He suffered from headaches and loss of appetite.

他患有头痛和食欲不振。

《牛津词典》

People under too much pressure would sometimes suffer from muscle aches, headache, tiredness, loss of appetite and so on.

压力太大的人有时候会有肌肉疼痛、头痛、疲劳、食欲不振等症状。

youdao

His symptoms include loss of appetite, weight loss, excessive fatigue, fever.

他的症状包括没食欲、体重减轻、乏力、发烧、发冷。

youdao

Long-term effects of injecting heroin include collapsed veins, loss of appetite and severe constipation.

BBC: Factfile on drugs

Loss of appetite or anorexia is often associated with cachexia, especially cachexia of malignancy.

CNN: Is the inability of cancer patients to eat a concern?

Foot-and-mouth disease causes blisters on the mouth and feet, fever and loss of appetite.

CNN: Outbreak sparks UK meat shortage fears