Isosorbide mononitrate is prescribed for a client with angina pectoris. The client tells the nurse that the medication is causing a chronic headache. Which action should the nurse suggest to the...

Isosorbide mononitrate is prescribed for a client with angina pectoris. The client tells the nurse that the medication is causing a chronic headache. Which action should the nurse suggest to the client?

1. Cut the dose in half. 2. Discontinue the medication. 3. Take the medication with food. 4. Contact the primary health care provider (PHCP).