Sumatriptan Succinate Injection 6 mg/0.5 mL Single-Dose Vial 5 ml by Eugia US (RX)Sumatriptan Succinate Injection is a medication used primarily for the acute treatment of migraine headaches and cluster headaches. It is part of the triptan class of drugs and works by stimulating serotonin receptors in the brain, which constricts blood vessels and reduces inflammation, thereby alleviating headache symptoms. Active Ingredient: Sumatriptan succinate. Concentration: 6 mg of sumatriptan per 0. 5 mL of solution. Formulation: Injectable