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Feb. 25, 2020 They're painful. They're unsightly. They're annoying. Cold sores (aka fever blisters) are just plain unwelcome. When one pops up on your lip or mouth, you probably immediately think: What's the fastest way to get rid of this thing? "Herpes simplex virus — the virus that causes cold sores — is incredibly contagious, and infection with the virus is really common," says Dr. Donald Brown, primary care practitioner at Houston Methodist. "In fact, more than 50% of adults in the U.S. are infected with the type of herpes virus that most commonly causes cold sores. Interestingly, however, most people who contract the virus never actually develop symptoms." If the virus does cause cold sores, it can spread from person-to-person through close contact, like kissing. But, while you may not know it, the virus can also spread by sharing:
"The virus is most contagious when a cold sore is present, particularly when the blister begins to ooze," Dr. Brown adds. "However, it's important to know that you can still spread the virus long after a cold sore heals — as well as when a blister isn't even present." For those who are no stranger to those painful, fluid-filled blisters, when you get a cold sore, you probably want it gone — fast. What are the best ways to get rid of a cold sore?Unfortunately, there's no cure for cold sores, and it can take between two to four weeks for a cold sore to heal on its own. But, there are things you can do to make them go away faster. Here are three things that can help soothe a cold sore or make it clear up faster: 1. Try home remedies. When used early, there are several remedies that can help ease the pain and reduce swelling — and may even shorten the duration of a cold sore:
2. Apply topical creams and ointments. There are a few over-the-counter anesthetic ointments and creams that can help control pain, such as lidocaine or benzocaine. Some products, such as those containing docosanol or benzyl alcohol, may even promote faster healing when used early and in plentiful amounts. 3. Take prescription medications. There are antiviral drugs that can help cold sores heal faster, including acyclovir, valacyclovir, famciclovir and penciclovir. If you're having frequent outbreaks or experiencing some of the serious side effects of having a cold sore, your doctor may consider prescribing antiviral medication. "To get rid of a cold sore quickly, the best thing you can do is start treating it as soon as possible," says Dr. Brown. "A burning or tingling sensation on your lips or face can be an early warning sign that a cold sore is developing, and the earlier you start reducing swelling and treating the cold sore, the faster it will heal." How can I stop cold sores from forming?So you nipped your last cold sore flare-up in the bud (like a champ), and it lasted less than a week — but here you are, just a few months later, and the cold sores are back. There's good news, and then there's bad news. Let's start with the bad news. "Once a person is infected with herpes simplex virus, he or she is infected for life," says Dr. Brown. "After a cold sore heals, the virus isn't actually cleared from your body. Instead, the virus travels back into your nerves, where it can lie dormant for long periods of time. When the virus reemerges, it typically does so in the same spot as before." So what triggers the virus to reactivate and cause a flare-up? Dr. Brown says that a cold sore outbreak can be triggered by:
But, here's the good news. While there's not much you can do about some of these triggers, others can be avoided. "Stress can weaken your immune system, which may be a trigger for cold sores to reemerge. If you suffer from cold sores and think they may be caused by stress, it's a good idea to manage your stress via mediation or other relaxation techniques," suggests Dr. Brown. "If you've noticed that your flare-ups are linked to sunlight, be sure to apply sunscreen or sun-protective lip balm before going out in the sun." Stay up-to-date By signing up, you will receive our newsletter with articles, videos, health tips and more. Please Enter Email Please Enter Valid Email Cold sores are small blisters around the mouth, caused by the herpes simplex virus. They are sometimes called fever blisters. 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
simplex is not curable, but may lie dormant for a long time. Episodes of the cold sores last no longer than 2 weeks. Hot sun, cold wind, a cold or other illness, or a weak immune system can cause an outbreak of herpes simplex virus. 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. Some people don’t have any symptoms with the first attack; others have flu-like symptoms and ulcers in and around the mouth. While each person may experience symptoms differently, these are the most common: Tingling of the lips, commonly felt before cold sores appear Small blisters on the lips and mouth that enlarge, burst, then crust over Itching, dryness, and irritation of the lips and mouth Soreness of the lips and mouth How are cold sores diagnosed?Your doctor can often diagnose cold sores by examining the sores. If the diagnosis is unclear, he or she may culture the sore by taking a sample of cells using a swab and examining it under a microscope. How are cold sores treated?Cold sores can’t be cured, but, if symptoms are severe, treatment may help relieve some symptoms. Treatment may include:
Cold sores take about 1 to 3 weeks to heal. The first time they appear, they can take up to 3 weeks to heal. But, when cold sores return, they usually take a week to heal if no medicines are used. Antiviral medications may help, but they need to be started before day 3 or 4 of the blister formation. Antivirals are usually not recommended for otherwise healthy people. Always consult your health care provider or dentist if the sore does not heal or becomes worse as time passes. Can cold sores be prevented?If you have never had a cold sore, avoid skin-to-skin contact with someone who has an active cold sore. If you have had a cold sore, you may prevent or reduce the number of recurrences by determining what triggers your outbreaks and avoiding the trigger. For instance, if sun exposure is a trigger, use sun screen when in the sun. If you have frequent outbreaks, consult with your health care provider. Starting treatment as soon as you know you are developing a cold sore can promote healing and reduce the time it takes a cold sore to heal. Key points
Next stepsTips to help you get the most from a visit to your health care provider:
How do you get rid of a cold sore inside your mouth?There are antiviral drugs that can help cold sores heal faster, including acyclovir, valacyclovir, famciclovir and penciclovir. If you're having frequent outbreaks or experiencing some of the serious side effects of having a cold sore, your doctor may consider prescribing antiviral medication.
What causes cold sores on inside of mouth?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.
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How long do cold sores last inside mouth
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