To amend the Federal Food, Drug, and Cosmetic Act to authorize compounding of drugs and devices under certain circumstances.

Pharmacy Compounding Act - Amends the Federal Food, Drug, and Cosmetic Act to make specified provisions of that Act inapplicable to a drug or device that is compounded by a licensed pharmacist, licensed physician, or other licensed practitioner authorized by State law to prescribe drugs or devices. Declares null and void a proposed rule concerning exceptions to good manufacturing practices for makers of positron emission tomography drug products and a guideline on the manufacture of such products. Prohibits another proposed regulation or guideline on those matters.