Common Nausea, Vomiting, Increased heart rate, Rash, Decreased potassium level in blood, Paresthesia (tingling or pricking sensation), Breathlessness, Dizziness, Injection site pain, Increased liver enzymes, Increased glucose level in blood, Fever, Diarrhoea, Fatigue, Itching.

Expert advice for Arsenox Injection
Inform your doctor before taking the medicine if you have kidney or liver disease or abnormal heart rhythms (evident from ECG).Ensure that appropriate blood tests are conducted for measurement of blood calcium, potassium and creatinine, before and during treatment with arsenic trioxide.Ensure that ECG recordings are conducted before and during treatment with arsenic trioxide.Make sure you use effective contraception while taking arsenic trioxide to prevent pregnancy.Consult your doctor before taking the drug if you are pregnant, planning to become pregnant or breast-feeding.