COARTEM 20/120mg is indicated for the treatment of uncomplicated malaria caused by Plasmodium falciparum, contraindicated in patients with a history of hypersensitivity to artemether or lumefantrine, may cause side effects such as headache, dizziness, and gastrointestinal disturbances, and can interact with drugs that affect liver enzymes, potentially altering the metabolism of either COARTEM or the interacting medications.