Three important micronutrients needs to be there for Tendon injury recovery in your diet, Vit A , Vit C , Iron , deficiency of any of these leads to poor recovery.
Number of times tendonitis is there because of poor movement patterns leading to overload. To correct that manual therapy interventions are required.
When you are considering orthopedic opinion be prepared for corticosteroid injections as well which will make your tendon then if you don't do precise Exercise.
Visit a sports injuries specialist
Next Steps
check Vit A,
Vitamin C and Iron level in blood
Health Tips
Get an MRI first then visit orthopedic doctor and sports Physiotherapist. 2-3 Months is the minimum time from comprehensive treatment for recovery.