Help is puppy sick????:(?

my puppy is 7-8 weeks old. hes a Chihuahua mixed wit a poodle. (his mother died, so plz no rude comments)....hes been sneezing for two days:( idk if its for allegies, or maby is alergic to something idk....i just want to avoid visiting the vet for a while (personal reasons)...so plz help..is this normal?