Cold sores are common and usually clear up on their own within 10 days. But there are things you can do to help ease the pain. A cold sore usually starts with a tingling, itching or burning feeling. Over the next 48 hours: Cold sores should start to heal within 10 days, but are contagious
and may be irritating or painful while they heal. Some people find that certain things trigger a cold sore, such as another illness, sunshine or menstrual periods.
Other possible causes of your symptoms How long cold sores are contagiousCold sores are contagious from the moment you first feel tingling or other signs of a cold sore coming on to when the cold sore has completely healed. A pharmacist can help with cold soresA pharmacist can recommend:
You can buy electronic devices from pharmacies that treat cold sores with light or lasers. Some people find these helpful, but there have not been many studies to confirm if they work. Information: If you regularly get cold sores, use antiviral creams as soon as you recognise the early tingling feeling. They do not always work after blisters appear. Find a pharmacy Things you can do yourselfCold sores take time to heal and they're very contagious, especially when the blisters burst. Important: ImportantKissing a baby if you have a cold sore can lead to neonatal herpes, which is very dangerous to newborn babies. Do
Don’t
Non-urgent advice: See a GP if:
Treatment from a GPA GP may prescribe antiviral tablets if your cold sores are very large, painful or keep coming back. Newborn babies, pregnant women and people with a weakened immune system may be referred to hospital for advice or treatment. Why cold sores come backCold sores are caused by a virus called herpes simplex. Once you have the virus, it stays in your skin for the rest of your life. Sometimes it causes a cold sore. Most people are exposed to the virus when they're young after close skin to skin contact, such as kissing, with someone who has a cold sore. It does not usually cause any symptoms until you're older. You will not know if it's in your skin unless you get a cold sore. Page last reviewed: 20 July 2020 How do you get rid of a cold sore in 24 hours?Unfortunately, you can't get rid of a cold sore in 24 hours, but you can shorten cold sore healing time and cut down the duration of painful cold sore symptoms. Just because there isn't a cure for cold sores, doesn't mean you have to suffer patiently until it clears up on its own.
What helps Coldsores go away?Because cold sores are caused by a virus, doctors may suggest an antiviral medication to help you heal more quickly. The antiviral drugs used to treat cold sores include acyclovir (Zovirax), valacyclovir (Valtrex), famciclovir (Famvir), and penciclovir (Denavir).
What causes a cold sore overnight?They're usually caused by herpes simplex virus type 1 (HSV-1), and less commonly herpes simplex virus type 2 (HSV-2). Both of these viruses can affect your mouth or genitals and can be spread by oral sex. Cold sores are contagious even if you don't see the sores.
What triggers a cold sore?Cold sores are caused by the herpes simplex virus. Once the herpes simplex virus is in you, it can cause outbreaks of cold sores. Cold sore outbreaks are often triggered by exposure to hot sun, cold wind, a cold or other illness, a weak immune system, or even stress.
|