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In pharmacokinetics, a loading dose is an initial higher dose of a drug that may be given at the beginning of a course of treatment before dropping down to a lower maintenance dose. [ 1 ] A loading dose is most useful for drugs that are eliminated from the body relatively slowly, i.e. have a long systemic half-life .
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.
Pages for logged out editors learn more. ... Download as PDF; Printable version; In other projects ... digoxin: 2-5 [1] chlorpromazine: 2-5 [1] nortriptyline:
Digoxin increased the risk of death in women by 23%. There was no difference in the death rate for men in the study. [38] Digoxin is also used as a standard control substance to test for P-glycoprotein inhibition. [39] Digoxin appears to be a peripherally selective drug due to limited brain uptake caused by binding to P-glycoprotein. [40] [41]
So, for example, digoxin has a half-life (or t 1 / 2 ) of 24–36 h; this means that a change in the dose will take the best part of a week to take full effect. For this reason, drugs with a long half-life (e.g., amiodarone , elimination t 1 / 2 of about 58 days) are usually started with a loading dose to achieve their desired ...
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 ...
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Dosage forms (also called unit doses) are pharmaceutical drug products presented in a specific form for use. They contain a mixture of active ingredients and inactive components (), configured in a particular way (such as a capsule shell) and apportioned into a specific dose.