It is important to treat tendon injuries as soon as possible, as any activity or strain you put on your tendon can re-injure it further.
Although steroid injectionsmay provide temporary relief from the pain of tendinitis or tendinosis, they should generally be avoided as theyweaken the tendon. If you do opt for an injection, doctors usually recommend that you do not participate in strenuous activities for several weeks to reduce the risk of a rupture.