This is most probably planter fascitis and need detailed evaluation and imaging to confirm that diagnosis.
We have a big series of patients like you successfully treated with ESWT.it is noninvasive and non operative treatment and has no side effects.
Please see my website www.eswtindia.com
Next Steps
you can avoid long standing and walking
Health Tips
pain killers will relieve pain for a while but if you want a cure ESWT is the answer.