Allergic reactions:
urticaria, photosensitivity, skin rash, itching, anaphylactic shock.
From the nervous system:
drowsiness, nervousness, insomnia, euphoria, general weakness, fatigue, sedation, loss of attention, headache, impaired coordination, anxiety, increased excitability (especially in children), irritability, confusion, consciousness, tremor, neuritis, convulsions, paresthesia, impaired vision, diplopia, acute labyrinthitis, tinnitus, can provoke an epileptiform attack.
From the digestive system:
dry mouth, short-term numbness of the oral mucosa, anorexia, diarrhea, constipation, nausea, epigastric distress, vomiting.
From the respiratory system:
dryness of the mucous membrane of the mouth, nose, bronchi (increased viscosity of sputum), tightness in the chest.
From the hematopoiesis:
hemolytic anemia, thrombocytopenia, agranulocytosis.
From the side of the cardiovascular system and blood:
hypotension, palpitation, tachycardia, extrasystole, agranulocytosis, thrombocytopenia, hemolytic anemia.
From the urinary system:
disturbances of urination.
Other:
sweating, chills, photosensitivity.