Stop treating out yourself. Don't worry about money. If that's the case go visit a general surgeon or an orthopaedic at a government hospital.
This wound can worsen quickly and it could also lead to a disastrous consequence which is gangrene requiring amputation!
No one wants that so stop wasting time on creams.
Get yourself proper antibiotics and blood
sugar control which can only happen at proper hospitals.
Next Steps
go visit nearest hospital
Health Tips
don't waste time