Thirikadugu / Thirikadugam / Trikatu churna is an ancient Siddha herbal drug made in a perfect blend by is an effective antioxidant, combats the free radicals released by the body hence terminate the chain reaction before it damages the body. All ingredients include antibacterial, anti-fungal, antimicrobial properties hence it is an immune natural booster. Mainly used in the treatment of respiratory disorders.