Thanks for all these additional information.
I understand your concern.
Sorry for late reply and inconvenience.
I have reviewed your pictures and possible causes may include Herpes,Folliculitis.
And frequent rubbing,friction,shaving can cause recurrent episodes.
Now you have swollen lymph node in groin so I would recommend to see your doctor for a proper evaluation and management.
You need to undergo HSV 1 and 2 IgM and IgG.
You should avoid sex,shaving for a while.
Also you should use OTC 1% hydrocortisone cream mixed with bacitracin ointment on it.
And use OTC Abzorb powder.
Wear loose fitted clothes.
Let me know if you have any further query so we can discuss it thoroughly in every aspect.
Please use the REPLY/SEND BUTTON to reply back to me. It's request to avoid poor/bad rating.
Please provide a positive rating by clicking on 5 stars.
It’s my pleasure to continue this conversation until you satisfy.
Waiting for your response.