Does Depo Cause Vomiting,nausea And Headache?

i have been on depo for over 3 years only bled about 3 times which lasted a day and was just spots. 8 days ago i started light bleeding for 2 days then no bleeding for 2 days then brown spotting for 3 days also on the 6th day i was vomiting for almost 12 hours on and off for the past 5 days i have had nausia headaches and bad fatigue, is this normal