About telmisartan
Angiotensin II receptor blocker
Used for
- High blood pressure
- Reducing cardiovascular risk in some adults
Usual adult dose
Usually 40 mg once daily for high blood pressure; may be adjusted to 80 mg. Cardiovascular risk: 80 mg once daily.
Usual dose in children
For ages 6–17 with high blood pressure: usually 1–2 mg/kg once daily; maximum 40 mg daily. Not recommended under age 6.
Common side effects
- Dizziness
- Diarrhea
- Back pain
- Low blood pressure
Important warnings
- Can cause serious harm or death to a developing fetus; discontinue if pregnancy occurs.
- May worsen kidney function or raise potassium levels.
- Use caution with dehydration or severe liver disease.
- May cause low blood pressure, especially with diuretics or fluid loss.
Pregnancy
Not safe during pregnancy, particularly after the first trimester; can injure or kill the developing fetus.
Breastfeeding
Information is limited; an alternative may be preferred, especially while nursing a newborn or premature infant.
Interactions
- Aliskiren: avoid in diabetes; caution with kidney impairment.
- Potassium supplements or potassium-sparing diuretics can raise potassium.
- NSAIDs may worsen kidney function and reduce blood-pressure control.
- Lithium levels may rise.
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 It may be incomplete or out of date.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.