Active ingredient

Colistin sulfate

These 2 products sold in the Philippines list Colistin sulfate as an active ingredient. They are not necessarily interchangeable — concentration, the other ingredients, and the form all differ — but a reader paying three prices for three brands deserves to know they are buying the same molecule.

ProductBrandFormAmount statedWithdrawal
AmoxtinSagupaanpowder, water-soluble100,000 IU/gNot published by the manufacturer — ask your veterinarian or agrivet
Doxylak ForteLDItablet, water-soluble50,000 IU/gMeat: 12 days

Same molecule does not mean same dose or same suitability. Ask a veterinarian or agrivet before substituting one for another.