And "if other symptoms are associated with them, like fever, weight loss, swollen lymph nodes and extreme fatigue, then this could be serious and you should see a doctor."
“如果还有一些诸如发烧、体重下降、淋巴结肿大、极度疲劳等症状与之相关，问题就严重了，你应该去医院。”
Headache, fever, aches, extreme tiredness, dry cough, and weakness are usually flu symptoms-but sometimes happen with a cold.
头痛，发烧，酸痛，极度疲劳，干咳以及虚弱无力，那通常是流感的症状，但也有可能是感冒。
Sometimes heat exhaustion, an extreme sunburn or certain inflammatory conditions such as temporal arteritis - inflammation of an artery in your head - may trigger fever as well.
有时，轻度的中暑衰竭，太阳曝晒过度或者某种炎症状况(诸如暂时的动脉炎症，譬如说脑动脉炎)也许也会引发发烧。
Even without the presence of a fever, says Dr. Dobken, some sinus infections, when stressed by exercise, can lead to pneumonia or, in extreme cases, respiratory failure.
杜博肯博士说：“即使没有明显发烧症状，在紧张的锻炼状况下，一些鼻窦感染会导致肺炎，更严重的会导致呼吸衰竭。
Even without the presence of a fever, says Dr. Dobken, some sinus infections, when stressed by exercise, can lead to pneumonia or, in extreme cases, respiratory failure.
杜博肯博士说：“即使没有明显发烧症状，在紧张的锻炼状况下，一些鼻窦感染会导致肺炎，更严重的会导致呼吸衰竭。
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