[header] How to relieve joint fluid pain [title] Rest the joint. [step] The best thing you can do for a swollen joint is to stop using it and just rest the joint. For example, if one or both of your knees are swollen, then get off of your feet. 
If your elbow is swollen, then stop moving it for a while. [substeps] If you have a physical job, then you may need to ask for a day off of work.