Treating Yeast Infestions with Nystatin Jul 8, 2018 12:18:12 GMT -5 seminolewind, maryellen, and 1 more like this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by casportpony on Jul 8, 2018 12:18:12 GMT -5 Medistatin (Nystatin 400,000 IU/g)The dose is 300,000 IU/kg two to three times a day orallyA five-pound bird should get ~0.6 teaspoons two to three times a day orally.