From the respiratory system: shortness of breath, bronchospasm.
From the cardiovascular system (SSS): heart failure, tachycardia, increased blood pressure.
From the urinary system: acute renal failure, allergic nephritis, nephrotic syndrome (edema), polyuria, cystitis.
Allergic reactions: skin rash (usually erythematous or urticaria), itchy skin, angioedema, anaphylactoid reactions, anaphylactic shock, bronchospasm, fever, multiform exudative erythema (incl.Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell's syndrome), eosinophilia, allergic rhinitis.
From the hematopoiesis: anemia (including haemolytic, aplastic), thrombocytopenia and thrombocytopenic purpura, agranulocytosis, leukopenia.
Other: increased sweating.
The risk of ulceration of the gastrointestinal mucosa, bleeding (gastrointestinal, gingival, uterine, hemorrhoidal), visual impairment (color vision, scotoma, amblyopia) increases with prolonged use in large doses.