It's always tricky though. Are the symptoms due to starting the new medication, or withdrawal from the old.
Apparently the reason so many medications indicate 'headache' as a possible side effect is that for drug trials the subjects have to stop taking caffeine in case of complicating factors. So no coffee. Or similar. And thus... caffeine withdrawal.
no subject
Apparently the reason so many medications indicate 'headache' as a possible side effect is that for drug trials the subjects have to stop taking caffeine in case of complicating factors. So no coffee. Or similar. And thus... caffeine withdrawal.