Erythromycin is not a blood thinner rather an antibiotic.
Covaxin and Covishield can be given if patient taking erythromycin.But in immunocompromised condition vaccine should be taken after consult.
Diabetes is one of those conditions but if the
sugar level are within normal range than there is nothing to worry.
Next Steps
Any query regarding both vaccines u can consult via video call or chat