Using expired eye drops is not safe, as they can lose effectiveness and pose a risk of contamination, potentially leading to irritation or infection.
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Can You Use Expired Eye Drops?
How Long Does Pink Eye Live on Surfaces?
The viral and bacterial strains of pink eye are highly contagious. Their pathogens can survive outside the human body on surfaces, potentially infecting anyone who comes into contact with them.
Depending on the conditions:
Viral pink eye can linger on surfaces for anywhere between 8 hours and 7 days.
Bacterial pink eye typically survives on surfaces for 24–48 hours.
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