1. The initial or primary treatment recommended for a particular disease or medical condition, typically the safest and most effective option based on clinical evidence.
Antibiotics are often the first-line therapy for bacterial infections.
Os antibióticos são frequentemente a terapia de primeira linha para infecções bacterianas.
2. The standard or preferred initial medical intervention before considering alternative or secondary treatments.
For hypertension, ACE inhibitors are considered first-line therapy in many cases.
Para a hipertensão, os inibidores da ECA são considerados a terapia de primeira linha em muitos casos.