Is Nausea, A Side Effect Of Amoxcillin Tablets?

Im having an allergic reation to Amoxcillian which is a new thing for me at age 37, i have had nausea and vomiting for 2 days and have been unable to eat, just realized that this was a side effect last night so did not take my night dose so last one i took was yesterday early afternoon.. how long will this nausea last?