Herpes is a disease caused by two viruses — HSV-1 and HSV-2. Learn about the symptoms, diagnosis and treatment of this common condition.

Jun 10, 2025 · This cross-reactivity between HSV-1 and HSV-2 glycoproteins is why many commercially available serologic assays cannot reliably distinguish between HSV-1 and HSV-2 antibodies.6

However, it is possible for HSV I to cause genital herpes and HSV II to cause oral herpes. Clinicians cannot tell the difference between the two types by physical examination alone, but there are …

Herpes encephalitis is caused by the herpes simplex virus. Most are caused by herpes simplex virus type 1 (HSV1). This is the virus that also causes cold sores. The disease may also be caused by …

Whether you call it a cold sore or a fever blister, oral herpes is a common infection of the mouth area that is caused by herpes simplex virus type 1 (HSV-1). Fifty percent to 80 percent of U.S. adults have …

Herpes simplex virus 2 (HSV-2) is sexually transmitted. Symptoms include genital ulcers or sores. The virus can also lead to complications such as infection of the lining of the brain and the brain itself …

The most common strain of the virus causing cold sores is herpes simplex virus 1. It can be spread by kissing or sharing eating utensils or even sharing towels.

Herpes: HSV-1 and HSV-2 High Blood Pressure/Hypertension High Cholesterol HIV and AIDS Human Papillomavirus (HPV) Hydrocephalus Hyperthyroidism Influenza Irritable Bowel Syndrome (IBS) …

There is no cure for HSV, but medicine can shorten an outbreak and reduce symptoms. HSV can be passed on from the mouth to the genitals during oral sex. The virus can be passed on to sexual …

Herpes simplex virus Cytomegalovirus Measles virus These germs are usually easily passed from one person to another (contagious). What are the symptoms of tonsillitis? Each person may have slightly …