1. An intensive or aggressive medical treatment, typically involving strong medications, chemotherapy, or invasive procedures
The patient underwent heavy treatment for cancer.
O paciente foi submetido a tratamento pesado para o câncer.
2. Harsh or severe handling of a person or situation
The critic gave the new film heavy treatment in his review.
O crítico deu tratamento pesado ao novo filme em sua crítica.
3. Rigorous or demanding therapeutic intervention
The rehabilitation required heavy treatment and dedication.
A reabilitação exigiu tratamento pesado e dedicação.