Tag: Nerve agents

Pinpoint pupils, or miosis, are a classic clinical sign for several toxic ingestions and exposures, indicating a serious medical emergency. Knowing what poisoning causes pinpoint pupils is critical for rapid diagnosis and appropriate emergency treatment, particularly in suspected opioid overdoses or chemical exposure.

As the primary symptomatic treatment for myasthenia gravis for decades, pyridostigmine works by inhibiting an enzyme that breaks down a crucial neurotransmitter. This foundational mechanism explains how this medication influences the body's neuromuscular communication, directly answering the question: what does pyridostigmine do to the body?