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.
Fever, fatigue and muscle aches are more likely and more severe with flu. Symptoms of a cold include: 1  runny nose â beginning with clear mucus that develops into thicker, green mucus as the cold progresses. 2  blocked nose. 3  sore throat. 4  sneezing. 5  cough.