conforme necessário; sob demanda; quando necessário
1. Done or provided only when required; not on a regular schedule or basis
The medication should be taken on an as-needed basis for pain relief.
O medicamento deve ser tomado conforme necessário para alívio da dor.
2. Available or used whenever the situation requires it
We have extra staff on an as-needed basis during peak seasons.
Temos funcionários extras sob demanda durante as temporadas de pico.
3. Not scheduled or planned in advance
He works as-needed hours at the restaurant.
Ele trabalha horas conforme necessário no restaurante.
In Brazil and the USA, 'as-needed' is commonly used in healthcare (medications), employment (flexible workers), and business contexts. In medical Portuguese, 'PRN' (pro re nata) is often used alongside 'conforme necessário'. This term reflects modern flexible work arrangements and demand-driven resource allocation common in contemporary business practices in both countries.
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