Tim Allen. This is the latest accepted revision, reviewed on 7 April 2017. For those of the same or a similar name, see Timothy Allen (disambiguation). Timothy Allen Dick (born June 13, 1953), known professionally as Tim Allen, is an American actor, comedian and author.
Not necessarily. Some of the symptoms of low oxygen can be shortness of breath, fast heart rate, changes in the color of the lips and fingernails, but some people will have a low oxygen level without experiencing any of these symptoms. Others may experience these symptoms without having a low oxygen level.
Some diseases and conditions that may require short-term oxygen therapy are: 1  Severe pneumonia. 2  Pneumonia is an infection in one or both of the lungs. 3  If severe, the infection causes your lungs' air sacs to become very inflamed.4  This prevents the air sacs from moving enough oxygen into your blood.5  Severe asthma attack.our doctor may recommend oxygen therapy if you have a low blood oxygen level. Normally, your lungs absorb oxygen from the air and transfer it into your bloodstream. Some acute (short-term) and chronic (ongoing) diseases and conditions can prevent you from getting enough oxygen.