Will blowing out on your nose bring on acute sinusitis?

Negative pressure. If you plug your nose while sneezing the negative pressure can push organisms into the sinuses and lead to infection. Normal nose blowing will not.

Related Questions

I'm pregnant &have acute sinusitis 3 d ago cant sleep from toothaches and ear pain my nose dry not rainy but I feel all the symptoms of the sinusitis?

May not affect nose. Sinusitis may not affect all of your sinuses; it is possible that the posterior ones are affected without the anterior ones being involved. Read more...
See below. From your description I suspect your ear pain is due to Eustachian tube dysfunction from a viral cold as well as Maxillary sinus congestion causing the tooth ache. Using Afrin 12 hour nasal decongestant and Flonase may help. But you need to check with your OBGYN to see if he or she ok's it in pregnancy. For info on ETD see: http://bit.ly/ZZ8ufv. Read more...
See your dentist. for evaluation and treatment. Pregnancy is not a reason to delay routine dental care or treatment. Good luck. Read more...
Acute sinusitis? Check with your dentist to see if your pain is from teeth or gum infections. If it is not a dental problem, see your medical doctor, OB, or an ENT specialist. It is important to get any infection under control, especially being pregnant. Read more...