Assignment Task: Mr. Cruz has been taking betaxolol 20 mg orally daily to treat his hypertension. He arrives for a routine follow-up and expresses dissatisfaction because he feels "weak, dizzy, and tired when taking the drug."
1. What adjustments can be made to help Mr. Cruz deal with the adverse effects of betaxolol?
2. Further investigation has determined that Mr. Cruz's symptoms have increased since he started taking ginseng. What are the drug-drug interactions for patients taking ginseng and betaxolol?