About chlorothiazide
Angiotensin receptor blocker and thiazide diuretic
Used for
- High blood pressure requiring combination treatment
Usual adult dose
Usually one tablet once daily; tablet selection depends on previous treatment and blood pressure response.
Common side effects
- Dizziness or lightheadedness
- Increased urination
- Low blood pressure
- Changes in potassium or sodium levels
Important warnings
- MICARDIS PLUS contains telmisartan and hydrochlorothiazide, not the listed chlorothiazide.
- Requires monitoring of kidney function and blood salts.
- Contraindicated with absent urine production or severe liver disease.
- Hydrochlorothiazide increases sun sensitivity and nonmelanoma skin cancer risk.
Pregnancy
Not suitable during pregnancy; medicines containing telmisartan can cause severe fetal harm or death.
Breastfeeding
Not recommended during breastfeeding; an alternative treatment is generally preferred.
Interactions
- NSAIDs can reduce effectiveness and increase kidney injury risk.
- Lithium levels and toxicity may increase.
- Potassium supplements and potassium-sparing diuretics may raise potassium.
- Other blood pressure medicines can increase low blood pressure risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.