Description
Main indications
- High blood pressure: alone or in combination.
- Edema: caused by heart, kidney or liver problems.
- Other (depending on the formulation): some forms can treat anxiety or skin allergies.
How it works (hydrochlorothiazide)
- It is a thiazide diuretic that blocks the reabsorption of sodium and chloride in the kidneys, increasing urine production and decreasing blood volume.
- It also has antihypertensive and anti-edema effects.
Key points
- Medical prescription: It can only be dispensed on prescription.
- Possible side effects: Dehydration, low blood pressure, electrolyte imbalances (low potassium or sodium), dizziness, digestive problems.
- Interactions: To be monitored with certain medicines (NSAIDs, lithium, other antihypertensives).
- Pregnancy/Breastfeeding: Contraindicated.
In summary
If you have a prescription for “Hydrex 25 mg tablet”, it is a diuretic that helps lower blood pressure and reduce swelling. Always follow your doctor’s and pharmacist’s instructions for its use.










