Prostigmin is a medication commonly prescribed to treat muscle weakness caused by myasthenia gravis. It works by increasing the amount of acetylcholine, a neurotransmitter that facilitates muscle contractions, in the body. Other synonyms for prostigmin include neostigmine, pyridostigmine, and edrophonium. These medications are all cholinesterase inhibitors, which means they block the action of an enzyme that breaks down acetylcholine. By increasing the availability of acetylcholine in the body, these drugs help to improve muscle strength and function. However, it's important to note that prostigmin and its synonyms should only be used under the guidance of a healthcare provider, as they can cause side effects and interact with other medications.