Headaches are a pain in any part of the skull, including the eye area extending up to the neck. It can be due to tension headaches, migraines, sinus congestion, and the common cold.
Chronic, debilitating Headaches can have several underlying severe issues like blood clots, tuberculous lesions, etc.
Malaise and weakness are typical signs of your body not feeling good. Reasons for feeling tired and unwell can be due to viral infections, systemic disorders, or general stress and fatigue.