In some cases, the illness can lead to serious disability or even death. This complicated question, which should be answered by your child's physician, depends on the specific diagnosis. For example, there are several types of ear infections - most need antibiotics, but some do not. Most cases of sore throat are caused by viruses. One kind, strep throat, diagnosed by a laboratory test, requires antibiotics.
Viral infections can sometimes lead to bacterial infections.
However, treating viral infections with antibiotics in order to prevent bacterial infections is not recommended. Remember that antibiotics do not work against colds and flu, and that unnecessary antibiotics can be harmful. Consult your child's pediatrician about antibiotics and find out about the differences between viruses and bacteria, and when antibiotics should and should not be used. If your child does receive an antibiotic, be sure to give it exactly as prescribed to decrease the development of resistant bacteria. Antibiotic resistance is particularly dangerous for children, but it can occur in adults, as well.