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The stomach mucosa is damaged, advise your dad to drink less.
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Hurry to the hospital to see if there is any damage to the internal organs.
There are bacteria in the water.
If it's just a case of coughing up blood.
There should be no problem. >>>More
Observe for yourself and stop drinking and eating spicy food. If there is still pain near the chrysanthemum, and there are small bubbles, then congratulations, you have won the lottery, perianal abscess. Hurry to the hospital and get treatment as soon as possible.
Let's go to the hospital for a check-up, it's not a trivial matter.
Take the initiative to create something else to fade these things, and if the two of them don't talk, they will always stop here, invite your dad to play some games or something together, create some new embarrassment, and your dad will definitely understand what you mean.