You have set your question out very well. As you know from your recent personal experience, having nasal herpes is very painful and distressing.Using the aciclovir cream alone will take ages to heal these sores. It would be best to take your daughter to see your doctor so that she can be given a course of Aciclovir tablets or syrup for 5 days to speed up the healing process.The dose is Aciclovir 400mg three times a day for 5 days.
Regarding the second part of your question,it would be in your daughter's best interests to take her to see a paediatric allergist. She needs to be tested to find out what is causing her nasal allergy and then started on effective and safe treatment. I would not advise the OTC rhinitis treatment route at this stage. This is the time to treat her correctly so that her rhinitis does not become a lifelong problem.
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