Adverse effects when taking LUMIGAN are generally rare, but there is a wide range of effects that can occur when taking it. Let your doctor know if you experience any of the following adverse effects: Abnormal hair growth, Allergic conjunctivitis, Asthenopia, Blepharitis, Cataract, Conjunctival edema, Conjunctival hemorrhage, Conjunctival hyperemia, Dryness, Eye discharge, Eye pain, Eyelash darkening, Eyelid erythema, Foreign body sensation, Growth of eyelashes, Increased iris pigmentation, Ocular burning, Ocular irritation, Ocular pruritus, Photophobia, Pigmentation of the periocular skin, Superficial punctate keratitis, Tearing, Visual disturbance