its not an animal, its Rue who gives Katniss the medicine
She goes to the "feast" in the arena, and grabs the backpack with medicine in it.
A snake
It helped heal their burns
By playing up to the crowds Katniss gets more sponsors which helps her get life saving supplies in the Arena.
Suppurters supported Katniss by bringing her some medicine for her wound. She covered the wound with it and the next morning it was clearly almost gone. Katniss used the same thing on Gale when his leg was cut.
what animal that gives a medicena
It doesn't say, it just says that it is in a syringe.
She goes to the "feast" in the arena, and grabs the backpack with medicine in it.
The first sponsor gift that Katniss received was medicine for her burns.
Antalope.
The first sponsor gift Katniss recieved was the burn medicine.
She needs blood poisoning medicine
Medicine for Peetas leg.
Katniss's first gift was burn medicine for her leg that got badly and painfully burned while trying to escape fireballs
Antalope.
A snake
It helped heal their burns