A nurse is caring for a client who has a chlamydial infection and a new prescription for doxycycline. The client reports nausea and vomiting after starting the medication. Which of the following recommendations should the nurse make?

A. Incorrect. Taking doxycycline with calcium-fortified orange juice can reduce the absorption of the medication, as calcium can interfere with its absorption. B. Incorrect. Taking the medication with an antacid can also interfere with the absorption of doxycycline by reducing stomach acidity. C. Correct. Taking the medication with crackers or a small snack can help alleviate nausea and vomiting that can occur with doxycycline. D. Incorrect. Lying down after taking the medication may increase the risk of gastric upset and nausea.