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Digoxin elimination is mainly by renal excretion and involves P-glycoprotein, which leads to significant clinical interactions with P-glycoprotein inhibitor drugs. Examples commonly used in patients with heart problems include spironolactone , verapamil and amiodarone .
An unusual side effect of digoxin is a disturbance of color vision (mostly yellow and green) called xanthopsia. Vincent van Gogh's "Yellow Period" may have somehow been influenced by concurrent digitalis therapy. Other oculotoxic effects of digoxin include generalized blurry vision, as well as seeing a "halo" around each point of light.
A case series of 147 patients showed that not all cases of acute digoxin overdose require anti‐digoxin Fab, nor should anti‐digoxin Fab dose be calculated based on ingested dose. In contrast, a higher mortality (7.6%) was noted in a case series of acute and chronic digoxin and digitoxin poisoning despite Fab being used first line.
Digoxin immune Fab used to treat digoxin toxicity The primary treatment of digoxin toxicity is digoxin immune fab , which is an antibody made up of anti-digoxin immunoglobulin fragments. This antidote has been shown to be highly effective in treating life-threatening signs of digoxin toxicity such as hyperkalemia, hemodynamic instability, and ...
Digitalis purpurea is an herbaceous biennial or short-lived perennial plant. The leaves are spirally arranged, simple, 10–35 cm (3.9–13.8 in) long and 5–12 cm (2–5 in) broad, and are covered with gray-white pubescent and glandular hairs, imparting a woolly texture.
When two drugs affect each other, it is a drug–drug interaction (DDI). The risk of a DDI increases with the number of drugs used. [1] A large share of elderly people regularly use five or more medications or supplements, with a significant risk of side-effects from drug–drug interactions. [2] Drug interactions can be of three kinds ...
Colchicine, a drug for gout, interferes with the function of the structural protein tubulin, while digitalis, a drug still used in heart failure, inhibits the activity of the carrier molecule, Na-K-ATPase pump. The widest class of drugs act as ligands that bind to receptors that determine cellular effects.
For example, in 2008 US poison centers reported 2,632 cases of digoxin toxicity, and 17 cases of digoxin-related deaths. [18] Because cardiac glycosides affect the cardiovascular, neurologic, and gastrointestinal systems, these three systems can be used to determine the effects of toxicity.