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trimethoprim - oral, Proloprim, Trimpex (cont.)

PRECAUTIONS: Before taking trimethoprim, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have a certain medical condition. Before using this medicine, consult your doctor or pharmacist if you have: a certain type of anemia (due to folate deficiency).Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, vitamin deficiency (folate or folic acid), diabetes, blood disorders (e.g., bone marrow suppression, G6PD deficiency).This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for mineral imbalance (high potassium blood level) and allergic reactions while using this drug.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.Trimethoprim passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. 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 a very serious interaction may occur: dofetilide.If you are currently using this medication listed above, tell your doctor or pharmacist before starting trimethoprim.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: digoxin, methotrexate, phenytoin, procainamide.Although most antibiotics probably do not affect hormonal birth control such as pills, patch, or ring, some antibiotics may decrease their effectiveness. This could cause pregnancy. Examples include rifamycins such as rifampin or rifabutin. Be sure to ask your doctor or pharmacist if you should use additional reliable birth control methods while using this antibiotic.This medication may interfere with certain laboratory tests (including kidney function and methotrexate blood levels), possibly causing false test results. 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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