On 2018-11-26 7:56 p.m., dsi1 wrote:

> I had a scoop of ice cream yesterday and have been paying for it for
> the last 24 hours. I can sometimes eat dairy products with no problem
> but sometimes I cannot. My guess is that I can cure myself by eating
> some yogurt and then drinking a little milk every day to keep a
> robust colony of lactose loving bacteria alive and thriving in my
> gut. Well, that's my theory anyway. My guess is that lactose is
> hitting me so badly because I've been very good at avoiding it
> recently.
>

Look for kefir. It is fermented milk and has the stuff your guts need
to deal with the lactose. They now have sweetend, flavoured kefir that
are a lot like a milk shaks.