As an STD assistant, I'm happy to provide information about the differences between HSV-1 and HSV-2, the viruses that cause oral and genital herpes respectively.

HSV-1 (herpes simplex virus type 1) is more commonly associated with oral herpes, causing cold sores or fever blisters around the mouth area. However, it can also cause genital herpes through oral-to-genital contact.

HSV-2 (herpes simplex virus type 2) is the main cause of genital herpes, characterized by painful sores or blisters in the genital and anal areas. It is almost exclusively sexually transmitted.

Both viruses can cause outbreaks with clusters of fluid-filled blisters that eventually crust over and heal. The main differences lie in their typical locations and transmission routes.

Regarding outbreaks, certain triggers like stress, illness, hormonal changes, or skin irritation can potentially cause flare-ups for both HSV-1 and HSV-2, even without obvious symptoms. However, the frequency and severity can vary from person to person.

It's important to note that even without visible outbreaks, it's still possible to transmit the virus through viral shedding. Consulting a healthcare professional for proper testing and management is highly recommended.

I understand this can be a sensitive topic, but please know that herpes is a very common condition, and there are effective ways to manage it. If you have any other concerns, I encourage you to speak with a doctor or sexual health expert for personalized guidance and support.