A nurse is reinforcing discharge teaching with a client who has a new prescription for rifampin.Which of the following information should the nurse include?

Choice A rationale:Rifampin does not typically cause insomnia.Choice B rationale:Rifampin can cause a red or orange discoloration of body fluids, including urine, not blue or green.Choice C rationale:It is recommended to take rifampin on an empty stomach, either 1 hour before or 2 hours after a meal.Choice D rationale:Unusual hair growth is not a known side effect of rifampin.