Since taking them for the last 3 days not sure if it can increase anxiety symptoms but i feel like it has with me. The main side effects i feel from the medication are flatulence and my head feeling funny, like when i close my eyes my head feels like it’s spinning a little inside and making me feel uneasy, notice it more when i am trying to sleep at night. If these are common side effects of taking omeprazole 20mg twice a day normal (prescribed by GP) will they subside? or will i feel the same until i stop them.