Our expert says:
I suggest that your boyfriend makes an appointment with a gastroenterologist, in order to have a gastroscopy and colonoscopy done, as it is possible that he is suffering from a severe gastritis.
In the interim he can use Maxalon tablets for the nausea, Bascopan Co for the cramps and Gaviscon Advanced for the gastric irritation. These medication is available over the counter at pharmacies. He will also have to ensure that he stays hydrated by drinking a lot of fluid.
Dr Anrich Burger
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