A nurse is teaching a client who has a new prescription for isoniazid. Which of the following information should the nurse include in the teaching?

"You will need to have frequent sputum tests to monitor the effectiveness of the medication."

"You will be able to stop taking this medication after a month."

"You can take an antacid containing aluminum at the same time as this medication."

"You can expect to have constipation while taking this medication."