from the digestive system: NSAIDs - gastropathy (nausea, vomiting, abdominal pain, heartburn, decreased appetite, diarrhea, flatulence, pain and discomfort in the epigastric region), 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 gingival mucosa, aphthous stomatitis, pancreatitis, constipation, hepatitis;
from the respiratory system: shortness of breath, bronchospasm;
from the senses: hearing loss, ringing or noise in the ears, reversible toxic optic neuritis, blurred vision or diplopia, dryness and irritation of the eyes, edema of the conjunctiva and eyelids (allergic genesis), scotoma;
from the nervous system: headache, dizziness, insomnia, anxiety, nervousness and irritability, agitation, drowsiness, depression, confusion, hallucinations, rare - aseptic meningitis (usually in patients with autoimmune diseases);
from the cardiovascular system: development or exacerbation of congestive heart failure, tachycardia, increased blood pressure;
from the urinary system: acute renal insufficiency, allergic nephritis, nephrotic syndrome (edema), polyuria, cystitis; allergic reactions: skin rash (typically erythematous, urticaria), pruritus, angioedema, anaphylactoid reactions, anaphylactic shock, bronchoconstriction, fever, exudative erythema multiforme (including Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell's syndrome), eosinophilia , allergic rhinitis;
from the hematopoiesis: anemia (including hemolytic, aplastic), thrombocytopenia and thrombocytopenic purpura, agranulocytosis, leukopenia; other: increased sweating; 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.