Timolol affects the circulation of the blood and the heart used for two problems, treatment of high blood pressure or hypertension, and glaucoma. It is taken either by mouth or as eye drops. It is used for chest pain due to insufficient blood flow to the heart, or to save from complications after a heart attack. And also it is used for a condition in which you have a loss of vision called glaucoma, which works by decreasing the amount of fluid within the eye. You have to take precautions before using this medication however if you are feeling swelling of the feet or lower leg, difficulty breathing, fainting, slow or irregular heartbeat, sudden weight gain immediately consult your doctor. Always keep this Timolol medication in the container it came in, tightly closed and out of reach of children at room temperature.