Heal Cold Sores

Cold sores, or fever blisters, are small blisters that occur on and near your lips. When the blisters burst open they form a crust. They are caused by a herpes simplex virus which is extremely contagious. The virus can infect your mouth or your genitals. There is no cure, but there are thing you can do to help them heal faster.

Steps

Identifying a Cold Sore

1. Recognize an emerging cold sore. The cold sore will go through three phases as it erupts. Though the symptoms may vary, most people experience:
   • Tingling, itching, or burning before the sore is visible.
   • Blisters. The blisters are most common along the edge of your lips, but may also be present on your nose or cheeks. Small children may also get them in their mouths.
   • The blisters break open and ooze liquid, then form a crust. The blisters usually heal within two weeks but it may take as long as a month.
2. Take extra care of yourself if it is the first outbreak. The first outbreak is generally the worst. You may also have other symptoms including:
   • Fever
   • Headache
   • Enlarged lymph glands
   • Sore throat
   • Gum pain
   • Muscle pain
3. Go to a doctor if it doesn’t heal. Cold sores will usually heal without medical attention, but if this doesn’t occur or you experience complications, you should get checked by a doctor. Go to a doctor if:
   • Your immune system is suppressed. This may be the case for people with HIV/AIDS, who are undergoing cancer treatments, have severe burns, eczema, or are taking anti-rejection drugs after an organ transplant.
   • Your eyes are irritated or infected.
   • The cold sores recur frequently, do not heal in two weeks, or are very severe.

Using Home Remedies

1. Apply a cool compress. Gently press a cool, moist wash cloth onto the area. This may help reduce redness, making it less noticeable. It will also soften crusts and help it heal.
   • You can also put an ice cube in the wash cloth to help numb it a little bit.
   • Do not rub because you don’t want to irritate it or spread fluids to other areas.
2. Try alternative medicines. The results of scientific studies using these remedies have not been clear, but some people may find them helpful. You can try:
   • Lysine. This is an amino acid which can be purchased as an oral supplement or a cream. This can be taken as a preventative measure — try 500–3,000 mg/day. Begin treatment as soon as you suspect an outbreak.
   • Propolis. This is also referred to as synthetic beeswax. It comes in the form of an ointment and is said to reduce the length of the breakout.
   • Rhubarb and sage.
3. Reduce your stress. Some people find that their cold sores are triggered by stress, possibly because stress lowers the immune system. If you find this to be the case for you, you may want to consider using stress management techniques such as:
   • Relaxation techniques including meditation, deep breathing, visualizing calming images, yoga, or tai chi.
   • Exercise. Doing 15 to 30 minutes a day of exercise will make you feel better physically and emotionally. Your body releases endorphins when you exercise which help to relax you and lift your mood.
   • Get social support. This could mean staying connected with friends or family or seeing a counselor.

Applying Medication

1. Use an over-the-counter cream. Docosanol (Abreva) is available in local pharmacies and may help to decrease the amount of time that the outbreak lasts.
   • Read and follow the instructions on the packaging. Consult a doctor before using this medication if you are pregnant, nursing, or treating a child.
2. Try antiviral creams. These should be applied as soon as you feel the tingling, even before the blister has appeared. Apply it up to five times a day for five days, unless the packaging directs you to do otherwise. These medications are available in pharmacies without a prescription.
   • Aciclovir
   • Penciclovir
3. Try a cold sore patch. These patches will hide the sore and they have a gel in them which will help the wound heal. This is beneficial both because of the medication inside, but also because covering the sore helps to prevent you from accidentally touching it and spreading the virus.
   • The gel inside is called hydrocolloid. If it is your first time using this product, be sure to read the instructions in the packaging.
4. Treat pain with topical creams. Cold sores can be very uncomfortable and you may be able to get relief from topical creams that you can apply. Look for over-the-counter creams with the following ingredients:
   • Lidocaine
   • Benzocaine
5. Reduce discomfort with oral painkillers. If topical painkillers weren’t sufficient, you may want to try oral painkiller medications such as ibuprofen or paracetamol.
   • Ibuprofen is not recommended for people with asthma or stomach ulcers.
   • Children and teenagers should never take medicines containing aspirin.
   • Consult your doctor before taking any medications if you are pregnant or nursing.
6. Take prescription antiviral medications. Some come in the form of a pill while others are applied topically. If it is very severe, you may be given an injection. If home care did not work, your doctor may prescribe:
   • Acyclovir (Xerese, Zovirax). This is usually prescribed at a dose of 400 mg three times per day or 200 mg fives times per day for 10 days.
   • Famciclovir (Famvir). You will take 500 mg three times daily for seven to 10 days
   • Penciclovir (Denavir). This comes in a 1% cream and is applied to affected lips and face.
   • Valacyclovir (Valtrex). For the initial episode, use 1 g twice daily for 10 days. For recurrence, use 500 mg twice daily for three days. For a decrease in viral transmission, use 500 mg once daily.

Preventing Cold Sores

1. Avoid contact with cold sore blisters. The virus is contagious. It is present in the fluid of the blisters, but can also be spread when the blisters aren’t present. You can prevent spreading it by:
   • Not touching or picking the sores. Covering them may help.
   • Not sharing eating utensils, razors, or towels with others, particularly when the blisters are present.
   • Not kissing or engaging in oral sex when the blisters are present. This is when the virus is most easily spread.
2. Wash your hands. Wash your hands thoroughly with soap after treating your cold sores. This is particularly important if you are touching people with lowered immune systems such as:
   • Babies
   • People undergoing cancer treatments
   • People with HIV/AIDS
   • People on anti-rejection drugs after an organ transplant
   • Pregnant women
3. Protect the area from sun and wind even when sores are not present. Some people find that exposure to sunlight seems to bring on an outbreak if that is the case for you, you may want to try the following, even when no sores are present:
   • Put sunscreen on the area where outbreaks occur. The SPF should be at least 15.
   • Use lipstick with sunscreen
   • Use chapstick with sunscreen to prevent dry, sunburned, or chapped lips

Warnings

• Consult your doctor before using any medication, even over-the-counter medications and supplements if you are pregnant, nursing, or treating a child.
• Over-the-counter medications and supplements may interact with other prescription medications. If you are unsure whether a medication or supplement is safe for you, talk to your doctor.
• Read and follow the manufacturer's instructions on the packaging of all medications unless instructed otherwise by your doctor.

Related Articles

• Wash Your Face
• Describe Medical Symptoms to Your Doctor
• Beat the Cold or Flu

Sources and Citations

See also

• Cure a Cold Sore Fast
• Prevent a Cold Sore from Spreading
• Cure Cold Sores With Care
• Get Rid of a Cold Sore Fast
• Heal a Cold Sore Naturally
• Treat a Cold Sore or Fever Blisters
• Get Rid of a Cold Sore
• Get Rid of a Cold Sore with Home Remedies
• Prevent Cold Sores
• Stop a Cold Sore from Growing

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