Tienoxolol
An article about the beta-blocker Tienoxolol
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Tienoxolol is a beta-adrenergic receptor antagonist (beta-blocker) used in the management of hypertension and other cardiovascular conditions. It is known for its selective action on beta-1 adrenergic receptors, which are primarily located in the heart.
Pharmacology[edit | edit source]
Mechanism of Action[edit | edit source]
Tienoxolol works by blocking the beta-1 adrenergic receptors in the heart, leading to a decrease in heart rate and cardiac output. This action reduces the workload on the heart and lowers blood pressure. Unlike non-selective beta-blockers, Tienoxolol has minimal effects on beta-2 receptors, which are found in the lungs and vascular smooth muscle.
Pharmacokinetics[edit | edit source]
Tienoxolol is administered orally and is well absorbed from the gastrointestinal tract. It undergoes hepatic metabolism and is excreted primarily in the urine. The drug has a half-life that allows for once-daily dosing, which can improve patient compliance.
Clinical Uses[edit | edit source]
Tienoxolol is primarily used in the treatment of hypertension. It may also be used in the management of angina pectoris and in the prevention of myocardial infarction.
Side Effects[edit | edit source]
Common side effects of Tienoxolol include bradycardia, fatigue, and dizziness. As with other beta-blockers, it may cause or exacerbate bronchospasm in susceptible individuals, such as those with asthma.
Contraindications[edit | edit source]
Tienoxolol is contraindicated in patients with bradycardia, heart block, and cardiogenic shock. Caution is advised in patients with diabetes mellitus and chronic obstructive pulmonary disease (COPD).
Related pages[edit | edit source]
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