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Phenytoin may accumulate in the cerebral cortex over long periods of time which can cause atrophy of the cerebellum. The degree of atrophy is related to the duration of phenytoin treatment and is not related to dosage of the medication. [23] Phenytoin is known to be a causal factor in the development of peripheral neuropathy. [24]
This medication has many already established neurological side effects. However, glove syndrome is a rare, with prevalence ranging from 1.7% to 5.9%, but has very serious adverse effect that may lead to limb amputations. This may occur due to the administration of phenytoin with or without extravasation.
The median effective dose is the dose that produces a quantal effect (all or nothing) in 50% of the population that takes it (median referring to the 50% population base). [6] It is also sometimes abbreviated as the ED 50, meaning "effective dose for 50% of the population". The ED50 is commonly used as a measure of the reasonable expectancy of ...
The usual dose range is 120 to 250 mg/day in two divided doses or as one single dose. ... Like phenytoin, primidone is rarely associated with lymphadenopathy. [50]
Threshold dose is the minimum dose of drug that triggers minimal detectable biological effect in an animal. [1] At extremely low doses, biological responses are absent for some of the drugs. The increase in dose above threshold dose induces an increase in the percentage of biological responses. [2]
united states district court for the district of columbia _____ public employees for environmental ) responsibility, et al., )
The therapeutic window (or pharmaceutical window) of a drug is the range of drug dosages which can treat disease effectively without having toxic effects. [25] Medication with a small therapeutic window must be administered with care and control, frequently measuring blood concentration of the drug, to avoid harm.
As far as side effects go, there’s a range. But one 2016 review suggests that paroxetine may be one of the least safe antidepressants. ... The starting dose is usually 75 milligrams, but it can ...