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.
Cold symptoms typically begin with a sore throat that may be mild or severe. After a day or two, the sore throat improves and nasal symptoms, such as congestion or a runny nose, appear. Nasal secretions begin as a thin and watery discharge, then develop into a thicker and darker discharge several days into the illness.
Cold vs. Flu. If you experience a faster onset of symptoms, you may have the flu instead of a cold. For example, you may feel significantly worse within three to four hours if you have the flu. Flu-like symptoms may include a painful sore throat, a deep cough, extreme fatigue, and a sudden fever.Usually these can be treated at home.old vs. Flu. If you experience a faster onset of symptoms, you may have the flu instead of a cold. For example, you may feel significantly worse within three to four hours if you have the flu. Flu-like symptoms may include a painful sore throat, a deep cough, extreme fatigue, and a sudden fever.