Sneezing but other wise healthy

my two ferrets nose sound congested and they've have small sneezing attacks, they eat normally and are very active. I ordered some ferret rx teapot pry treatment. But till it comes how can I help them? Its been going on for a month, I was hopi g it'd go away since it's not severe.

a vet visit might let you know if it could be a flu or allergies.  you can give childrens' liquid benadryl, about .15 mL/kg, but if it's gone on a month, a vet visit is highly recommended

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