Allergic response to brimonidine may remain in other forms

Albany, CA-Patients with glaucoma who have had an allergic ocular reaction to brimonidine 0.2% (Alphagan, Allergan) also experience an allergic ocular reaction to brimonidine Purite 0.15% (Alphagan P). In patients with a known allergic response to brimonidine, the likelihood of the same reaction to the reformulation is high.