abdominal pains

42 yo M with all time, headaches, inflammation, aches and pains

I recently qualified & have a 42yr old overweight male, who is taking Omeprazole & Citralapram. All symptoms point to low stomach acid as expected but I’m reluctant to ask him to stop meds. Any ideas? He is presenting a range of symptoms from tired all time, headaches, inflammation, aches…