mephenytoin
Học thuậtThân thiện
Definition
Noun: A toxic anticonvulsant drug, chemically known as 5-ethyl-3-methyl-5-phenylhydantoin, used in the treatment of epilepsy. It is typically prescribed only when other, less toxic anticonvulsant medications have proven ineffective due to its potential for serious side effects.
Usage
Mephenytoin is used as a medical term to refer specifically to this pharmaceutical compound. - It is primarily discussed in clinical, pharmacological, or historical medical contexts. - Its use is highly specialized and restricted due to its toxicity profile.
Examples
- The neurologist considered mephenytoin as a last-resort option for the patient's intractable seizures.
- Due to its dangerous side effects, mephenytoin is rarely a first-line treatment for epilepsy.
- The study compared the efficacy of mephenytoin to newer anticonvulsant agents.
Advanced Usage
- Therapeutic Use: Mephenytoin is classified as a hydantoin anticonvulsant, similar to phenytoin, and works by stabilizing neuronal membranes and limiting the spread of seizure activity.
- Risk-Benefit Analysis: Prescribing mephenytoin involves a careful risk-benefit assessment, weighing its potential effectiveness against risks like agranulocytosis or dermatological reactions.
Variants and Related Words
- Mesantoin: The former trade name for mephenytoin.
- Anticonvulsant (n): A broader class of drugs used to prevent or reduce the severity of seizures, of which mephenytoin is one type.
- Hydantoin (n): The chemical class to which mephenytoin belongs.
Synonyms
- Antiepileptic drug: A general term for medications used to treat epilepsy.
- (Former trade name) Mesantoin: A direct synonym referring to the same drug.
Notes on Meaning
This word has a single, highly specific meaning in medical pharmacology. It does not have common idiomatic expressions or phrasal verbs associated with it, as it is a technical term for a specific substance.
Noun
- a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective