Seasonal affective disorder (SAD) usually starts and ends at the same time every year because it is a type of season-related depression. Symptoms of SAD begin in the fall up to winter months and makes you feel moody and less energetic.

You have to encounter and deal with this kind of disorder on your own. Winter blues will be experienced, however keep yourself motivated and take a step to control your emotions.

Phototherapy, psychotherapy and medications are the treatments for Seasonal affective disorder


Fall and winter SAD

Winter depression symptoms may include:

  • Appetite changes, high-carb food cravings
  • Oversleeping
  • Tiredness or low energy
  • Weight gain

Spring and summer SAD

Summer depression symptoms may include:

Seasonal changes in bipolar disorder

Spring and summer can reduce symptoms of mania or lead to a less intense form of mania (hypomania) in people with bipolar disorder. However, fall and winter can be times of depression.


Some symptoms of this condition may start from mild to more severe as the seasons change. Symptoms of SAD usually appear during late fall or early winter. Below are the signs and symptoms to watch out for.

Signs and symptoms of SAD include:

  • Difficulty concentrating
  • Feeling depressed every day
  • Hopeless, worthless or guilty feeling
  • Feeling inactive or troubled
  • Thoughts of death or suicide
  • Less energetic
  • Losing interest in activities you once enjoyed
  • Sleeping deprivation
  • Weight and appetite changes


The doctor will do the following tests to diagnose a respiratory infection.

These include:

Respiratory Exam. Your doctor will check your breathing. He or she will also use stethoscope to listen to the abnormal sounds of your lungs when you breathe, to check fluid or inflammation. The doctor may peer into your nose and ears, and check your throat. If your doctor believes that the infection is in the lower respiratory tract, additional tests will be done.

X-ray or CT scan. Doctors will suggest these tests to see images of your lungs. They can help check your lung condition and possible infections.

Lung function tests. These are powerful tools to test your lungs. An example of this tool is pulse oximetry, which can check how much oxygen gets into the lungs.

Sputum sample. This test will check the type of virus or bacteria that is causing respiratory infection.


There is no known treatment for various viruses. To manage your signs and symptoms, doctors will prescribe medications and monitor your condition through weekly check ups. Antibiotics will be advised if bacterial infection is suspected.

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