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lisinopril/hydrochlorothiazide - oral, Prinzide, Zestoretic (cont.)

DRUG INTERACTIONS: See also Precautions section.Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.This drug should not be used with the following medication because very serious interactions may occur: dofetilide.If you are currently using the medication listed above, tell your doctor or pharmacist before starting this product.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: alpha blockers (e.g., prazosin, terazosin), aspirin, cisapride, diazoxide, drugs that may affect the bone marrow (e.g., azathioprine, trimethoprim-containing products), drugs that can increase dizziness (e.g., narcotic pain relievers such as morphine, barbiturates such as phenobarbital), drugs that may decrease your potassium level (e.g., amphotericin B, corticotropin, corticosteroids including prednisone), drugs that may increase your potassium level (e.g., potassium-sparing diuretics such as spironolactone, potassium supplements, salt substitutes), drugs whose removal from the body is affected by the acid level of urine (e.g., amphetamine, methenamine, quinidine), lithium, nonsteroidal anti-inflammatory drugs-NSAIDs (e.g., celecoxib, ibuprofen, indomethacin), probenecid, gold injections.A very serious reaction may occur if you are getting injections for bee/wasp sting allergy (desensitization) and are also taking lisinopril/hydrochlorothiazide. Make sure all your doctors know which medicines you are using.If taken together with this drug, cholestyramine and colestipol can decrease the amount of this medication that is absorbed by your body. If you are taking either of these drugs, separate them from this medication by at least 4 hours.Check the labels on all your medicines (e.g., cough-and-cold products, diet aids, nonsteroidal anti-inflammatory drugs-NSAIDs for pain/fever reduction) because they may contain ingredients that could increase your blood pressure (e.g., decongestants such as pseudoephedrine, phenylephrine) or reduce the effect of this medication (e.g., ibuprofen, naproxen). Ask your pharmacist about using these products safely.Some nonprescription medicines may also contain aspirin, which may decrease the effect of the lisinopril in this product. Low-dose aspirin should be continued if prescribed by your doctor for specific medical reasons such as heart attack or stroke prevention (usually at dosages of 81-325 milligrams per day). Consult your doctor or pharmacist for more details.This product can affect the results of certain lab tests (e.g., parathyroid, protein-bound iodide, tyramine and phentolamine tests). Make sure laboratory personnel and all your doctors know you use this drug.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.



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