Macdronic Inj 5 M g / 100 mL Vail is a pharmaceutical-grade injection commonly used in medical settings. Used in clinical and hospital settings; administered by healthcare professionals as an injectable therapy. Supplied by PakMeds, it comes from verified sources and is intended for professional and patient use under guidance. Caution: Use only under the supervision of a qualified healthcare professional. Store in a cool, dry place away from direct sunlight and keep out of reach of children.