For two times now, I had my lips and tongue swollen. It feels like there are little bumps on my lips. It hurts really bad and it lasts for a couple days. Slowly, it will return to normal but my lips will stay very dry and tight for a few days. My throat feels weird too. Like there is something stuck in it. A little soar.
Could this be an allergic reaction?

YES! And it is a very DANGEROUS allergic reaction! Do you know what is causing it? You should consider seeing an allergist to pinpoint the cause and learn what to do about it (like get an Epi-pen in case of accidental exposure to the allergen).

I dont mean to scare you, but this kind of reaction - called anaphylaxis - can lead to death if not treated properly. It is also likely that it will only get worse with continued exposure to the allergen. It is very important you find the cause.

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Angel, et al