Doctor insights on:
What Are Cold Sores On Lips Caused By
Possible\unlikely: It is very unusual but possible for cold sores caused by a virus to appear on the inside of the lip, and when they do, it is most common near the insider border of the lip. They appear more often in clusters and as a blister, unlike canker sores (aphthous ulcers) which occur only inside the mouth and usually as a single white ulcer surrounded by a red inflamed border. ...Read moreSee 2 more doctor answers
Possible: Cold sore is cause by hsv i while genital herpes is usually caused by hsv ii. Could a cold sore cause genital herpes? It would be possible if the sore is actively shedding virus during oral sex. With cold sore, avoid contact until the lesion is healed over. ...Read moreSee 1 more doctor answer
Cold sores - HSV1: Yes - cold sores and fever blisters are the same thing and are most commonly caused by HSV-1. Rarely, HSV-2 can cause oral herpes given the increased practices of oral sex compared with decades ago (i.e. the 1950s). You will note STRESS causes these to come out (for example after a fever from another illness), so best to keep stress levels to an absolute minimum. These are infectious to others BTW ...Read more
Two different things: Cankers (recurrent aphthous ulcers) are an "auto-immune" type reaction to trauma/stress (such as biting your lip). They occur on the loose membranes of your lips, cheeks and floor of the mouth. Your dentist can treat with prednisone, laser or chemicals to cut pain. Cold sores are hsv. Abreva helps those some, but most need doc rx. Both go away without treatment in 10-14 days (pain only 3-5 days). ...Read more
Not the same : recurrent aphthous ulcers and other ulcers in the mouth are not the same. Causes of ulcers are many: Viral infections, particularly herpes simplex and herpes zoster Other infectious agents (Candida albicans and bacteria) Trauma Tobacco or irritating foods or chemicals Chemotherapy and radiation therapy. Cause of Aphthous ulcers is unclear. Diagnosis is clinical. Treatment is symptomatic. ...Read more
Virus: Cold sores are caused by the herpes virus and is a very common infection to get. It is estimated that 90+% of population has been exposed to this virus in childhood. Usually it is triggered by stress, lack of sleep, excess sunlight etc.. Sometimes people get them recurrently or once in awhile or sometimes once then never again. It depends but can be treated by Acyclovir and related drugs too. ...Read moreSee 1 more doctor answer
HSV1 and HSV2: There are two types of herpes simplex virus (HSV), cleverly called types 1 and 2. HSV1 causes almost all oral herpes (cold sores), but also causes many genital herpes infections. HSV2 causes most genital herpes. Genital herpes with HSV1 causes similar symptoms as HSV2, but less frequent outbreaks and uncommon sexual transmission to partners. ...Read more
Local/general/brain: Herpes simplex is a devastating infection in babies. The virus can enter from the birth canal & fetal membranes or be acquired during delivery. Skin sores may appear within days, or baby can circulate the germ as a blood poisoning & it ends up invading the brain & other tissues.Even aggressive treatment may not prevent the virus from creating swiss cheese like destruction of brain tissue. ...Read more
Not herpes: Although it is possible to get herpes lesions on other parts of the body (called herpes gladiatorum), it is rare and is v. unlikely in your case. Most probably you're body is reacting to the ill-fitting shoes. I would definitely stop wearing the shoes entirely and try to minimize any activity that makes the feet hurt. You need to rest and recover first. Keep off the feet and protect the blisters. ...Read more
Herpes Viruses: There are three herpes viruses. The common chicken pox is caused by a cousin to the other two "herpes' viruses. Chicken pox can now be prevented by the childhood varicella vaccination and hopefully with time we will see this eradicated. There are two herpes viruses. Herpes type one is found on or near the mouth more than 90% of the time. Herpes two is found near the genitals 95% of the time. ...Read moreSee 1 more doctor answer
Can cold sores be normal or are cold sores linked to the herpes virus. Meaning can someone have cold sores but my have the virus?
Cold sores: Most cold sores are called aphthous ulcers. They are caused by a virus that the majority of the population has. There is no cure, it usually lays dormant in the nerve endings and erupts in an incident after stress, trauma or external stimulants. They usually last 7-10 days and there are meds that can lessen the duration and intensity. Herpes is another possibility. See a dentist to have evaluated. ...Read more
Can be type 1 or 2: Cold sores on or near the lips are due to recurrence of herpes type 1 or 2. Herpes viruses, after the initial infection, live in a person's nerves and travel down the nerves to the surface to form blisters that break open, spreading more virus. Type 1 is more common on the lips, and type 2 more common on the genitals. With people engaging in oral sex, either type can be in one or both locations. ...Read moreSee 3 more doctor answers
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