triamterene

[tri-am´ter-ēn] a potassium sparing diuretic used in treatment of edema and, usually in combination with hydrochlorothiazide" >hydrochlorothiazide, in the treatment of hypertension.

triamterene

Dyrenium, Dytac (UK)

Pharmacologic class: Potassium-sparing diuretic

Therapeutic class: Diuretic

Pregnancy risk category B

FDA Box Warning

• Abnormal serum potassium elevation may occur, and is more likely in patients with renal impairment or diabetes and in elderly or severely ill patients. As uncorrected hyperkalemia may be fatal, monitor serum potassium levels frequently, especially when dosage is changed or patient has an illness that may influence renal function.

Action

Depresses sodium resorption and potassium excretion in renal distal tubule

Availability

Capsules: 50 mg, 100 mg

Indications and dosages

➣ Edema

Adults: 100 mg P.O. b.i.d. Do not exceed 300 mg/day.

Dosage adjustment

• Concurrent antihypertensive drug therapy

• Elderly patients

Off-label uses

• Diabetes insipidus

Contraindications

• Hypersensitivity to drug

• Hyperkalemia

• Severe hepatic disease

• Anuria, severe renal dysfunction (except nephrosis)

• Concurrent use of other potassium-sparing diuretics or potassium supplements

Precautions

Use cautiously in:

• hepatic dysfunction, renal insufficiency, diabetes mellitus

• history of gout or renal calculi

• elderly or debilitated patients

• pregnant or breastfeeding patients

• children (safety not established).

Administration

• Give after meals.

• Know that drug may be used alone or as adjunct to thiazide or loop diuretics.

• Make sure patient stops taking potassium supplements before starting triamterene.

Adverse reactions

CNS: headache, fatigue, asthenia, dizziness

GI: nausea, vomiting, diarrhea, dry mouth

GU: azotemia, renal calculi

Hematologic: megaloblastic anemia, thrombocytopenia

Hepatic: jaundice

Metabolic: hyperglycemia, hyperkalemia, metabolic acidosis

Skin: rash, photosensitivity

Other: anaphylaxis

Interactions

Drug-drug. Amantadine: increased amantadine blood level, greater risk of toxicity

Angiotensin-converting enzyme inhibitors, cyclosporine, indomethacin, potassium-sparing diuretics, potassium supplements, other potassium-containing

preparations: increased risk of hyperkalemia

Antihypertensives, nondepolarizing muscle relaxants, other diuretics, preanesthetic and anesthetic agents: potentiated effects of these drugs

Chlorpropamide: increased risk of hyponatremia

Cimetidine: increased bioavailability and decreased renal clearance of triamterene

Indomethacin: increased risk of acute renal failure

Lithium: decreased lithium clearance, greater risk of lithium toxicity

Drug-diagnostic tests. Alkali reserves, hemoglobin, platelets: decreased values

Blood urea nitrogen (BUN), creatinine, glucose, hepatic enzymes, potassium: increased levels

Liver function tests: increased values

Quinidine blood level: interference with fluorescent measurement

Drug-food. Salt substitutes containing potassium: increased risk of hyperkalemia

Drug-herbs. Gossypol, licorice: increased risk of hypokalemia

Patient monitoring

• Monitor BUN, creatinine, and electrolyte levels. Stay alert for hyperkalemia.

• Assess CBC with white cell differential.

Patient teaching

• Advise patient to take after meals to reduce nausea.

• Instruct patient to take last daily dose in early evening to avoid nocturia.

• Teach patient to recognize and report signs and symptoms of electrolyte imbalances.

• Tell patient to avoid salt substitutes. Advise him not to use herbs without consulting prescriber.

• As appropriate, review all other significant and life-threatening adverse reactions and interactions, especially those related to the drugs, tests, foods, and herbs mentioned above.

triamterene

(trī′ăm′tə-rēn′)n. A diuretic drug, C₁₂H₁₁N₇, that allows potassium to be retained rather than eliminated in the kidney, often used in conjunction with hydrochlorothiazide.

triamterene

A K+-sparing diuretic that blocks resorption of sodium in the distal convoluted tubule of the kidney; it may be used alone, with a loop–eg, furosemide or thiazide diuretic–eg, hydrochlorothiazide, for managing HTN. See Diuretic, Potassium-sparing diuretic.

triamterene

A potassium-sparing diuretic drug used to relieve the body of excess water and to treat mildly raised blood pressure. Triamterene is formulated with another diuretic drug under the brand names Diazide, Dytide, Frusene, Kalspare and Triam-Co.

