Pharmacotherapeutic Applications, Mechanisms, and Clinical Management of Neostigmine: Implications for Pharmacists, Pharmacy Technicians, and
Abstract
Background: Neostigmine is a reversible acetylcholinesterase inhibitor widely used in clinical practice, primarily for reversing non-depolarizing neuromuscular blockade during anesthesia. Its pharmacologic actions, peripheral selectivity, and broad therapeutic relevance necessitate a clear understanding of its clinical applications, safety profile, and monitoring requirements.
Aim: This review aims to summarize the pharmacotherapeutic applications, mechanisms, pharmacokinetics, administration considerations, adverse effects, and clinical precautions associated with neostigmine to support informed decision-making among pharmacists and healthcare professionals.
Methods: The article synthesizes peer-reviewed evidence and guideline recommendations, emphasizing FDA-approved indications, off-label uses such as acute colonic pseudo-obstruction, pharmacokinetic characteristics, dosing strategies, and monitoring standards.
Results: Neostigmine effectively reverses neuromuscular blockade by increasing acetylcholine availability at the neuromuscular junction. It demonstrates predictable pharmacodynamics, though clearance varies significantly with renal function. Off-label use in acute colonic pseudo-obstruction is supported by gastrointestinal and surgical society guidelines. Adverse effects include bradyarrhythmias, bronchoconstriction, excessive secretions, and paradoxical muscle weakness; these risks necessitate co-administration with antimuscarinic agents and continuous monitoring. Drug interactions, contraindications, and patient-specific considerations (pregnancy, renal impairment, pediatrics, geriatrics) further inform individualized therapy.
Conclusion: Neostigmine remains an essential pharmacologic tool for perioperative care and neuromuscular management. Optimizing its use requires precise dosing, vigilant monitoring, awareness of patient-specific risks, and interprofessional collaboration to enhance outcomes and minimize complications.
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Authors
Copyright (c) 2025 Salah Mohammed Mufleh Alrasheedi, Khalid Mohammed Albalawi, Abdulrahman Abdullah Suwayyid Almutairy, Fahad Saed Saeed AL Dughaylibi, Saud Marfua Alsulami, Mountadhar Hussain Alzainaldeen, Zainab Radhi ALMAHDUD, Rami Ahmad Almalki, Sayer Ali Naif Alshammari, Meshal Mohammed Alshamrani, Mazyad Mufleh Alshaghatherah, Tahani Hameed Obeed Alenazi
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