More than doubling the incidence of colds is otitis media, as it was recorded in 5-30% of children who had a cold, and treatment of colds by treating symptoms does not reduce the possibility of this multiplication, but some studies have shown that when using anti-viral drugs in the treatment of cold The rate of otitis media decreases from 19% to 9%
Frequent complications of colds include sinus infections, with 0.5 to 2% of adults and 3-15% of children suffering from acute bacterial infection in the sinuses after colds. There is no medical evidence that treating the symptoms of colds reduces the risk of acute sinusitis, The exacerbation of asthma and the occurrence of acute asthma attack are rare but serious complications and occur particularly in asthma patients
Also, the treatment of cold does not reduce the possibility of this multiplication, as well as of the complications, but it is the effects of this disease, patients taking antibiotics and the subsequent development of bacteria resistant to antibiotics, as 30% of visits to doctors in The condition of the cold in which the doctor prescribe antibiotics.