Common skin adverse reactions of erlotinib include acne like rash, dry skin, and paronychia. Scientific care can alleviate symptoms and maintain treatment.

1、 Acne like rash

1. Preventive measures

Moisturizing and repairing the skin barrier can be started before treatment.

Use mild cleansing products daily to avoid excessive cleansing.

Take good care of sun protection when going out to reduce UV stimulation.

2. Daily care

Use alcohol free and fragrance free moisturizer.

Avoid squeezing or scratching the rash to prevent infection.

Wear loose cotton clothing to reduce friction.

3. Symptom management

Mild to moderate rash can be treated externally with ointment prescribed by a doctor.

When itching is obvious, oral antihistamines can be taken.

If the rash is severe or accompanied by infection, timely medical attention should be sought, and medication may need to be suspended or reduced.

2、 Dry skin

1. Moisturizing care

Apply gentle moisturizer multiple times a day, especially after showering.

Choose products containing ingredients such as ceramide and Vaseline.

Avoid skin care products containing alcohol and essence.

2. Cleaning habits

Take a bath with warm water instead of hot water.

Shorten bathing time and reduce skin moisture loss.

Choose mild, soap free cleaning products.

3. Environment and Clothing

Indoor humidifiers can be used to keep the air moist.

Wear soft cotton clothing to avoid friction from rough fabrics.

Avoid prolonged exposure to dry and cold environments.

3、 Paronychia

1. Preventive measures

Keep hands and feet clean and dry.

When trimming nails, avoid shortening or damaging the skin around the nails.

Avoid biting nails, tearing and stabbing.

2. Daily care

Avoid soaking hands and feet in water for a long time.

Wear gloves when in contact with cleaning agents.

Wear loose shoes and socks to reduce pressure on the toenails.

3. Symptom management

Mild redness and swelling can be locally disinfected and treated with topical antibiotic ointment.

Avoid cutting or squeezing on your own.

If there is obvious pain, suppuration, or fever, seek medical attention promptly. Oral or intravenous antibiotics may be necessary, and erlotinib may be temporarily suspended in severe cases.