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.
The most common cause of nausea after eating is of course owing to the fact that your body is unwilling to accept, accommodate, digest and excrete the food that you have just taken in. Vomiting and nausea are both, ways of the body to tell you that the food that has been sent in is not welcome.