I think I have a cold sore developing on my upper lip. Does this mean I have herpes?

Possibly. It is true that some cold sores on the lips are a form of herpes called herpes simplex type 1. This does not mean that you have genital herpes. Herpes viruses are common and many people get cold sores. If they are frequent then there are medications that your doctor can prescribe treat this type of herpes.

Related Questions

How can I know if I have a cold sore in the middle of my upper lip but it doesn't really look like one?

Cold sores. Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). Tingling ;/or pain can herald the oncoming of cold sore 1 to 2 days prior to eruption. If uncertain - your doctor can determine. Read more...

I have a cold sore that turned into a rash all over my upper lip. How can I treat this any help would be appreciated thank you.?

See derm. You probably need bactroban (mupirocin) ointment, a steroid ointment or both, see your dermatologist. Read more...
Pills & cream . Topical zovirax and systemic Valtrex (valacyclovir) or equivalent should be effective to treat this condition. See your doctor for proper diagnosis and treatment. Read more...

If you have a cold sore on your lip, does this mean you have full fledged infectious herpes?

Yes. I am not sure what you mean by "full fledged" infectious herpes, but i will say you do have active infectious herpes that can be transmitted and needs to be treated. Read more...
Maybe. A sore anywhere is difficult to self diagnose. It'd be a quick stop at a dentist office to get an opinion. If one develops a blister/bump on the lip from HSV, it is infectious. Care not to touch and spread the virus should be taken. A dentist can Rx you antiviral medications that are right for you. Read more...

I have a cold sore on my lip, I forgot to wash my hands then I scratched my vagina. Does that mean I will get herpes? What is the chance?

Herpes simplex. It is unlikely that you will transfer the virus to your vaginal area. Most commonly the cold sore you have, if due to herpes simplex, is a recurrence at the site of your original infection with this virus, and that most often happens in the same place it was inoculated. Although it is conceivable that you will recur in another site it is very very unlikely. Read more...