Less Serious Symptoms

• According to the Mayo Clinic, a runny nose, sore throat and cough may appear within a few days of exposure to a cold virus. Watery eyes, aches and a low-grade fever of less than 102 degrees F may occur.
  
  

Serious Symptoms

• A doctor should be seen if a fever that is higher than 102 F is observed, according to the Mayo Clinic. Colored phlegm, swollen glands and severe sinus pain may develop in serious cases of the common cold.
  
  

Complications

• As reported by the Mayo Clinic, pneumonia, bronchitis and other secondary infections can occur when a cold is left untreated.
  
  

Over-the-Counter Medications

• Fever, sore throats and headaches can often be relieved with acetaminophen or other mild pain relievers, as reported by the Mayo Clinic. Many people use nasal decongestant sprays and cough syrups.
  
  

Fluids

• According to the Mayo Clinic, water, juice and soup can help replace fluids that are lost by fevers and mucous production.
  
  

Alternative Medicine

• Echinacea and vitamin C may reduce the duration of a cold, according to the Mayo Clinic.