Clinical data | |
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Other names | N-(3-Methyl-5-sulfamoyl-3H-1,3,4-thiadiazol-2-ylidene) ethanamide |
AHFS/Drugs.com | Monograph |
MedlinePlus | a601233 |
Routes of administration | Oral |
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Pharmacokinetic data | |
Protein binding | ~55% |
Elimination half-life | ~14 hours |
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ECHA InfoCard | 100.008.243 |
Chemical and physical data | |
Formula | C5H8N4O3S2 |
Molar mass | 236.26 g·mol−1 |
3D model (JSmol) | |
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Methazolamide (trade name Neptazane) is a potent carbonic anhydrase inhibitor. It is indicated in the treatment of increased intraocular pressure (IOP) in chronic open-angle glaucoma and secondary glaucoma. Also it is used preoperatively in acute angle-closure (narrow-angle) glaucoma where lowering the IOP is desired before surgery.
This drug has displayed teratogenic effects in rats. Compared to another drug in the same class, acetazolamide, methazolamide requires a lower dose when administered to patients.