O.C.G.A. § 51-1-25: Furnishing of wrong article or medicine by vender of drugs and medicines.

If a vender of drugs and medicines, by himself or his agent, either knowingly or negligently furnishes the wrong article or medicine and damage accrues to the purchaser, his patients, his family, or his property from the use of the drug or medicine furnished, the vender shall be liable for the injury done.