PRECAUTIONS: Tell your doctor your medical history, including: allergies, lung disease, liver problems, kidney problems, heart disease, major surgery, diabetes, thyroid problems (thyrotoxicosis). Contact lenses should be removed before using this product. They may be reinserted after 15 minutes. Caution is advised when this drug is used in the elderly as this group may be more sensitive to side effects of this product. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. The timolol in this product is excreted into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Tell your doctor of all nonprescription and prescription medication you may use, especially: other "carbonic anhydrase inhibitors" such as acetazolamide, salicylate drugs (e.g., aspirin, salsalate), beta-blockers such as propranolol, "calcium blockers" such as verapamil or diltiazem, reserpine, digoxin, quinidine, epinephrine. Do not start or stop any medicine without doctor or pharmacist approval.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. This medicine may be harmful if swallowed. Symptoms of overdose may include dizziness, headache, shortness of breath, slow heartbeat, wheezing, and coughing.

NOTES: Do not share this medication with others.

MISSED DOSE: If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature between 59 and 77 degrees F (15-25 degrees C) away from light and moisture.