Well done for being fluent in two different languages, that must have been very difficult to do. You can definitely get an esol job with those credentials
it could be an infection you should see a doctor.
The vulva and vagina can be red, swollen, and painful.
If the red swollen mark at the back of your hand seems like a raised red welt and there is a spot on the middle and feels so itchy and painful, then probably it is a spider bite.
It is not likely.
poison ivy or oak
When it is any of the following; swollen, tender, red, throbbing, painful or sensitive.
Hard bony lumps or enlargements, called Heberden's nodes can appear In smaller joints, like the fingers on the first knuckle and/or Bouchard's nodes on second knuckle may form. These are not necessarily painful, however they stiffen the fingers significantly. Osteoarthritis in the feet can cause bunions making them red and swollen and eventually painful.
it is a possibility its leg is broken or it got cut and got infected
it could be infected go see a dr
If its been swollen, discolored (red/purple), or itchy for more than 2-3 weeks. Or if the drainage from the piercing is a dark yellow/greenish color. It could just be irritated if its red and swollen. Go check with your piercer to be sure.
I think it could be a stye but I'm not sure. i have the same thing. and it is really sore.
Normally it would be red with pus and very swollen. It would be unusually painful and you would defiantly know.