Welcome to the forum.
You need to take care of the deeper wounds. Periodic swelling of your wounds indicate that you have suppressed immune system or are diabetic. It is indicative of infection and inflammation that causes swelling, pus formation and other discomfort like redness
, pain, irritation, itching, etc.
You should see a clinician and get clinically examined. You should get blood tests done to rule out STD
or any other cause of scar inflammation. You may need antibiotics or injections.
For the deeper cut wound on your rigth arm you should maintain cleanliness. Wash the wound with water or saline, use of hydrogen peroxide
locally will be helpful, antibacterial cream, apply neosporin
powder or antibacterial ointment bacitracin
You can see a doc and get proper dressing and bandage done if required. Check your blood sugar levels and get treated. Take care.