Before you start treatment with Eysuvis, inform your doctor:, Of all the medications you take. These include prescription, nonprescription, vitamins, and herbal supplements., Of your allergies., Of your health conditions., If you are pregnant or plan to become pregnant., If you are breastfeeding or plan to breastfeed., Eysuvis may cause prolonged healing and perforation of the cornea., Using Eysuvis for a long period of time may cause vision problems such as glaucoma., Eysuvis may cause cataracts., Eysuvis may increase the risk of secondary eye infections and mask or worsen an existing infection., Eysuvis can lengthen the course of or worsen viral eye infections such as herpes simplex. Caution should be used if you have ever had herpes simplex., Using Eysuvis for a long period of time can increase the risk of fungal corneal infections. Of all the medications you take. These include prescription, nonprescription, vitamins, and herbal supplements., Of your allergies., Of your health conditions., If you are pregnant or plan to become pregnant., If you are breastfeeding or plan to breastfeed.