Category Name Cardio-Diabetic — Antihypertensive (Angiotensin II Receptor Blocker — ARB)
Common Indications
- Hypertension (high blood pressure)
- Reduction of cardiovascular risk (heart attack, stroke) in high-risk patients
- Diabetic nephropathy (kidney protection in Type 2 diabetes)
- Heart failure management (as adjunct therapy)
Common Dosing
- Standard Adult Dose: 40 mg once daily, with or without food
- May be increased to 80 mg once daily based on blood pressure response
- Timing: Same time each day for consistent control
Always follow your doctor's prescribed dose and duration.
Common Side Effects
- Dizziness or lightheadedness
- Headache
- Back pain
- Upper respiratory tract infections
- Elevated potassium levels (hyperkalemia)
- Hypotension (low blood pressure)
Common Interactions
- Potassium supplements or potassium-sparing diuretics — Risk of hyperkalemia
- NSAIDs — May reduce antihypertensive effect and impair renal function
- Other antihypertensives or diuretics — Enhanced blood pressure lowering effect
- Digoxin — Telmisartan may increase Digoxin levels; monitor closely
- Lithium — May increase Lithium toxicity
Special Instructions
| Condition | Guidance |
|---|---|
| 🤰 Pregnancy | Highly unsafe, especially from second trimester. May cause serious fetal harm. Discontinue immediately if pregnant. |
| 🤱 Breastfeeding | Not recommended. May pass into breast milk. |
| 🍺 Alcohol | Use with caution. May enhance blood pressure lowering and cause dizziness. |
| 🚗 Driving | May cause dizziness. Avoid driving until effects are known. |
| 🫀 Liver Disease | Unsafe in severe liver disease. Telmisartan is primarily liver-eliminated. Avoid use. |
| 🫘 Kidney Disease | Use with caution. Monitor renal function and electrolytes regularly. |
Mechanism of Action Telmisartan selectively blocks the AT₁ angiotensin II receptors in vascular smooth muscle and adrenal glands, preventing vasoconstriction and aldosterone-mediated sodium retention. This leads to vasodilation, reduced blood volume, and sustained lowering of blood pressure. With one of the longest half-lives among ARBs, it provides consistent 24-hour blood pressure control with once-daily dosing.
Instructions to Take
- Take once daily at the same time, with or without food
- Swallow whole with a full glass of water
- Never stop abruptly — taper under medical supervision
- Monitor blood pressure regularly
- Rise slowly from sitting or lying to avoid dizziness
- Store in a cool, dry place away from sunlight
This information is intended for general reference purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, changing, or stopping any medication.
