User:Mr. Ibrahem/Triamterene

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Mr. Ibrahem/Triamterene
Clinical data
Trade namesDyrenium, others
AHFS/Drugs.comMonograph
MedlinePlusa682337
Pregnancy
category
  • AU: C
Routes of
administration
By mouth
Drug classPotassium-sparing diuretic[1]
Legal status
Legal status
  • AU: S4 (Prescription only)
  • UK: POM (Prescription only)
  • US: ℞-only
Pharmacokinetic data
Bioavailability30-70%
Protein binding67%
Metabolismhydroxylation to para-hydroxytriamterene
Elimination half-life1-2 hours, active metabolite 3 hours
Excretionrenal <50%, 21% unchanged
Identifiers
  • 6-phenylpteridine-2,4,7-triamine
Chemical and physical data
FormulaC12H11N7
Molar mass253.269 g·mol−1
  • InChI=1S/C12H11N7/c13-9-7(6-4-2-1-3-5-6)16-8-10(14)18-12(15)19-11(8)17-9/h1-5H,(H6,13,14,15,17,18,19) checkY
  • Key:FNYLWPVRPXGIIP-UHFFFAOYSA-N checkY
 ☒NcheckY (what is this?)  (verify)

Triamterene, sold under the brand name Dyrenium among others, is a medication used to treat heart failure, high blood pressure, or swelling.[1] For high blood pressure it is generally used together with other medication.[1] It is taken by mouth.[1] Maximal effects may take a few days.[1]

Common side effects include high potassium, kidney problems, liver problems, nausea, weakness, and low platelets.[1] Urine may also appear blue tinged.[2] Great care is required in those with diabetes, older people, and those with gout.[2] While use is not generally recommended in pregnancy, there is no clear evidence of harm.[3] It is a potassium-sparing diuretic.[1]

Triamterene was approved for medical use in the United States in 1964.[1] It is avaliable as a generic medication.[4] In the United Kingdom a month costs the NHS about 42 pounds at a dose of 50 mg per day as of 2021.[4] This amount in the United States costs about 250 USD.[5] It is available in combination as hydrochlorothiazide/triamterene, chlortalidone/triamterene, and furosemide/triamterene.[2]

References[edit]

  1. ^ a b c d e f g h i j "Triamterene Monograph for Professionals". Drugs.com. Archived from the original on 17 January 2017. Retrieved 17 September 2021.
  2. ^ a b c BNF (80 ed.). BMJ Group and the Pharmaceutical Press. September 2020 – March 2021. p. 244. ISBN 978-0-85711-369-6.{{cite book}}: CS1 maint: date format (link)
  3. ^ "Triamterene (Dyrenium) Use During Pregnancy". Drugs.com. Archived from the original on 31 October 2020. Retrieved 17 September 2021.
  4. ^ a b Cite error: The named reference BNF2021 was invoked but never defined (see the help page).
  5. ^ "Triamterene Prices, Coupons & Patient Assistance Programs". Drugs.com. Retrieved 17 September 2021.