Cold sores are a common and annoying problem. They cause pain and often show up at the worst times. This guide will help you understand how to get rid of cold sores quick, including treatments, home remedies, and prevention tips.
What causes cold sores
Cold sores are caused by the herpes simplex virus type 1 (HSV-1). The virus is highly contagious and spreads through direct contact with an infected person's skin or saliva. Common triggers include:
- Stress: Physical or emotional stress can weaken the immune system, making it easier for the virus to reactivate.
- Illness: Colds, flu, or any illness that weakens the immune system can trigger cold sores.
- Sun exposure: Prolonged exposure to sunlight can trigger an outbreak.
- Hormonal changes: Hormonal changes, such as those during menstruation, can also trigger cold sores [1][2].
Immediate treatments
If you feel a tingling or itching sensation, acting quickly can help reduce the severity and duration of a cold sore.
How to get rid of a cold sore in 24 hours
While it's difficult to get rid of a cold sore in 24 hours, starting treatment as soon as you notice symptoms can significantly reduce the duration [2].
No treatment can kill cold sores instantly, but certain antiviral medications and topical treatments can help speed up the healing process [1][2].
Antiviral medications
- Prescription antivirals: Medications such as acyclovir, valacyclovir, famciclovir, and penciclovir can help cold sores heal faster. These are available in oral form and as topical creams. It's important to start these treatments as soon as you notice symptoms for the best results [2].
- Over-the-counter options: Docosanol (Abreva) is a common OTC antiviral cream that can be applied to the affected area to potentially reduce healing time [2].
Topical treatments
- Anaesthetic creams: Products containing lidocaine or benzocaine can help relieve pain. Some creams with benzyl alcohol may also promote faster healing [1][3].
- Cold compresses: Applying a cold, damp washcloth or ice (wrapped in a cloth) can numb pain and reduce swelling [1][3].
How to get rid of cold sores fast at home
Several home remedies can help speed up the healing process and provide relief from cold sore symptoms.
Essential oils and natural products
- Tea tree oil, peppermint oil, lemon balm, and kanuka honey: These have been shown to help cold sores heal more quickly [3].
Supplements
- Lysine: Lysine supplements, available in cream or capsule form, may help reduce the frequency and severity of outbreaks [3].
Vitamins
- Vitamin C and E: Vitamin C may inactivate the herpes simplex virus, while vitamin E can help heal cold sores [3].
How long do cold sores last?
Most cold sores heal on their own within 10 days (about 1 and a half weeks). Immediate cold sore treatments and home remedies can help speed up this process [1][2].
Prevention tips for cold sores
Preventing cold sores from appearing in the first place is the best approach. Here are some tips to help you avoid outbreaks:
Identify and avoid triggers
- Sun protection: Use lip balm with SPF to prevent sun-triggered outbreaks [3][4].
- Avoid triggers: Stress, illness, and sun exposure can trigger outbreaks. Managing these factors can help prevent cold sores [3][4].
Lifestyle adjustments
- Healthy diet: Consume a nutrient-dense diet to support immune function.
- Adequate sleep: Ensure you get enough rest to help your body fend off outbreaks [7].
Medical interventions
- Antiviral medications: For those with frequent outbreaks, doctors may prescribe antiviral medications. These can be taken short-term or long-term to prevent outbreaks [6][8].
- Lysine supplements: Taking lysine orally using lysine cream may help reduce the frequency of outbreaks.
General precautions
- Hygiene practices: Avoid touching the cold sore to prevent spreading the virus. Wash hands frequently and avoid sharing personal items like towels or utensils [8].
When to seek medical advice
Most cold sores heal on their own within 10 days (about 1 and a half weeks), but there are situations where you should seek medical advice:
- If you have frequent or severe outbreaks
- If the cold sore doesn't heal within two weeks
- If you have a weakened immune system
- If the cold sore spreads to other parts of your body [4]
Cold sores can be a pain, but with the right treatments and preventive measures, you can reduce their impact and speed up the healing process. By understanding the causes, applying immediate treatments, using home remedies, and taking preventive steps, you can manage cold sores effectively and quickly.
How HealthHero can support you
At HealthHero, we understand the discomfort and inconvenience that cold sores can cause. Our online GP services can provide you with expert advice. Visit our online GP to learn more and get the help you need.
