Beta-blockers reduce heart rate and contractility by blocking beta-adrenergic receptors, which lowers blood pressure.
Tetracyclines can cause permanent tooth discoloration in children under 8 and are typically avoided in this age group.
Metformin is the first-line therapy due to its efficacy, safety, and ability to lower blood glucose without causing hypoglycemia.
Statins are first-line for hyperlipidemia because they effectively reduce LDL cholesterol and have proven cardiovascular benefits.
SABAs like albuterol provide quick relief by relaxing bronchial smooth muscle during asthma exacerbations.
