An infection of the sinuses would cause the mucus membranes to inflame which could cause the bleeding. This would also cause the soft tissues to swell and block the sinuses which could also lead to the pain.
As with all such things you are best consulting a doctor as whilst the symptoms are probably nothing to worry about long term he/she will be able to give you a proper diagnoses.
Infection.
mucus causes green saliva>
Ploysinusitis is the simultaneous inflammation of multiple sinuses. What causes this is that mucus gland gets blocked, but the gland keeps making mucus and cannot drain out. The mucus will then stretch the gland and creating a mucus filled cyst.
Common causes of mucus in a toddler's eyes include allergies, colds, infections, and irritants like dust or smoke.
There is no scientific evidence to support the claim that milk causes mucus to thicken.
Some mucus in the stool is normal. Conditions like irritable bowel syndrome and ulcerative colitis can cause more mucus in the stool.
Sexual arousal
Potential causes of mucus in a cat's diarrhea can include infections, parasites, dietary issues, or underlying health conditions such as inflammatory bowel disease.
No, cow milk does not contain mucus. It is a common misconception that milk causes mucus production in the body, but there is no scientific evidence to support this claim.
it causes unusually thick mucus in the pancreas
Mucus (snot).
Cystic Fibrosis