Testicular pain can be caused by a lot of things. Here's a list of possibilities: https://medlineplus.gov/ency/article/003160.htm. And here is a whole article: https://www.mayoclinic.org/symptoms/testicle-pain/basics/causes/sym-20050942 Now, you are not in severe pain and don't have associated symptoms of nausea, fever chills or blood in urine (good!) but this is lasting more than a few days. When that is the case, it is recommended to see a doctor 'soon'. I understand about the virus but cases in my area are going way down and doctors offices have opened back up. Use necessary precautions such as a mask if you so desire. Take your own pen to sign in. All the obvious stuff. But you should see a doctor at this point. Also, some doctors will do telemedicine to talk to you so at the very least, try to do that. They charge you like it is a doctor's appointment but it's still medical guidance. So, that's an option too. But I think you need to go the doctor. The intermittent pain could be intermittent torsion, for example. You want to get that looked into.