If they have had eczema herpeticum in the past, then I would consider it. However, routinely, I do not prescribe oral anti-virals in AD patients.

Not routinely unless there is comorbid condition affecting immunity such as lymphoma /leukemia, chemotherapy.

Only if they’ve had an outbreak of eczema herpeticum

Only if clinical signs are present. I am more likely to test and treat for intestinal worms, especially if the family owns a furry pet.

No. Only if clinical evidence of HSV