3-5 days. Non bacterial conjunctivitis, commonly gets better without meds and local treatment with compresses and avoiding triggers. 3-5 days on average.
Treated 2- 3 days. Uncomplicated conjunctivitis treated with antibiotic drops usually resolves in 2-3 days. Treatment will extend from 5- 7 days, depending on you symptoms and how soon treatment was initiated. Untreated conjunctivitis will usually not resolve on its own.
PInk eye. Lasts about a week if you treat it with antibiotics and about 7 days if you don't treat it.