I was diagnosed with tendinitis of the wrist. i work as a waiter at a restaurant. can i continue to use the wrist or should i take some time off work to heal?

If you are experiencing increased pain when using your wrist/hand at work, then you may need to take some time off to recuperate. What did the doctor who diagnosed your tendinitis say about working? If you experience no increased pain while using your wrist at work, then it is likely ok to continue. But, the doctor who made the diagnosis and examined you would know for sure whether you should work

I do agree with the other answer that was provided, however, it might be entirely feasible to continue working with the tendinitis if you are capable of working with a wrist splint. Just something else to consider.