Does Omeprazole Cause Food Reflux And Small Hiatus Hernia?

have small hiatus hernia, food not getting stuck but feels strange after food, like if there is a small ball there!! odd feeling, stabbing under left breast which radiates to upper back, on omeprazole 1x40mg daily....i take it in the morning and makes me feel really strange and anxious...i am not an anxious person at all but i feel really shakey, could this be the omeprazole..thanks foryour help Gill age 47