Humira won Food and Drug Administration approval as a treatment for psoriatic arthritis in 2005. In 2008, it was approved for the treatment of psoriasis. Patients take it by injecting it under the skin. Common side effects of the drug include headaches, upper respiratory tract infections and urinary tract infections.
1 Colds are caused by a virus that is passed from person to person, and the typical symptoms include congestion and coughing. A fever is often present, but because colds are viral, antibiotics will not help.  Flus are also caused by viruses, and tend to be more severe than the common cold.
What is the difference between a cold and the flu? The main difference between a cold and the flu is that the flu is caused by very different virus types than a cold. Flu symptoms tend to be much worse than cold symptoms, and they come on suddenly (cold symptoms, on the other hand, tend to arrive gradually).