General B vitamin deficiency may result in fatigue and weakness.

缺乏B族维生素可能导致疲劳和虚弱。

youdao

Indications: This drug is for the relief of fatigue and weakness in various causes.

适应症：此药用于各种病因引起的疲倦无力。

youdao

While the cabbage soup diet is likely to result in fatigue and weakness not to mention flatulence!

尽管白菜汤很可能导致疲劳和虚弱(更不用说肠胃气胀！)

youdao

Some of the more common side effects of weight-loss surgery can be difficulty digesting starchy foods and protein, which can lead to other physical conditions including hair loss, fatigue, swelling and muscle weakness.

CNN: Surgery helps woman drop 135 pounds, 10 dress sizes

While this does not mean women cannot have chest pain, other symptoms that may signal a heart attack for women include sudden weakness and fatigue, body aches or flu-like symptoms.

CNN: Heart attacks: What you should know

Previous research into whether or not antibiotics are beneficial in the treatment of chest infections, where symptoms include shortness of breath, weakness, high fever, coughing and fatigue, have produced conflicting results- particularly in older people where chest infections can lead to further complications.

BBC: Antibiotics 'ineffective for coughs'