ROKO Capsule is used in treatment or management of Diarrhoea. Learn more about its uses, side effects, dosage, composition, price and order it online from PharmEasy with fast delivery and extra discount. Roko 2mg Capsule is used to control diarrhea. View Roko 2mg Capsule 10'S uses, substitutes, side effects, composition, directions for use, drug interactions, precautions and buy online at best price. ROKO is used for Diarrhea. Know it’s uses, side effects, reviews, composition and precautions only on 1mg. Roko 2 mg capsule is an anti-diarrheal agent that attaches to opioid receptors in the gut wall, reducing motility and increasing transit time. This leads to increased absorption of water and electrolytes, resulting in firmer stools and a reduction in the frequency and volume of bowel movements.