Adverse reactions related to the use of Strepfen are mainly related to distortion of taste perception and elements of paresthesia (burning, tingling or tingling). Possible ulceration of the oral mucosa.Unwanted side effects associated with NSAID drugs may occur when taking the drug inside at a dose of 50-100 mg 2-3 times a day (12-30 Strepfen tablets per day).
On the part of the gastrointestinal tract: dyspepsia (nausea, vomiting, heartburn, diarrhea), NSAIDs - gastropatnia, abdominal pain; abnormal liver function; with prolonged use in large doses - ulceration of the mucous membrane of the gastrointestinal tract, bleeding (gastrointestinal, gingival, hemorrhoidal).
From the cardiovascular system: increased blood pressure, tachycardia, heart failure.
From the hemopoiesis: rarely - anemia (iron deficiency, hemolytic, aplastic), agranulocytosis, leukopenia, thrombocytopenia.
On the part of the nervous system: headache, dizziness, drowsiness or insomnia, asthenia, depression, amnesia, tremor, agitation, rarely - ataxia, paresthesia, impaired consciousness.
From the side of the urinary system: tubulointerstitial nephritis, edematous syndrome, impaired renal function.
Allergic reactions: skin rash, itching, urticaria, bronchospasm, photosensitivity, Quincke's edema, anaphylactic shock.
Other: hearing loss, tinnitus, increased sweating.