Olopatadine HCl 0.1%; oph soln; contains benzalkonium chloride. <2yrs: consult physician. ≥2yrs: 1 drop in the affected eye(s) twice daily every 6–8hrs; max: twice per day. Eye pain ...

Olopatadine HCl 0.7%; oph soln; contains benzalkonium chloride. Eye pain, changes in vision, increased redness of the eye, itching worsens or lasts for >72hrs; discontinue and evaluate if develops.