my parrot leg is swollen

[erisco]

Hi,
My parrot one of legs are swollen and he has pain and always keeps it high.
I took him to the vet and told me he had a infection and give him this drugs:
1. Mobipharm tab
2. Clindahexal tab
3. B complex
4. Enro 10%
i use them for 3 days but nothing happened.
at the end i tell his the feathers of thighs are poured.
could u help me? im so sad ...