Before prescribing digoxin (Lanoxin®), your healthcare provider will take into consideration several factors when determining your dosage amount. Some of these factors include your age, the medical condition being treated, and other medications you are taking.
Most adults taking this medication for heart failure will be maintained on a dosage between 0.125 mg and 0.25 mg to achieve a target digoxin blood level. Your healthcare provider may adjust your dosage (no more often than every two weeks) based on how you respond to the medication and your digoxin blood level. If the blood level of digoxin becomes too high, it can cause digoxin toxicity and lead to potentially dangerous complications.
(To learn more about the 0.125-mg strength of this medication, click Digoxin. This article explains in detail the factors that will affect your dose, lists other available strengths, and explains how this drug works to make the heart more efficient.)
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed February 18, 2011.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed February 18, 2011.
Digoxin. Drug Facts and Comparisons. Drug Facts and Comparisons 4.0 [online]. 2011. Available from Wolters Kluwer Health, Inc. Accessed February 18, 2011.
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