A nurse in an outpatient clinic is providing education to a client who has alcohol use disorder and a prescription for disulfiram. Which of the following statements should the nurse include in the teaching?

"Once you stop taking disulfiram, you may resume alcohol consumption."

"You must avoid even small amounts of alcohol while taking disulfiram."

"It is common for you to develop an intractable headache when you first take disulfiram."

"Disulfiram works by changing the way that alcohol tastes."