Potassium-sparing diuretics like Triamterene are commonly used to help reduce the amount of water in the body. Unlike other diuretics, these medicines do not cause your body to lose potassium; they help to reduce the amount of water in the body by acting on the kidneys to increase the flow of urine. This also helps to lower blood pressure.
Be sure to tell your doctor of any allergies you have whether it is to medication or food, preservatives, or dyes. Also, tell your doctor of any other medications you are taking, including vitamins and supplements, and any medical conditions you may have.
It is very important that you take this medicine exactly as your doctor tells you to. Do not take more or less medicine than directed, and never stop taking Triamterene without discussing it with your doctor first.
If you miss a dose of this medicine, take it as soon as you remember, unless it is almost time for your next dose. Do NOT double doses.
Tell your doctor as soon as possible if any of the following side effects occur: skin rash or itching; shortness of breath; cough or hoarseness; fever or chills; lower back or side pain; painful or difficult urination; black, tarry stools; blood in urine or stools; bright red tongue; burning, inflamed feeling in tongue; cracked corners of mouth; lower back pain; pinpoint red spots on skin; unusual bleeding or bruising; or weakness.
Each Dyazide capsule for oral use, with opaque red cap and opaque white body, contains hydrochlorothiazide 25 mg and triamterene 37.5 mg, and is imprinted with the product name DYAZIDE and SB. Hydrochlorothiazide is a diuretic/antihypertensive agent and triamterene is an antikaliuretic agent. Triamterene is 2, 4, 7-triamino-6-phenylpteridine. Inactive ingredients consist of benzyl alcohol, cetylpyridinium chloride, D&C red no. 33, FD&C yellow no. 6, gelatin, glycine, lactose, magnesium stearate, microcrystalline cellulose, povidone, polysorbate 80, sodium starch glycolate, titanium dioxide, and trace amounts of other inactive ingredients.
Triamterene has the following structural formula: