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.
Mucus from the sinuses normally drains into the nose; however, if for any reason, the sinuses get blocked, the mucus cannot drain, which opens the gate for infection. Sinusitis may be acute or chronic. Viral, bacterial, or fungal infections, and allergic reactions, are the most common causes of sinusitis.But it can also develop due to a nasal injury, a deviated septum, nasal polyps, or narrow sinuses.Sinusitis can also be caused by tooth or tonsil infections, or inhaling such irritants as cigarette smoke, dust, or dry air. However, the most common cause for sinusitis is allergies.ucus from the sinuses normally drains into the nose; however, if for any reason, the sinuses get blocked, the mucus cannot drain, which opens the gate for infection. Sinusitis may be acute or chronic. Viral, bacterial, or fungal infections, and allergic reactions, are the most common causes of sinusitis.