The Past 2 Weeks Ive Had Bad Pain On My

the past 2 weeks ive had bad pain on my left side below the rib cage yes my back seems to want to hurt also i figuared weather.then started getting throwing up sick,running a fever of 101.9 its just 99.7 right now,still the nagging pain have lost 10 lbs in 4 days feel sick to my stomach all the time its swelled some i have alot of stomach problems ever since 1987 an about 10 op on it have had mesh put in afew times,please i dont know what to do....