What is located on the lower edge of your penis?
Check out Pearly Penile Papules - see if that fits whatever this is.
Because signs can vary a great deal, we recommend that an individual see a healthcare provider to be tested if they have a lesion of any kind. This can be swabbed for a culture test or for other sensitive tests. If you do indeed have herpes, there are antiviral medications that can shorten the outbreak and help control the symptoms. If you are researching on the web, The Mayo Clinic is a good resource: https://www.mayoclinic.org/diseases-conditions/genital-herpes/diagnosis-treatment/drc-20356167
I am not comfortable opening a picture. What are your symptoms and where are they located?