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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.
An example of this is the repurposing of the antimineralocorticoid and diuretic spironolactone, which was found to produce feminization and gynecomastia as side effects, for use as an antiandrogen in the treatment of androgen-dependent conditions like acne and hirsutism in women. [1] Metformin also causes off-target activity. [citation needed]
Most drugs and procedures have a multitude of reported adverse side effects; the information leaflets provided with virtually all drugs list possible side effects. Beneficial side effects are less common; some examples, in many cases of side-effects that ultimately gained regulatory approval as intended effects, are:
Still used as veterinary drug and as a human antihelminthic in many markets; listed on the WHO List of Essential Medicines. In humans, it was used to treat melanoma before it was withdrawn for agranulocytosis. [29] [30] [31] Levomethadyl acetate: 2003 US Cardiac arrhythmias and cardiac arrest. [2] Lorcaserin (Belviq) 2020 US Increased risk of ...
Low-dose naltrexone is cheap without side effects and used to treat cancer and autoimmune diseases like focal segmental glomerulosclerosis. Naltrexone (Revia) for behavioral addiction: there is some belief that low-dose naltrexone may benefit the treatment of cancer, HIV, and multiple sclerosis by “normalizing” the immune system; however ...
Type A: augmented pharmacological effects, which are dose-dependent and predictable [5]; Type A reactions, which constitute approximately 80% of adverse drug reactions, are usually a consequence of the drug's primary pharmacological effect (e.g., bleeding when using the anticoagulant warfarin) or a low therapeutic index of the drug (e.g., nausea from digoxin), and they are therefore predictable.
Paradoxical effects of benzodiazepines appear to be dose-related, that is, likelier to occur with higher doses. [ 16 ] In a letter to the British Medical Journal , it was reported that a high proportion of parents referred for actual or threatened child abuse were taking medication at the time, often a combination of benzodiazepines and ...
The action of drugs on the human body (or any other organism's body) is called pharmacodynamics, and the body's response to drugs is called pharmacokinetics. The drugs that enter an individual tend to stimulate certain receptors, ion channels, act on enzymes or transport proteins. As a result, they cause the human body to react in a specific way.