Thank You for consulting HealthcareMagic!
It may be indigestion
. It may also be food poisoining but based on given information, chances are less. a Physical examination is mandatory to assess this since there are variety of other causes that needs to be ruled out.
Stay healthy and thank you for consulting! You can contact me again anytime, if you need clarifications or further assistance in future. Kindly rate the answer if you are satisfied.