doxycycline food The risk of getting tendon problems is higher if you are over 60 years of age are taking steroids corticosteroids have had a kidney, heart or lung transplant physical activity or exercise kidney failure tendon problems in the past, such as in people with rheumatoid arthritis RA hear or feel a snap or pop in a tendon area bruising right after an injury in a tendon area unable to move the affected area or bear weight.