<prompt> Counterfeit drug is ?Fake medicineContains the wrong ingredientThey have active ingredient in wrong doseAll the above  <response>: Ans. is d i.e., All the above Counterfeit medicine is fake medicine. It may be contaminated or contain the wrong or no active ingredient. They could have the right active ingredient but at the wrong dose. Counterfeit drugs are illegal and may be harmful to your health. 