Editing Lewisite (section)

=== Long-term effects ===
From one acute exposure, someone who has inhaled lewisite can develop [[chronic respiratory disease]]; eye exposure to lewisite can cause permanent visual impairment or blindness.<ref name=":0"/>

Chronic exposure to lewisite can cause [[arsenic poisoning]] (due to its arsenic content) and development of a lewisite [[allergy]]. It can also cause long-term illnesses or permanent damage to organs, depending on where the exposure has occurred, including [[conjunctivitis]], aversion to light ([[photophobia]]), visual impairment, double vision ([[diplopia]]), tearing ([[Tears|lacrimation]]), dry mucous membranes, [[garlic breath]], burning pain in the nose and mouth, [[toxic encephalopathy]], [[peripheral neuropathy]], [[Epileptic seizure|seizures]], [[nausea]], vomiting, [[chronic obstructive pulmonary disease]] (COPD), [[bronchitis]], [[dermatitis]], [[Ulcer (dermatology)|skin ulcers]], [[Basal-cell carcinoma|basal cell carcinoma]], and [[Squamous-cell carcinoma|squamous cell carcinoma]].<ref name=":0"/>