Drug Interaction Report

Consumer information for this interaction is not currently available.

MONITOR: Use of vitamin D and/or vitamin D analogs can result in hypercalcemia, which may increase the risk of digitalis toxicity and serious arrhythmias due to additive inotropic effects.

MANAGEMENT: Caution is advised if digitalis compounds are used concomitantly with vitamin D or vitamin D analogs. Serum digoxin, calcium, and phosphorus levels should be closely monitored, especially early in treatment and during dosage adjustment. An estimate of daily dietary calcium intake should be made and the intake adjusted when indicated. Patients should be advised to avoid an abrupt increase in dietary calcium intake, as it may trigger hypercalcemia, and to contact their physician if they experience early symptoms of vitamin D intoxication associated with hypercalcemia such as weakness, fatigue, headache, somnolence, vertigo, tinnitus, anorexia, nausea, vomiting, constipation, dry mouth, metallic taste, muscle pain, bone pain, ataxia, and hypotonia. Late symptoms may include polyuria, polydipsia, weight loss, nocturia, conjunctivitis, photophobia, rhinorrhea, pruritus, hyperthermia, decreased libido, and cardiac arrhythmias. Patients should also seek medical attention if they experience signs of digoxin toxicity such as nausea, anorexia, visual disturbances, slow pulse, or irregular heartbeats.

Information for this minor interaction is available on the professional version.