Adrenergic Blocking Antagonists

Adrenergic Blocking Antagonists

Discussion Topics, Chapter 31, Adrenergic Blocking Antagonists

Discussion Topics

Learning Objective(s)

1. Mr. Rodriguez is a 50 year old male with diabetes. He has been diagnosed with hypertension and congestive heart failure and is prescribed carvedilol (Coreg) 6.25 mg orally b.i.d.

a. What are the key teaching points for Mr. Rodriguez about carvedilol?

b. Explain why carvedilol is better than guanadrel to treat Mr. Rodriguez for his combined hypertension and congestive heart failure.

2. Mr. Caraglione 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.”

a. What adjustments can be made to help Mr. Caraglione deal with the adverse effects of betaxolol?

b. Further investigation has determined that Mr. Caraglione’s symptoms have increased since he started taking ginseng. What are the drug-drug interactions for patients taking ginseng and betaxolol?