When you are first infected with HIV, you may experience a short 'flu-like' illness as your immune system attempts to fight the virus. If you notice any of these early signs: Fever. Sore throat. Tiredness. Diarrhoea. Joint/ muscle pain. Swollen glands.
Quick Answer. According to WebMD, common causes of dark circles under the eyes include seasonal allergies, a cold or a sinus infection. Additional causes include eating a dinner with a high salt content, fatigue, eczema, rubbing the eyes and hyperpigmentation. Continue Reading.
So ask yourself this question: do you have blue under-eye circles, or brown? Brown circles are often the first of the two causes: genetics. But it can also be because of hyperpigmentation caused by rubbing your eyes a lot or excessive exposure to the sun.