Legal Definition of wage. 1  1 : a payment usually of money for labor or services usually according to a contract and on an hourly, daily, or piecework basis âoften used in plural. 2  2 pl : the share of the national product attributable to labor as a factor in production.
Causes. Sinus headaches can be caused by sinus congestion and inflammation, called sinusitis. Sinusitis, in turn, is caused by either a respiratory infection, such as a cold or flu, or allergies, like hay fever.Healthy sinuses allow mucus to drain and air to circulate throughout the nasal passages.auses. Sinus headaches can be caused by sinus congestion and inflammation, called sinusitis. Sinusitis, in turn, is caused by either a respiratory infection, such as a cold or flu, or allergies, like hay fever.
Allergies or infections that cause inflammation of the sinuses can produce facial pain. Facial pain can also be caused by sinusitis, an inflammation the sinuses, the air-filled pockets in the nasal passages, cheeks, forehead, and eyes. When your sinuses become clogged with excess mucus that cannot be drained, bacteria and other pathogens fill up your sinuses, causing pain and congestion.