Troubleshooting a refrigerator that runs continuously requires an understanding of how the refrigerator works. By definition, a refrigerator is one of the few appliances within your home that has to run on a continuous basis.
Severe pain in the head, behind the eyes or ears, is usually caused due to sinusitis. Among the various types of sinusitis, sphenoid sinusitis can cause intense headaches, specially behind the eyes.Whereas, frontal and ethmoid sinusitis can cause severe pain in the head, behind the ears or eyes.evere pain in the head, behind the eyes or ears, is usually caused due to sinusitis. Among the various types of sinusitis, sphenoid sinusitis can cause intense headaches, specially behind the eyes.
1 Sinusitis (viral, bacterial, fungal, allergic) can cause: 2  Severe, pressure-like headache and tenderness in cheeks or forehead, aggravated by bending forward or lying down. 3  Pain in the teeth or back of the head (sometimes). 4  Blocked nose, thick or clear nasal discharge. 5  Sore throat and mild fever may be present.