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Telmisartan – hypertension

  1.  Mechanism of Action Class:  Angiotensin II Receptor Blocker (ARB) Action:  Blocks AT₁ receptors → inhibits angiotensin II-induced: Vasoconstriction Aldosterone secretion Cardiac remodeling Unique Feature:  Partial  PPAR-γ agonist  → improves insulin sensitivity & lipid metabolism. 2.  FDA-Approved Uses Indication Dosage Key Benefit Hypertension (HTN) 40-80 mg once daily 24-hour BP control CV Risk Reduction 80 mg once daily ↓ Stroke/MI in high-risk patients 3.  Dosing & Administration Starting Dose:  40 mg daily Target Dose:  80 mg daily (max) Take:  With/without food, same time daily Titration:  Adjust monthly (full effect in 4-8 weeks) Special Populations: Elderly/Renal/Liver Impairment:  Max 40 mg/day 4.  Key Advantages Feature Clinical Impact 24-hour half-life Superior nocturnal BP control PPAR-γ agonism ↓ Triglycerides, ↑ HDL-C Tissue penetration Protects heart/kidneys No cough  (vs. ACEi) ...

Losartan Potassium

  1. Generic & Brand Names Generic:  Losartan Potassium Brands:  Cozaar® (global), Losacar® (India), Repace® Combinations: With diuretic:  Hyzaar® (losartan + hydrochlorothiazide) With amlodipine:  Amturnide® (losartan + amlodipine + HCTZ) 2. Drug Class & Mechanism Class:  Angiotensin II Receptor Blocker (ARB) Mechanism: Blocks  AT₁ receptors  → prevents angiotensin II-induced: Vasoconstriction Aldosterone release Cardiac remodeling ↑ Bradykinin levels (less than ACEi) →  lower cough risk Onset:  6 hours;  Peak effect:  3-6 weeks 3. FDA-Approved Uses Condition Key Benefits Hypertension (HTN) First-line monotherapy or combo Diabetic Nephropathy ↓ Proteinuria, slows CKD progression Stroke Prevention In HTN patients with LVH (LIFE trial) Off-label: Heart failure (if ACEi intolerant) 4. Dosing Regimens Indication Starting Dose Target Dose Max Dose HTN 50 mg daily 50-100 mg daily 100 mg Diabetic Nephropathy 50 mg daily 100 m...

Amlodipine Besylate/Mesylate

  1. Generic & Brand Names Generic:  Amlodipine Besylate/Mesylate Brands:  Norvasc® (global), Amlodac® (India), Amlogard® (EU) Combinations: With ACEi:  Lotrel® (amlodipine + benazepril) With ARB:  Twynsta® (amlodipine + telmisartan) With Statin:  Caduet® (amlodipine + atorvastatin) 2. Drug Class & Mechanism Class:  Dihydropyridine Calcium Channel Blocker (DHP-CCB) Mechanism: Blocks L-type calcium channels in  vascular smooth muscle  → ↓ calcium influx Causes peripheral arterial vasodilation →  lowers BP Minimal effect on cardiac conduction (vs. non-DHP CCBs) Onset:  6-12 hours;  Peak effect:  24-48 hours Half-life:  30-50 hours →  once-daily dosing 3. FDA-Approved Uses Condition Key Benefit Hypertension (HTN) First-line monotherapy or combo Chronic Stable Angina ↓ Frequency of attacks Vasospastic Angina ↓ Coronary artery spasm 4. Dosing Regimens Indication Starting Dose Maintenance Dose Max Dose HTN 5 mg...