Santotitralgin has analgesic, antipyretic, anti-inflammatory, antispasmodic, sedative effect. Combined drug that combines the properties of active ingredients. Metamizol sodium has a pronounced anti-inflammatory, antipyretic effect, analgesic activity, which is enhanced by codeine (blocks opiate receptors,stimulates the antinociceptive system and changes the emotional perception of pain). Phenobarbital has a sedative effect. Caffeine causes expansion of blood vessels of skeletal muscles, brain, heart, kidneys; increases mental and physical performance, helps to eliminate fatigue and drowsiness; increases blood pressure in hypotension; increases the permeability of histohematological barriers and increases the bioavailability of non-narcotic analgesics, thereby contributing to the enhancement of the therapeutic effect.