The roxithromycin that is taken by capsule is roxithromycin capsule or roxithromycin extended release capsule. The specifications of roxithromycin capsules are 150mg per capsule, 75mg per capsule and 50mg per capsule, usually the adult dose is 150mg per capsule, that is, 1 capsule per capsule of 150mg, 2 capsules per capsule of 75mg, 3 capsules per capsule of 50mg, 2 times a day. In case of severe infection, you can also take 300mg each time, that is, 2 capsules of 150mg, 4 capsules of 75mg and 6 capsules of 50mg, only once a day. Roxithromycin extended-release capsules are 150mg per capsule and adults take 2 capsules of 300mg each time, once a day. For children taking roxithromycin capsules, it is important to calculate the dosage of each time according to body weight, 2.5-5mg/kg each time, 2 times a day. Choose a capsule that is closer to your child’s dosage, for example, if your child weighs 24kg and the dosage range is 60-120mg per time, you can choose 75mg per capsule and take 1 capsule each time. For children taking roxithromycin extended-release capsules, the dosage is 5-10mg/kg each time, once a day. For children weighing 24kg with a dosage range of 120-240mg, just take 1 capsule of 150mg of roxithromycin extended-release capsules each time, only once a day.