insanity max 30 and headache

saradsilva

Hi!
I've completed t25 3 weeks ago and today i started insanity max 30,during these 3 weeks i haven't worked out at all.
Today after 10 minutes in the workout i started having these shooting headache pains and had to sit down..i wanted to take a break only and continue but it was impossible,following the headache was nausea.
This never happened before,could it be because of the intensity of the workout and me not being used to?Since i've stoped working out for 3 weeks?
I'm afraid that this could happen again and i dont want to feel discouraged to carry on,and also dont want to lose my progress.
I've ate breakfast 1h before,plenty of protein and carbs,and plenty of water.
Have this happened to someone?
I'm thinking on starting again with some light exercices for 1 week and then start insanity,what do you think?