First cycle

stats
6ft
129kgs
bf 10%
training 5years
28

using 50 dbol daily and 500 test weekly

been on cycle 5 weeks no problems, working out today and every time i hit around 8reps on any exercise i get shooting pain in head that is unbearable?

please help... side affect? or head exploding?

cheers ps in huge pain still so quick please