Vet techs/rodent experts-hamster question?

my hamster6 months old,has been sneezing since yesterday,on and off.but she has no runny nasal discharge,her eyes are clear ,not runny or crusty.she has no sign of wet tail.she is eating,drinking and running on her wheel.what couldthis sneezing be?should i get her to a vet?can i help her in any way tonight?thanx in advance to all!