Excess potassium may result in irregular heartbeat and heart palpitations. When taking triamterene, avoid eating large amounts of potassium-rich foods such as bananas, oranges and green leafy vegetables, or salt substitutes that contain potassium. Beta blockers decrease the nerve impulses to the heart and blood vessels. This decreases the heart rate and the work load of the heart. Avoid alcohol because it may add to the blood vessel-relaxing effect of nitrates and result in dangerously low blood pressure.
Food can decrease the absorption of captopril and moexipril.
So take captopril and moexipril one hour before or two hours after meals. ACE inhibitors may increase the amount of potassium in your body. Too much potassium can be harmful. Avoid eating large amounts of foods high in potassium such as bananas, green-leafy vegetables, and oranges. Some of these drugs also lower triglycerides.