Cardiovascular Medicine Book

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Acetazolamide

Aka: Acetazolamide, Diamox
  1. Mechanism
    1. Carbonic Anhydrase Inhibitor
  2. Indications
    1. High Altitude Sickness treatment and prevention
    2. Pseudotumor Cerebri
  3. Contraindications
    1. Sulfonamide Allergy
  4. Dosing
    1. High Altitude Sickness
      1. Prevention: 125 mg PO bid
        1. Start 24 hours before ascent
        2. Continue for 72 hours or until acclimitization to highest sleeping altitude
      2. Insomnia at altitude: 125 mg PO qhs
      3. Treatment: 250 mg orally twice daily (up to 400 mg twice daily has been sed)
    2. Pseudotumor Cerebri
      1. Dose range: 125-250 mg PO qd-tid
  5. Adverse Effects
    1. Peripheral Paresthesias (common)
    2. Polyuria
Medication Costs
acetazolamide (on 5/17/2017 at Medicaid.Gov Pharmacy Drug pricing)
ACETAZOLAMIDE 125 MG TABLET Generic $1.55 each
ACETAZOLAMIDE 250 MG TABLET Generic $1.82 each
ACETAZOLAMIDE ER 500 MG CAP Generic $1.69 each
FPNotebook does not benefit financially from showing this medication data or their pharmacy links. This information is provided only to help medical providers and their patients see relative costs. Insurance plans negotiate lower medication prices with suppliers. Prices shown here are out of pocket, non-negotiated rates. See Needy Meds for financial assistance information.

Acetazolamide (C0000981)

Definition (NCI) A sulfonamide derivative with diuretic, antiglaucoma, and anticonvulsant properties. Acetazolamide is a non-competitive inhibitor of carbonic anhydrase, an enzyme found in cells in the proximal tube of the kidney, the eye, and glial cells. Inhibition of this enzyme in the kidney prevents excretion of hydrogen, leading to increased bicarbonate and cation excretion and increased urinary volume, which results in an alkaline diuresis. Acetazolamide reduces the concentration of bicarbonate, resulting in a decreased synthesis of aqueous humor in the eye, thereby lowering intraocular pressure. Although its mechanism of action is unknown, acetazolamide has anti-convulsant properties resulting from indirect effects secondary to metabolic acidosis or direct effects on neuronal transmission. Acetazolamide also produces respiratory stimulant effects in response to changes to both carbon dioxide and oxygen tension levels within the lungs.
Definition (MSH) One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337)
Definition (CSP) carbonic anhydrase inhibitor that is sometimes effective against seizures.
Concepts Pharmacologic Substance (T121) , Organic Chemical (T109)
MSH D000086
SnomedCT 330592008, 391705005, 322853009, 372709008, 33664007
LNC LP16018-1, MTHU005569
English Acetamide, N-(5-(aminosulfonyl)-1,3,4-thiadiazol-2-yl)-, Acetazolamide [epilepsy], Acetazolamide [glaucoma], N-(5-(Aminosulfonyl)-1,3,4-thiadiazol-2-yl)acetamide, acetazolamide, acetazolamide (medication), ACETAZOLAMIDE, Acetazolamide [Chemical/Ingredient], acetazolamides, acetaZOLAMIDE, Acetazolamide [glaucoma] (product), Acetazolamide - chemical, Acetazolamide - chemical (substance), Acetazolamide [epilepsy] (product), N-[5-(Aminosulfonyl)-1,3,4-thiadiazol-2-yl]acetamide, Acetazolamide (product), Acetazolamide (substance), Acetazolamide [epilepsy] (substance), Acetazolamide [glaucoma] (substance), Acetazolamide, AcetaZOLAMIDE
Swedish Acetazolamid
Czech acetazolamid
Finnish Asetatsoliamidi
Russian DIAKARB, ATSETAZOLAMID, АЦЕТАЗОЛАМИД, ДИАКАРБ
Croatian ACETAZOLAMID
Polish Diamoks, Acetazolamid
Japanese アセタゾールアミド, アセタゾラミド
Spanish acetazolamida - sustancia química, acetazolamida - sustancia química (sustancia), acetazolamida (antiglaucomatoso) (producto), acetazolamida (antiglaucomatoso), acetazolamida (antiepiléptico), acetazolamida (antiepiléptico) (producto), acetazolamida (glaucoma) (producto), acetazolamida (glaucoma), acetazolamida (producto), acetazolamida (sustancia), acetazolamida [epilepsia] (producto), acetazolamida [epilepsia], acetazolamida, Acetazolamida
French Acétazolamide
German Acetazolamid, Azetazolamid
Italian Acetazolamide
Portuguese Acetazolamida
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Diamox (C0591362)

Concepts Pharmacologic Substance (T121) , Organic Chemical (T109)
MSH D000086
English diamox, Cyanamid Brand of Acetazolamide Preparation, Lederle Brand of Acetazolamide Preparation, Storz Brand of Acetazolamide Preparation, Whelehan Brand of Acetazolamide Preparation, Wyeth Brand of Acetazolamide Preparation, Diamox, Théraplix Brand of Acetazolamide Preparation
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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