|Cause||A virus.||Reaction to pollen from trees, grass, weeds, and ragweed; mold; and dust mites.|
|How Long It lasts||About 7 Days.||Symptoms persist or recur every few days; may be worse during the spring and fall.|
|Symptoms||Mild fever; clear, thin, watery nasal mucus that thickens as child improves; slight cough or occasional clearing of throat; sore throat.||No fever, clear, thin nasal mucus; frequent sneezing; itchy, watery eyes and nose; wet cough that worsens with activity.|
|Treatment||Rest and plenty of fluids; acetaminophen or ibuprofen to relieve sore throat or headache. Go easy on cold remedies- some can cause side effects, and they won't cure a cold any faster.||Antihistamines to ease symptoms. Take your child to the doctor, who can help identify allergenic substances and offer guidelines on avoiding them.|
Source: James Kemp, M.D., clinical professor of pediatrics at the University of California at San Diego and president of the American Academy of Allergy, Asthma and Immunology.