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Running nose with sneezing
is usually a symptoms of common cold
but it is recurrent in a healthy person than it may be allergic.
You have to yourself find out the type of allergy
Go for certain antiallergic drugs under doctor's guidance.
If it persist long time and recurrent after medication than go for allergy test to find out specific allergen.
consult ENT. specilist to rule out any nasal condition.