Wednesday, July 8, 2026

Drug profile · INN

pyridostigmine bromide

pyridostigmine bromide (MESTINON) is a acetylcholinesterase inhibitor. Associated with Amneal Pharma Europe Ltd. Route of administration: injection. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 5
Pipeline programs 0
News articles 0
Drug details — pyridostigmine bromide
US status
approved
Class
Route
INJECTION
Patents
5
Programs
0
Data quality
0.89

Quick answer

pyridostigmine bromide (MESTINON) is a acetylcholinesterase inhibitor. Associated with Amneal Pharma Europe Ltd. Route of administration: injection. Current US regulatory status: approved.

Key facts

INN pyridostigmine bromide
Brand MESTINON
Mechanism Acetylcholinesterase inhibitor
Target Acetylcholinesterase
Route INJECTION
Formulation TABLET, EXTENDED RELEASE

Mechanism of action

Acetylcholinesterase inhibitor

Primary target: Acetylcholinesterase

Approval history

Authority Status Date
FDA approved

Related & competitor drugs

  1. benzgalantamine gluconate Acetylcholinesterase inhibitor
  2. donepezil hydrochloride Acetylcholinesterase inhibitor
  3. neostigmine methylsulfate Acetylcholinesterase inhibitor
  4. ambenonium chloride Acetylcholinesterase inhibitor
  5. demecarium bromide Acetylcholinesterase inhibitor
  6. echothiophate iodide Acetylcholinesterase inhibitor
  1. US 12233166

    Extended release compositions comprising pyridostigmine

    Expires Mon Feb 20 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 11911515

    Extended release compositions comprising pyridostigmine

    Expires Mon Feb 22 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 11666536

    Extended release compositions comprising pyridostigmine

    Expires Mon Jun 01 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 11478425

    Extended release compositions comprising pyridostigmine

    Expires Mon Oct 20 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 11229606

    Extended release compositions comprising pyridostigmine

    Expires Mon Jan 20 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is pyridostigmine bromide?

pyridostigmine bromide (MESTINON) is a acetylcholinesterase inhibitor. Associated with Amneal Pharma Europe Ltd. Route of administration: injection. Current US regulatory status: approved.

What is the brand name for pyridostigmine bromide?

MESTINON is a marketed brand name for pyridostigmine bromide. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of pyridostigmine bromide?

pyridostigmine bromide has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.