Steroids Salty foods increase fluid retention. Increase intake of foods high in calcium, vitamin K, potassium, and protein to avoid deficiencies. Thyroid drugs Iodine-rich foods lower the drug's efficacy. Frequent use of these drugs lowers the absorption of folate and vitamin C. Codeine Increase fiber and water intake to avoid constipation. Sleeping Pills, Tranquilizers Benzodiazepines Never take with alcohol.
Caffeine increases anxiety and reduce drug's efficacy.