Qualaquin, or quinine, is a prescription drug that is in the antimalarial quinolones drug class. Qualaquin is used to treat malaria; however, this prescription medication is not used in order to prevent the contraction of malaria. Qualaquin most commonly comes in the form of an oral dosage. Qualaquin comes in the form of a capsule in order to get the medication into the bloodstream. It is important to be diligent with your taking of Qualaquin so that the treatment of malaria is consistent throughout the seven days that Qualaquin is normally taken for.