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.
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).