Definition

Noun: - A cholinesterase inhibitor used as a medication: Physostigmine is a drug that works by blocking the enzyme acetylcholinesterase. This action increases levels of the neurotransmitter acetylcholine in the brain and body. Its primary medical uses are in the treatment of certain conditions like glaucoma and, historically, as an antidote for anticholinergic poisoning. It is also used in the management of symptoms of Alzheimer's disease.

Usage Examples

• Noun:
  • The doctor prescribed physostigmine to help manage the patient's glaucoma.
  • In some cases, physostigmine is administered to reverse the effects of certain drug overdoses.
  • Research into Alzheimer's disease has explored the use of drugs like physostigmine to improve cognitive function.

Advanced Usage

• "Physostigmine salicylate": This refers to a specific salt form of the drug, which is commonly used for injection.
  • The emergency kit contained physostigmine salicylate for immediate use.

Variants and Related Words

• Anticholinesterase (noun): A general class of drugs that inhibit the enzyme cholinesterase; physostigmine is a specific example.
  • Physostigmine is a naturally occurring anticholinesterase.

Synonyms

• Eserine: This is an older, alternative name for physostigmine.
  • The compound, formerly known as eserine, is derived from the Calabar bean.

Noun

1. used in treatment of Alzheimer's disease and glaucoma