Hot flashes and nausea are most commonly caused by hormonal imbalances in the body, most notably, by sex hormones. For women, a decrease in estrogen is often to blame, whereas in men, testosterone deficiency can create the problem. Sometimes, the symptoms occur for reasons not related to those hormones at all.
If you have a cold, youâll probably experience symptoms such as: 1  runny or stuffy nose. 2  sore throat. 3  sneezing. 4  mild-to-moderate fever. 5  cough. 6  headache or body aches. 7  mild tiredness.
Unlike the common cold, the onset of symptoms for flu (or Influenza) is very sudden and fast. While cold and flu are both infectious viral illnesses, cold symptoms are usually only confined to the nose and head. But the flu is a much more severe disease, with symptoms such as fever, chills and body aches.A person suffering from the common cold can generally walk about and work but a flu patient usually does not feel like getting out of bed.ut the flu is a much more severe disease, with symptoms such as fever, chills and body aches. A person suffering from the common cold can generally walk about and work but a flu patient usually does not feel like getting out of bed.