Atenolol

Category: pharmacological

Aliases: Tenormin

Pharmacological Mechanism

Cardioselective β₁ antagonist; negligible β₂ at therapeutic doses. Hydrophilic → low CNS penetration (less nightmares / depression than propranolol). Renal elimination — accumulates in CKD.

Half-Life (t½)

PO: 6h

Dosing Guidelines

• PO: Typical 50mg (Range: 25 - 100 mg)

Target Organ Systems

• renal