Can chronic masturbation like 3 to 4 times a day for month cause epididymo orchitis? . I think so because I had this without any infection.

Here are some ... Clinically & apparently, you let sex overindulgence & obsession rein and ruin your life. To gain self-control? Stop masturbation and give your overrun body a break /rest for self-repairing toward optimal functional recovery. How soon this can be? It may vary and time/patience is best medicine at this time. But if the condition fails to improve as expected and wished, seek timely professional help.