HYDROCHLOROTHIAZIDE W/TRIAMTERENE-ORAL (cont.)
DRUG INTERACTIONS: See also the How to Use section. This drug should not be used with the following medications because very serious interactions may occur: cisapride, dofetilide, eplerenone, other potassium-sparing diuretics (e.g., spironolactone, amiloride), tacrolimus. If you are currently using any of these medications, tell your doctor or pharmacist before starting hydrochlorothiazide/triamterene. Do not take potassium supplements or salt substitutes containing potassium without talking to your doctor or pharmacist first. This medicine can raise your potassium levels, which rarely can cause very serious side effects. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: ACE inhibitors (e.g., captopril, lisinopril), angiotensin receptor blockers (e.g., losartan, valsartan), cholestyramine, colestipol, diazoxide, digoxin, lithium, nonsteroidal anti-inflammatory drugs (e.g., ibuprofen, indomethacin). Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could increase your blood pressure. Ask your pharmacist about the safe use of those products. This product can affect the results of certain lab tests. Make sure laboratory personnel and your doctors know you use this drug. 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 fainting, severe weakness, a severe decrease in amount of urine, or slow or shallow breathing.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
- Drug Interactions - Learn about potential drug interactions you may be exposed to. Drug interactions can occur with prescription drugs, OTC medication, vitamins, herbs, and supplements.
- Electrolytes - Read about blood electrolytes (sodium, potassium, chloride, and bicorbonate) and the effects of electrolyte imbalances like kidney failure, low blood pressure, hypokalemia, and hyperkalemia.
- Congestive Heart Failure - Read about congestive heart failure symptoms like fatigue, abdomen, leg and ankle swelling, shortness of breath, sleeplessness, increased urination, nausea, abdominal pain, and decreased appetite.
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