PRECAUTIONS: Tell your doctor if you have: pre-existing kidney disease, heart disease, lung disease, liver disease, diabetes, thyroid disease, any allergies (especially to sulfa drugs). This medication can increase sensitivity to sunlight. Avoid prolonged sun exposure. Wear protective clothing and use a sunscreen. Diabetics must be aware that this medication can alter blood sugar levels and may hide signs of low blood sugar such as shaking, cold sweat, confusion. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.

DRUG INTERACTIONS: This drug is not recommended for use with: dofetilide. Ask your doctor or pharmacist for more details. Tell your doctor of any over-the-counter or prescription medication you may take, especially of: heart medications, pain medication, thyroid medication, cimetidine, oral diabetic medication, birth control pills, St John's wort. Do not take any medication for cough, colds, hay fever, allergies or weight control without first checking with your doctor or pharmacist. These medications may contain ingredients which can increase blood pressure. Limit your intake of alcoholic beverages while taking this medication. 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. Symptoms of overdose may include slow heart rate, dizziness, weakness, fainting, coughing, and trouble breathing.

NOTES: It is important to have your blood pressure checked regularly while taking this medication. Learn how to take your blood pressure and understand the readings. Discuss this with your doctor or pharmacist.