Common cold

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Common cold

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Common cold

  1. 1. The Common Cold
  2. 2. Coryza Common Cold Syndrome includes rhinitis, tonsilitis, pharyngitis, laryngitis (including croup), pharyngo-laryngitis etc. Sometimes Influenza (the flu) sinusitis are characterized as a common cold syndrome. and
  3. 3. The Common Cold The common cold is a viral infection of the upper respiratory tract  Usually last approximately 7 days  Associated with a number of viruses  – Ex. Rhinoviruses, parainfluenza viruses  Season of the year, age, and prior exposure are important factors in the type of virus causing the infection and the type of symptoms that may occur
  4. 4. Mode of transmission Very contagious  Spread from person to person  Usually from nasal secretions and from fingers of the affected person  Most contagious in the first 3 days after symptoms begin  Viruses can last up to 5 hours on the skin and hard surfaces 
  5. 5. Symptoms Begins with a feeling of dryness and stuffiness in the nasopharynx (nose)  Nasal secretions (usually clear and watery)  Watery eyes  Red and swollen nasal mucous membranes  Headache  Generalized tiredness  Chills (in severe cases) 
  6. 6. Symptoms cont.. Fever (in severe cases)  Exhaustion (in severe cases) If the pharynx and larynx (throat) becomes involved:  • • Sore throat Hoarseness
  7. 7. Treatment of common cold Antihistamines  Decongestants  Pain Relievers  Cough suppressants  Nasal Strips  Antibiotics are ineffective!!! 
  8. 8. When do I see the doctor? See your doctor if you have:  Temperature over 101 degrees for more than 48 hours  A cough with pain in the chest  Shortness of breath  Persistent sore throat, without a runny or stuffy nose 
  9. 9. Consult doctor if… Your throat is very red and it hurts to swallow  No improvement within 7 days  Severe headache with a fever  Worsening pain in one or both ears  Any chronic medical condition  – Ex. Asthma or diabetes
  10. 10. Prevention GOOD HANDWASHING!  Cough and sneeze into arm or tissue, not into your hand  Aerosol sprays (ex. Lysol)  Antibacterial sanitizers (ex. Purell) 
  11. 11. Common Cold Syndrome is a general term of acute inflammatory disease of the upper respiratory tracts such as nasal cavity, tonsils, pharynx and larynx etc.
  12. 12. Comparison of Influenza and the Common Cold
  13. 13. Features Influenza Common cold Onset Abrupt More gradual Fever Common Uncommon Myalgia Severe common Uncommon Arthralgia Severe common Uncommon Anorexia Common Uncommon Headache Severe common Mild, uncommon
  14. 14. Cough (dry) Common severe Mild to moderate Malaise Severe Mild Fatigue, weakness More common than with the common cold lasts 2 to 3 weeks Very mild, short lasting Chest discomfort Common severe Mild to moderate Stuffy nose Occasional Common Sneezing Occasional Common Sore throat Occasional Common
  15. 15. The common cold may be caused by more than 100 different viruses.
  16. 16. Medications can help relieve cold symptoms, but only time can cure a cold.
  17. 17. Although many people are convinced that a cold results from: 1. exposure to cold weather 2. from getting chilled or overheated 3. fatigue, or sleep deprivation. these conditions have little or no effect on the development or severity of a cold.
  18. 18. On the other hand, research suggests that : psychological stress allergic disorders affecting the nasal passages or throat menstrual cycles may have an impact on a person's susceptibility to colds.
  19. 19. Common cold UP TO 6 COMMON COLDS/YEAR IN ADULTS AND 8 COMMON COLDS/YEAR IN CHILDRENS ACCEPTABLE.
  20. 20. Common Cold Viruses VIRUSES SEROTYPE % COLD RHINOVIRUS +100 60 CORONAVIRUS 2 15 INFLUENZA 3 < 10 PARA INFLUENZA 4 < 10 RSV 2 <10 ADENOVIRUS 47 < 10 ENTROVIRUS +40 < 10
  21. 21. The end

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