How Long Does It Take For A Cold Sore To Go Away (And Why)?

How Long Does It Take For A Cold Sore To Go Away (And Why)?

Exact Answer: 2 weeks

The cold sores would go in 7 to 14 days. Oral herpes or cold sores would be small in size. The cold sores are quite painful blisters that may swell with time. Many people call cold sores fever blisters as they cause fever as a symptom.

The healing period of cold sores is not fixed, but people may get recovered in 2 weeks. The cold sores are contagious and this makes them more dangerous. There is no such specific treatment for cold sores, but the person can try healing them with certain remedies.

If the person would start using all the prescribed medication for the cold sores immediately after the symptoms are visible then the cold sores may go in a few weeks.

How Long Does It Take For A Cold Sore To Go Away

How Long Does It Take For A Cold Sore To Go Away?

Cold SoreHow Long Does It Take For A Cold Sore To Go Away
Minimum time7 days
Maximum time14 days

The healing time for a cold sore would depend on how the person does the treatments. In some people, the cold sore would go in 5 to 7 days. The doctor may use a laser for treating cold sores in children. The treatment is done when the children face pain due to cold sores.

The cold sores can always come back to the same site. The cold sores will not come in the laser-treated area. Home remedies and self-care would work pretty well for a speedy recovery from cold sores. The cold sores will last long in some people if they neglect taking care of them.

If anybody keeps the affected area dirty by any chance, then the person would face difficulties in recovery. HSV is a very common cause to get unpleasant symptoms such as cold sores.

Sometimes, the children can get affected with HSV and the virus may stay for the whole life inside them. These children may see the cold sores coming back several times as the virus may get activated anytime.

In some people, the herpes simplex virus would cause severe painful cold sores. The intensity of the pain is another factor to predict the recovery time. The cold sore would get treated in 2 weeks if the symptoms are not high.

If anyone is having an extremely painful blister, then the healing period would be more than 2 weeks.

Why Does It Take This Long For A Cold Sore To Go Away?

There are some stages for the healing of cold sores. The time taken by each stage would be different for everyone. The stages are:
Stage 1: The first stage would cause swelling in the affected area where cold sores are formed. The person would experience pain, itching, and tingling symptoms. Burning sensations can also happen to some people during the first stage.
Stage 2: During the second stage, the blister would be filled with fluids. The small blisters would mainly form on one side of the lip. During stage 2, the person may also have mild fever mainly in children.

Stage 3: The blister would burst out during stage 3 of cold sores. After the blisters are burst, the person would experience pain. The impacted area would be very painful for some days.

This is the most dangerous stage of the cold sores healing time when the cold cores can spread to other people.

Stage 4: In this stage, the scabs would start forming. The scabbing stage would cause irritation and itching in the affected area. The person may experience bleeding and the scab may start cracking. The scab would fall, and the person would recover completely.

The healing time for cold sores depends on how long it takes for the scab to form. In some people, the scab may fall off after a long time. Everyone can check with the doctor for any medication or treatment required.


The cold sores can spread by oral sex as they may happen in the genital area. Cold sores are not always dangerous, but some people may suffer in a severe manner. People with extremely weak immune systems will face issues due to cold sores.

People that have AIDS can have repercussions because of cold sores. The doctor would give some antiviral medications to the person affected with cold sores. As antiviral medications work very well for a faster healing period.


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