Mast cell stabilizers control ocular itching to cat allergen

Fort Lauderdale, FL-Two pilot studies have shown that single doses of olopatadine HCl ophthalmic solution 0.1% (Patanol, Alcon Laboratories) and pemirolast potassium ophthalmic solution 0.1% (Alamast, Santen Inc./Johnson and Johnson) were comparable in reducing and controlling ocular itching in cat-sensitive individuals, according to Jason S. Rothman, MD, Cornea fellow, New England Eye Center, Tufts University School of Medicine, Boston.