I'm 31 weeks pregnant, I tried everything that could help me breath but just only afrin (oxymetazoline) spray can. Is it safe to keep using it everyday till my due?

Afrin (oxymetazoline) & Pregnancy. Afrin is not considered safe during pregnancy, but you should consult with your OB about nasal drops that might be allowed during the third trimester.
Afrin (oxymetazoline) in pregnancy. At this stage in pregnancy, if it is not affecting the baby's heart beat, your doctor may advice you if you can continue to use it.