Beschreibung
Valsartan may slightly increase digoxin plasma levels by reducing its renal clearance; the interaction is generally modest.
Mechanismus
Angiotensin II promotes renal tubular secretion of digoxin; ARB-mediated angiotensin II blockade may reduce this secretion, marginally raising digoxin levels.
Klinische Bedeutung
Small increase in digoxin exposure; rarely clinically significant unless patient is already at the upper end of the therapeutic range.
Maßnahmen
Monitor digoxin levels when initiating valsartan in digitalized patients; adjust dose if levels exceed 1.2 ng/mL.
Medizinischer Haftungsausschluss
This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.