Can Narcotics Cause Anisocoria? A Pharmacological Look at Unequal Pupils
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3 min read
While narcotics are primarily known for causing constricted, or "pinpoint," pupils (miosis), they can, in fact, cause anisocoria, the medical term for unequal pupil size. This unusual and often transient phenomenon can occur through several complex pharmacological mechanisms or be linked to withdrawal. In certain cases, pharmacologic anisocoria may also be caused by local drug exposure or other systemic factors.