Swollen mouth

[MrsLinks]

Hi,

I keep getting boats of a swollen mouth (especially under tongue) and sometimes lips and tongue. It isn't the whole if my mouth, parts if it feel extra fleshy and slightly sore. Can't see any ulcers or anything like that, it just looks the same colour as the rest of my mouth. Does anyone have an idea of what it could be.

I don't smoke and rarely drink.

TIA

allergic reaction to something?

Thanks.

I don't think it's an allergic reaction. It often lasts quite a few days (last time about a week). I haven't eaten anything unusual either, tonight's dinner was the same as last nights.