Conclusion
Herpes on the buttocks can be unpleasant, but after a few weeks, it frequently fades away on its own with home therapies.
Herpes has no known cure, however, medical interventions can lessen the frequency and intensity of your outbreaks.
If your outbreak symptoms start to interfere with your everyday activities, see a doctor.
References
[1] https://www.hopkinsmedicine.org/health/conditions-and-diseases/herpes-hsv1-and-hsv2
[2] https://pubmed.ncbi.nlm.nih.gov/17012458/
[3] https://www.genome.gov/about-genomics/fact-sheets/Polymerase-Chain-Reaction-Fact-Sheet
[4] https://medlineplus.gov/druginfo/meds/a682159.html