・ 音 リョウ
Sino-Vietnamese: liệu
The sickness radical 疒 (a person on a sickbed) gives the meaning; the inner part is phonetic ryou. Treatment and healing: chiryou (medical treatment), iryou (healthcare).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
治療には時間がかかります。 (ちりょうにはじかんがかかります)
The treatment takes time.