Is Shingles Contagious?
Shingles, also known as herpes zoster, is a viral infection that affects the nerve fibers and the skin. The condition is caused by the same virus responsible for chickenpox, the varicella-zoster virus. After a person has recovered from chickenpox, the virus remains dormant in the body and can reactivate later in life, causing shingles.
One of the most common questions people ask about shingles is whether it is contagious or not. In this article, we will explore the answer to this question, as well as other important information about shingles.
Is Shingles Contagious?
The short answer is yes, shingles is contagious, but not in the same way as chickenpox. While chickenpox can be spread through the air when an infected person coughs or sneezes, shingles is spread through direct contact with the fluid from the blisters that appear on the skin of an infected person.
According to the Centers for Disease Control and Prevention (CDC), a person with shingles can spread the virus to someone who has not had chickenpox, causing them to develop chickenpox, but not shingles. This is because the virus that causes shingles is the same one that causes chickenpox, but the virus is reactivated in a different way.
If a person who has not had chickenpox comes into contact with the fluid from the blisters of a person with shingles, they can develop chickenpox, but not shingles. Once a person has had chickenpox, the virus remains dormant in their body and can reactivate later in life, causing shingles.
It is important to note that shingles is less contagious than chickenpox, and the risk of spreading the virus is lower. The virus is most contagious when the blisters are oozing, and it is important to avoid direct contact with the fluid from the blisters.
Who is at Risk of Developing Shingles?
Anyone who has had chickenpox is at risk of developing shingles later in life, but the risk increases with age. According to the CDC, about one in three people in the United States will develop shingles in their lifetime, and the risk increases after the age of 50.
Other factors that can increase the risk of developing shingles include:
Having a weakened immune system due to illness or medication Undergoing chemotherapy or radiation therapy Having an organ transplant Having a history of stress or anxiety Symptoms of Shingles
The symptoms of shingles usually develop on one side of the body and can include:
Pain, burning, or tingling on the skin A rash that appears as red blisters Itching Fever Headache Fatigue The rash typically lasts for two to four weeks, and the blisters will eventually crust over and heal. In some cases, the pain can persist after the rash has healed, a condition known as postherpetic neuralgia.
Treatment for Shingles
There is no cure for shingles, but treatment can help reduce the severity and duration of the symptoms. Antiviral medications such as acyclovir, valacyclovir, and famciclovir can help reduce the length and severity of the illness if taken within 72 hours of the onset of symptoms. Pain relievers such as acetaminophen and ibuprofen can help relieve the pain and discomfort associated with the rash.
Preventing Shingles
The best way to prevent shingles is to get vaccinated. The shingles vaccine, also known as the zoster vaccine, is recommended for adults over the age of 50, even if they have had shingles before. The vaccine can reduce the risk of developing shingles by more than 90% and can also help reduce the severity and duration of the illness if a person does develop shingles. The vaccine is administered as a single dose and is safe and effective.
In addition to vaccination, there are other steps a person can take to reduce their risk of developing shingles. These include:
Maintaining a healthy immune system through regular exercise, a balanced diet, and stress management Getting enough sleep and rest Avoiding contact with people who have shingles, particularly if they have blisters that are oozing fluid Practicing good hygiene, including washing hands regularly with soap and water
In conclusion, shingles is a viral infection that is caused by the same virus responsible for chickenpox. It is contagious, but not in the same way as chickenpox. A person with shingles can spread the virus to someone who has not had chickenpox, causing them to develop chickenpox, but not shingles. Shingles is less contagious than chickenpox, and the risk of spreading the virus is lower.
Anyone who has had chickenpox is at risk of developing shingles later in life, but the risk increases with age. Symptoms of shingles can include pain, burning, or tingling on the skin, a rash that appears as red blisters, itching, fever, headache, and fatigue. Treatment can help reduce the severity and duration of the symptoms, and prevention through vaccination is the best way to reduce the risk of developing shingles.
It is important to note that if a person develops shingles, they should avoid contact with people who have not had chickenpox, particularly if they have blisters that are oozing fluid. Practicing good hygiene and taking steps to maintain a healthy immune system can also help reduce the risk of developing shingles.
References:
Centers for Disease Control and Prevention. (2021). Shingles (Herpes Zoster). Retrieved from https://www.cdc.gov/shingles/index.html
Mayo Clinic. (2021). Shingles. Retrieved from https://www.mayoclinic.org/diseases-conditions/shingles/symptoms-causes/syc-20353054
National Institute of Neurological Disorders and Stroke. (2019). Shingles: Hope Through Research. Retrieved from https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Hope-Through-Research/Shingles-Hope-Through-Research
World Health Organization. (2017). Herpes Zoster (Shingles). Retrieved from https://www.who.int/news-room/q-a-detail/herpes-zoster-(shingles)