A patient who has been taking tetracycline for a week tells you that a cheesy white substance on the gums and roof of the mouth has appeared. What is your best suggestion? A. “Drink at least 3 liters...

A patient who has been taking tetracycline for a week tells you that a cheesy white substance on the gums and roof of the mouth has appeared. What is your best suggestion?

A. “Drink at least 3 liters of water each day and avoid all dairy products while you are on this drug.”

B. “Go immediately to the emergency room because this is a sign of a serious allergic reaction.”

C. “Stop taking the drug and notify your prescriber because this is a sign of the beginning of an allergic reaction.”

D. “Brush your teeth at least three times a day and use mouthwash to help clear this yeast infection.”