Does antihistamine treatment treat chickenpox?

Chickenpox is a contagious infection that typically causes an itchy rash which changes from spots to fluid-filled blisters and then scabs. An antihistamine can reduce itch for some people, which may lower scratching and help with rest. It does not shorten the infection or make someone non-contagious. A clinician may recommend other supportive measures or, for some people at higher risk, an antiviral approach.

Not every blistering rash is chickenpox. A healthcare professional can consider vaccination history, exposure, fever, the appearance of the rash, and other illnesses before advising care.

Use an oral antihistamine only in the age-appropriate form and amount recommended by a clinician or pharmacist. Some products can cause sleepiness, so check before driving or combining them with other sedating medicines. Keep the skin clean, avoid scratching, and use cool measures for comfort. Stay away from people who could become seriously ill until a clinician confirms when normal activities are appropriate. Do not give aspirin to a child with chickenpox.

Contact a clinician promptly for breathing difficulty, unusual sleepiness, confusion, repeated vomiting, severe headache, dehydration, or a rash near the eyes. Seek advice if blisters become very painful, hot, increasingly red, or produce pus, because this can signal a secondary infection. Early medical guidance is especially important for pregnancy, a newborn, an adult with chickenpox, or anyone with a weakened immune system.

Ask whether the rash is chickenpox, which itch medicine is suitable for the person's age and other medicines, how long contagion precautions are needed, and whether antiviral treatment should be considered. Ask which changes mean the skin needs examination.