Doctor insights on:
Fever Blister Not Herpes
There are different types of herpes infections; herpes simplex infection of mouth (gingivostomatitis) and lips (labialis) are the most common. Others include genital herpes, and herpes zoster. Herpes infection could very mild to very dangerous depending on the type and location of the body affected. I ...Read more
Blisters: Yes, depending on what's inside them.Get a more detailed 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
Herpetic lesions: Canker sores of herpetic origin can be treated palliatively to give relief from the soreness. Abreva is an over-the counter topical gel/medication that you can purchase at your pharmacy that will reduce the length of time that the lesion is active. Your dentist or physician can also prescribe an anti-viral drug (ie. Acyclovir) that can also reduce the length of time and/or onset of appearance. ...Read more
Can herpes that causes innocent oral fever blisters & cold sores be sexually transited to someone else as genital herpes?
Herpes - HSV1 & HSV2: Yes - unfortunately there can be cross over between the 2 different types of herpes. These viruses are always adapting and looking for 'new opportunities' and although traditionally, HSV-1 kept to the mouth/nose and HSV-2 kept to the genital tract, there can be 'back and forth' transmission of these viruses in susceptible patients. This is a reminder to keep ALL safe sex practices in mind! ...Read more
Follow up: dr. Raff -- you said that canker sores do not cause genital herpes. Are canker sores herpes simplex 1 just like a cold sore?
Canker sores: Aphthous stomatitis is not due to herpes simplex. Dr. Namey and dr. Perkins have provided excellent advice and would read these carefully. The location of the herpetic lesions (oral v. Genital) no longer is specific for types 1;2. Cold sores may be herpetic, but not canker sores. ...Read moreSee 2 more doctor answers
Yes: Genital herpes usually causes blisters on the vulva (around the vaginal opening).They will break open & form ulcers.Usually the infection goes to the uterine cervix(neck of the womb)causing cervicitis. Sometimes infection goes to the urethra(urine channel) causing urethitis with painful urination. ...Read moreSee 2 more doctor answers
It can be: It can beGet a more detailed answer ›
Yes!: Herpes zoster, also known as shingles, is a contagious viral infection. It is a reactivation of the varicella virus that causes chickenpox. You would be contagious to someone who who has never had chickenpox before or has never been vaccinated. You should keep the area covered at all times and wash your hands often. Stay clear of pregnant women, infants and immunocompromised people. ...Read moreSee 1 more doctor answer
Reoccuring rash (small blisters)on right buttock, tested for herpes, I do not have herpes. If not shingles or herpes what could it be?
Celiac?: A number of conditions can cause lesions like you describe. See a dermatologist. ...Read more
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