Welcome here on healthcaremagic dot com a site for solving your health problem online by qualified healthcare professional.
I am very much concerned with your problem and certainly will guide you how to get rid of these.
In my view
You must not take any headache in pregnancy
Because it can be SYMPTOME OF PREECLAMPSIA
I suggest you to
Go to your GP and get your condition evaluated.
you used is a symptomatic medicine to lower the fever
whatever the cause.
Dr Bandil K K