The first stage (reflex) develops quickly, some hours last. The mucosa sharply turns pale at the expense of narrowing of vessels, dryness, a burning sensation in a nasal cavity, repeated sneezing becomes perceptible.The first stage (reflex) develops quickly, some hours last. The mucosa sharply turns pale at the expense of narrowing of vessels, dryness, a burning sensation in a nasal cavity, repeated sneezing becomes perceptible.
The second stage (catarral) lasts 2-3 days. There is a vasodilatation, reddening mucous and an edema of nasal conchas. The complicated nasal breath becomes perceptible, at a virus becoming infected plentiful transparent watery allocation from a nose, depression of sense of smell, a dacryagogue, stuffiness in ears and a nasal shade of a voice. The nose mucosa has bright red colour. The beginning of the third stage is bound to joining of a bacteriemic inflammation. The general condition improves, nasal breath and sense of smell are gradually restored, but allocation from a nose get yellow or green colour and more dense consistence. Colour of a mucosa of a nose gradually comes nearer to normal, and the lumen of nasal courses gradually extends.
All cycle of illness comes to the end for 7-10 days. Separate stages disease by a cold can be more or less expressed, or completely to be absent in the event that does not come a virus or bacteriemic becoming infected. In some cases at good immunity and quickly begun treatment recover within 2-3 days is possible; at the weakened condition of protective forces of an organism and insufficient treatment the rhinitis can be tightened till 3-4 weeks, pass in the chronic form or lead to development of complications.
