Hydrochlorothiazide
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| 6-chloro-3,4-dihydro-2H- 1,2,4-benzothiadiazine- 7-sulfonamide 1,1-dioxide | |
| CAS number 58-93-5 | ATC code C03AA03 |
| Chemical formula | C7H8ClN3O4S2 |
| Molecular weight | 297.742 |
| Bioavailability | ? |
| Metabolism | ? |
| Elimination half-life | ? |
| Excretion | ? |
| Pregnancy category | ? |
| Legal status | ? |
| Routes of administration | Oral |
Hydrochlorothiazide (HCZ or HCT) is a popular diuretic drug that acts by inhibiting the kidney's ability to retain water.
Activity
Hydrochlorothiazide belongs to the thiazide class of diuretics, acting on the kidney to reduce sodium (Na) reabsorption in the distal convoluted tubule. This reduces the osmotic pressure in the kidney, causing less water to be reabsorbed by the collecting ducts.
Indications
It is often used to treat hypertension, congestive heart failure and symptomatic edema. It is effective in diabetes insipidus and is also sometimes used in hypercalciuria.
Hypokalemia, an occasional side-effect, can be usually prevented by potassium supplements or combining hydrochlorothiazide with a potassium-sparing diuretic.