Oxandrin is available in and 10 mg tablets. The daily adult dosage of Oxandrin is mg to 20 mg given in 2 to 4 divided doses. For children the total daily dosage of Oxandrin is less than .1 mg per kilogram body weight or less than .045 mg per pound of body weight; this drug should only be administered by specialists. Oxandrin may increase sensitivity to oral anticoagulants, and interact with oral hypoglycemic agents, adrenal steroids or ACTH. This drug should not be given during pregnancy. It is unknown if Oxandrin passes into breast milk. Oxandrin may affect milk production and it may harm a nursing infant. Breastfeeding while using Oxandrin is not recommended.