Postpartum Headache after CS

Hanggan kailan po ba yung headache after CS delivery?? I am now on my 5 weeks postpartum. Meron po ba possibility na may complication? Iba kasi naramdaman ko, Headache na sharp pain sa any part ng head until on my both ears, na nkaka disturbo na parang may pressure na nkakabingi yung sakit. tas parang sabay toothache, tas meron pa stiff neck, dizziness,. It will be lessen if I lay flat. Meron pa dito same experience ko? Is it related to anesthesia po yung naramdaman ko? Salamat po sa mka sagot.