Digitalis Avoid taking with milk and high fiber foods, which reduce absorption, increases potassium loss. Diuretics Increase the risk of potassium deficiency. Unless a doctor advises otherwise, don't take diuretics with potassium supplements or salt substitutes, which can cause potassium overload. Asthma Drugs Pseudoephedrine Avoid caffeine, which increase feelings of anxiety and nervousness. Theophylline Charbroiled foods and high protein diet reduce absorption.
Caffeine increases the risk of drug toxicity.
Avoid fatty foods, which decrease the drug's efficacy in lowering cholesterol. Cimetidine, fanotidine, sucralfate Avoid high protein foods, caffeine, and other items that increase stomach acidity. Hormone Preparations Oral contraceptives Salty foods increase fluid retention. Steroids Salty foods increase fluid retention. Increase intake of foods high in calcium, vitamin K, potassium, and protein to avoid deficiencies.