Possible dry mouth, nausea, vomiting, epigastric pain, drowsiness, fatigue, decreased speed of psychomotor reactions, increased excitability, palpitations, increased blood pressure, dizziness, sleep disorders, mydriasis, paresis of accommodation, increased intraocular pressure, urinary retention, allergic reaction,anemia, thrombocytopenia, leukopenia, agranulocytosis, with prolonged use of high doses - hepatotoxic and nephrotoxic effects, hemolytic anemia, methemoglobinemia, pancytopenia are possible.