bisect; bisectable; bisected; bisection; Bishop; Bishoprick; Bissell, Wilson Shannon; Bissextile; bit; biting; bitter; bitter animosity; bitter enemy; bitter feelings; bitter harangue; bitter words; bitterness; bivium; bizarre; bizarreness; blabber; blabbing; black; Black book of the admiralty; Black book of the exchequer; black cap
Nausea and sore throat can be caused by a cold (due to a bacterial infection). There are bacteria that cause upper respiratory infections and settle in the throat. Sore throat is common during such an infection. Infections also tend to cause upset stomach and can cause nausea.
Other conditions that might cause headaches and nausea include: 1  Cold, flu, or stomach flu. 2  Common viruses that cause cold, flu, and stomach flu -- or gastroenteritis -- can cause headache and nausea. 3  Both can range in intensity from mild to severe.