Alga-an (De-xtro-prop-oxyene) is a pai-n redu-cing opi-oid. It is use-d to tre-at m-ello-w to -direct p-ain and as an op-posit-ion tu-ss-ive. It can be u-sed to sim-plic-ity surgi-cal p-ain. It is c-oncei-vable to ord-er it as a mel-low op-ioid to-rment exec-utio-ner, on the othe-r hand, it is consi-dere--d as no m-ore stro-ng than h-eadache- drug in tre--ating p-ain.