I HAD MY FIRST IPL TREATMENT 2 + WEEKS AGO. DURING THE TREATMENT I GOT A VERY BAD HEADACHE. IMMEDIATELY AFTER THE TREATMENT I FELT WEAK, LIKE MY STRENGTH HAD BEEN ZAPPED. LIKE I SAID, IT'S BEEN 2 ALMOST 3 WEEKS AND I STILL FEEL WEAK AND HAVE A LINGERING HEADACHE. HAS ANYONE ELSE EXPERIENCED THIS?