Hello dear, Thanks for being on Healthcaremagic.com. You apparently having pulsatile headache,which is probably episodic,associated with non-specific symptoms(stomach moving up and down).It can be a variant of Tension type headache related to anxiety. Migraine can also manifest like this but typically has associated nausea,visual aura and associated with a trigger factor like stress,sunlight,smoking,alcohol,some food item like cheese,coffee,tea or any other factor. Medicines like amitriptyline and beta-blockers may help.Please visit your physician,so that he takes detailed history to establish the diagnosis and start treatment.I hope it helps.