Post-treatment haemolytic anaemia in travellers, mild & transient decrease in reticulocyte count. Post-treatment haemolytic anaemia in endemic areas. Dizziness, light-headedness, headache, insomnia, tinnitus (w/ or w/o decrease in auditory function); cough &/or nasal symptoms; altered taste, nausea, vomiting, abdominal pain or cramps, diarrhoea; rash, alopecia; arthralgia, muscle disorders; fatigue, malaise, fever, inj site pain.