Comparative Pharmacology
Head-to-head clinical analysis: ACETAZOLAMIDE versus DORZOLAMIDE HYDROCHLORIDE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ACETAZOLAMIDE versus DORZOLAMIDE HYDROCHLORIDE.
ACETAZOLAMIDE vs DORZOLAMIDE HYDROCHLORIDE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Reversible inhibition of carbonic anhydrase, primarily in the proximal renal tubule, reducing hydrogen ion secretion and increasing bicarbonate, sodium, potassium, and water excretion. Also reduces aqueous humor formation via ocular carbonic anhydrase inhibition.
Dorzolamide hydrochloride is a carbonic anhydrase II inhibitor. By inhibiting carbonic anhydrase in the ciliary processes of the eye, it reduces aqueous humor secretion, thereby lowering intraocular pressure.
250-500 mg orally twice daily or 250 mg intravenously twice daily; for edema, 250-375 mg orally once daily; for altitude sickness, 250 mg orally every 8-12 hours.
One drop of 2% solution in the affected eye(s) three times daily.
None Documented
None Documented
Clinical Note
moderateAcetazolamide + Atorvastatin
"The risk or severity of adverse effects can be increased when Acetazolamide is combined with Atorvastatin."
Clinical Note
moderateAcetazolamide + Diclofenamide
"The risk or severity of adverse effects can be increased when Acetazolamide is combined with Diclofenamide."
Clinical Note
moderateAcetazolamide + Fosphenytoin
"The risk or severity of adverse effects can be increased when Acetazolamide is combined with Fosphenytoin."
Clinical Note
moderateTerminal half-life approximately 10–15 hours; prolonged in renal impairment (up to 30+ hours).
Terminal elimination half-life is approximately 4 months for red blood cell carbonic anhydrase II binding; systemic half-life of free drug is about 3-4 hours.
Renal: ~90% unchanged drug via tubular secretion and glomerular filtration; minor biliary/fecal (<2%).
Renal: approximately 70% of a topically applied dose is excreted unchanged in urine over 120 hours; <2% fecal.
Category C
Category C
Carbonic Anhydrase Inhibitor
Carbonic Anhydrase Inhibitor
Acetazolamide + Phenytoin
"The risk or severity of adverse effects can be increased when Acetazolamide is combined with Phenytoin."