单词	triamterene
释义	triamterene tri·am·te·rene T5377700 (trī′ăm′tə-rēn′)n. A diuretic drug, C₁₂H₁₁N₇, that allows potassium to be retained rather than eliminated in the kidney, often used in conjunction with hydrochlorothiazide. [tri- + am(ino) + alteration of pteridine.] Translations EncyclopediaSeeTHAM triamterene triamterene [tri-am´ter-ēn] a potassium sparing diuretic used in treatment of edema and, usually in combination with hydrochlorothiazide" >hydrochlorothiazide, in the treatment of hypertension. triamterene Dyrenium, Dytac (UK) *Pharmacologic class:* Potassium-sparing diuretic *Therapeutic class:* Diuretic *Pregnancy risk category B* FDA Box Warning • Abnormal serum potassium elevation may occur, and is more likely in patients with renal impairment or diabetes and in elderly or severely ill patients. As uncorrected hyperkalemia may be fatal, monitor serum potassium levels frequently, especially when dosage is changed or patient has an illness that may influence renal function. Action Depresses sodium resorption and potassium excretion in renal distal tubule Availability Capsules: 50 mg, 100 mg Indications and dosages ➣ Edema Adults: 100 mg P.O. b.i.d. Do not exceed 300 mg/day. Dosage adjustment • Concurrent antihypertensive drug therapy • Elderly patients Off-label uses • Diabetes insipidus Contraindications • Hypersensitivity to drug • Hyperkalemia • Severe hepatic disease • Anuria, severe renal dysfunction (except nephrosis) • Concurrent use of other potassium-sparing diuretics or potassium supplements Precautions Use cautiously in: • hepatic dysfunction, renal insufficiency, diabetes mellitus • history of gout or renal calculi • elderly or debilitated patients • pregnant or breastfeeding patients • children (safety not established). Administration • Give after meals. • Know that drug may be used alone or as adjunct to thiazide or loop diuretics. • Make sure patient stops taking potassium supplements before starting triamterene. Adverse reactions CNS: headache, fatigue, asthenia, dizziness GI: nausea, vomiting, diarrhea, dry mouth GU: azotemia, renal calculi Hematologic: megaloblastic anemia, thrombocytopenia Hepatic: jaundice Metabolic: hyperglycemia, hyperkalemia, metabolic acidosis Skin: rash, photosensitivity Other: anaphylaxis Interactions Drug-drug. Amantadine: increased amantadine blood level, greater risk of toxicity Angiotensin-converting enzyme inhibitors, cyclosporine, indomethacin, potassium-sparing diuretics, potassium supplements, other potassium-containing preparations: increased risk of hyperkalemia Antihypertensives, nondepolarizing muscle relaxants, other diuretics, preanesthetic and anesthetic agents: potentiated effects of these drugs Chlorpropamide: increased risk of hyponatremia Cimetidine: increased bioavailability and decreased renal clearance of triamterene Indomethacin: increased risk of acute renal failure Lithium: decreased lithium clearance, greater risk of lithium toxicity Drug-diagnostic tests. Alkali reserves, hemoglobin, platelets: decreased values Blood urea nitrogen (BUN), creatinine, glucose, hepatic enzymes, potassium: increased levels Liver function tests: increased values Quinidine blood level: interference with fluorescent measurement Drug-food. Salt substitutes containing potassium: increased risk of hyperkalemia Drug-herbs. Gossypol, licorice: increased risk of hypokalemia Patient monitoring • Monitor BUN, creatinine, and electrolyte levels. Stay alert for hyperkalemia. • Assess CBC with white cell differential. Patient teaching • Advise patient to take after meals to reduce nausea. • Instruct patient to take last daily dose in early evening to avoid nocturia. • Teach patient to recognize and report signs and symptoms of electrolyte imbalances. • Tell patient to avoid salt substitutes. Advise him not to use herbs without consulting prescriber. • As appropriate, review all other significant and life-threatening adverse reactions and interactions, especially those related to the drugs, tests, foods, and herbs mentioned above. triamterene (trī′ăm′tə-rēn′)n. A diuretic drug, C₁₂H₁₁N₇, that allows potassium to be retained rather than eliminated in the kidney, often used in conjunction with hydrochlorothiazide. triamterene A K+-sparing diuretic that blocks resorption of sodium in the distal convoluted tubule of the kidney; it may be used alone, with a loop–eg, furosemide or thiazide diuretic–eg, hydrochlorothiazide, for managing HTN. See Diuretic, Potassium-sparing diuretic. triamterene A potassium-sparing diuretic drug used to relieve the body of excess water and to treat mildly raised blood pressure. Triamterene is formulated with another diuretic drug under the brand names Diazide, Dytide, Frusene, Kalspare and Triam-Co. ThesaurusSeeHalcion
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triamterene

tri·am·te·rene

triamterene

triamterene

triamterene

FDA Box Warning

Action

Availability

Indications and dosages

Dosage adjustment

Contraindications

Precautions

Administration

Adverse reactions

Interactions

Patient monitoring

Patient teaching

triamterene

triamterene

triamterene