Fluid accumulates in the nasal cavity and the lungs leading to breathing difficulties.

More dangerously, fluid accumulates on the lungs, causing a person to cough up blood and sputum (mucus and phlegm).

Sometimes fluid accumulates inside the follicle, forming a simple (containing only fluid) cyst.

When excessive fluid accumulates in the interstitial space, edema develops.

As fluid accumulates between the basal epithelium cells, blister like formations form (bullae) and they undergo painful ruptures releasing their fluid content to the surface.