A nurse is providing medication teaching about disulfiram for a client who has alcohol use disorder. Which of the following statements by the client indicates an understanding of the teaching?

A. Disulfiram is started after the client abstains from alcohol for at least 12 hours to prevent a severe reaction. B. Avoiding all products containing alcohol (e.g., cough syrups, mouthwash, aftershave) prevents a dangerous disulfiram–alcohol reaction, which can cause flushing, nausea, hypotension, and even cardiovascular collapse. C. Disulfiram is used short-term to support abstinence; it is not typically taken for years unless directed by a provider. D. Disulfiram is taken orally once daily, not by injection.