Medicines & Drug Database A–Z
Search over 4 educational drug references. Access indications, general usage notes, precautions, and interaction warnings.
Patient Quick Guide: How to Read & Understand Medicine Information
Understanding your prescription and OTC medicine labels helps prevent accidental double-dosing and dangerous drug interactions.
Labetalol
Generic: LabetalolHypertension, hypertensive emergencies
Labetalol relaxes tight blood vessels and supports regular cardiac pumping, keeping blood pressure within a healthy range and protecting heart health.
Levothyroxine
Generic: Levothyroxine SodiumReplacement therapy in primary, secondary, and tertiary hypothyroidism (Hashimoto thyroiditis, post-thyroidectomy, post-radioiodine ablation); pituitary TSH suppression in thyroid cancer.
Levothyroxine works at the cellular level to correct underlying biochemical imbalances, reduce clinical symptoms, and support overall health.
Lisinopril
Generic: LisinoprilManagement of essential and secondary hypertension, adjunctive therapy in congestive heart failure with reduced ejection fraction (HFrEF), and reduction of mortality in hemodynamically stable patients within 24 hours of acute myocardial infarction.
Lisinopril blocks the enzyme that causes blood vessels to constrict and narrow. By allowing blood vessels to relax and widen, blood flows smoothly and heart strain is substantially reduced.
Losartan
Generic: Losartan PotassiumTreatment of hypertension, stroke risk reduction in hypertensive patients with left ventricular hypertrophy, and treatment of diabetic nephropathy with elevated serum creatinine and proteinuria in Type 2 Diabetes.
Losartan blocks the hormonal docking stations (AT1 receptors) that cause blood vessels to tighten, keeping arteries wide, relaxed, and protected from high pressure.