Is it bad to have a fever blister?

Yes, having a fever blister can be unpleasant and even painful. Fever blisters are caused by the herpes simplex virus, which can cause a variety of symptoms, including:

- Blisters on or around the lips

- Pain

- Itching

- Tingling

- Fever

- Fatigue

- Headache

In some cases, fever blisters can also lead to more serious complications, such as:

- Infection

- Scarring

- Difficulty eating or drinking

- Vision problems

If you are experiencing a fever blister, it is important to see a doctor to get a diagnosis and treatment plan.