I've Just Come Off Of Augmentin For 7 Days ,

I've just come off of Augmentin for 7 days , I had a sinus infection . However now I'm experiencing the glands in my neck frontal are swollen , sore , throat sore , spitting up mucus thick type greenish and I'm very sluggish and tired feeling . 6 day's now . No fever present , just very fatigued