65 years old smoker male was admitted to a physician for feeling of dyspnea during long trips
walking, chest tightness and wheezing, fatigue, and palpitation. Those symptoms usually resolve at rest.
Also, he has mild peripheral oedema. He has BP of 160/110 mmHg. The physician prescribed the following

1-Coversyl 10 mg tab
One tablet daily at bedtime
2-Dilatrol 6.25 mg tab
Half tablet at morning
3-Lasilacton 50/20 mg tab
One tablet at morning

1-What is the most proper diagnosis?? Rationale.
2-Explain the role of each drug, and their interactions.
3-Mention the main side effects of those medications.