Aliskiren
Aliskiren directly blocks renin at the rate-limiting step of the renin-angiotensin-aldosterone system (RAAS), suppressing plasma renin activity and reducing angiotensin I/II production.
Kitchen Food, Drink & Dietary Conflicts
Biochemical interactions with common foods, beverages & cooking ingredientsYou should try to avoid eating a high fat meal (foods such as fried foods or fast foods) when taking aliskiren with a meal. You should not use salt substitutes containing potassium or take potassium supplements without first talking with your doctor.
Potassium-Enriched Salt Substitutes (Low-Sodium Table Salt)
Provides 500-1400 mg potassium per 1/4 teaspoon. When renal potassium excretion is suppressed by ACE inhibitors, ARBs, or aldosterone antagonists (spironolactone), acute severe hyperkalemia (>6.5 mEq/L) can trigger sudden flaccid paralysis and fatal ventricular fibrillation.
High-Fat Meals, Greasy & Fried Foods
High-fat meals substantially alter gastrointestinal transit time and micellar partitioning, decreasing peak systemic drug concentration (Cmax) by up to 71% (as seen with Aliskiren) or delaying onset.
Prescription & OTC Drug Interactions (DDI)
Documented pharmacological conflicts & contraindicated co-prescriptionsNSAIDs (Ibuprofen, Naproxen) & Non-Cardioprotective Analgesics
Mechanism: Inhibition of renal vasodilatory prostaglandins (PGI2, PGE2) causes afferent arteriolar vasoconstriction, blunts blood pressure control, and increases risk of acute kidney injury (AKI).
Dual RAAS Blockers (ACE Inhibitors, ARBs, Direct Renin Inhibitors)
Mechanism: Additive suppression of the renin-angiotensin-aldosterone axis produces profound systemic hypotension, acute renal dysfunction, and hyperkalemia without added cardiovascular benefit.
Dietary Supplements, Herbs & Minerals (DNI)
Interactions with over-the-counter vitamins, minerals, and herbal preparationsPotassium Supplements (Potassium Chloride, Gluconate, Citrate)
Direct renin inhibition suppresses downstream aldosterone secretion, preventing physiological urinary potassium excretion. Exogenous potassium supplements directly provoke dangerous serum hyperkalemia.
Chronotherapy & Meal Administration Protocols
Optimal absorption, meal-timing rules & GI tolerability protocolsAliskiren should be taken either always with food or always without food.
Rationale: Food constituents interfere with gastrointestinal absorption or gastric emptying.
Aliskiren must be taken in a consistent manner with respect to meals—either always with food or always without food.
Rationale: High-fat meals drop aliskiren Cmax by 71% and AUC by 85%. Switching erratically between fed and fasted states causes severe blood pressure swings.
Frequently Researched Drug-Substance Combinations
Explore pairwise interaction dossiers and laboratory safety analysesAliskiren and Potassium
Pairwise Clinical Analysis & Safety RatingAliskiren and Salt-substitute
Pairwise Clinical Analysis & Safety RatingAliskiren and Potassium Salt Substitutes
Pairwise Clinical Analysis & Safety RatingAliskiren and Aspirin / NSAIDs
Pairwise Clinical Analysis & Safety RatingTaking Aliskiren alongside daily coffee, supplements, or other medications?
Add all your daily medications, foods (Dairy, Spinach, Coffee, Grapefruit), and botanicals (Ashwagandha, Curcumin, Melatonin) into the SafeStack interactive engine to run full multi-way synergy collision analysis in real time.
Data on this clinical monograph is compiled from the U.S. National Library of Medicine (MedlinePlus), openFDA Structured Product Labeling (SPL Section 7 Drug Interactions), the NIH Office of Dietary Supplements (ODS), and Krause and Mahan's Food & Nutrition Care Process.