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Common cold

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Common cold

Common cold


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  • 1. The Common Cold
  • 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. 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. 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. 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. Symptoms cont.. Fever (in severe cases)  Exhaustion (in severe cases) If the pharynx and larynx (throat) becomes involved:  • • Sore throat Hoarseness
  • 7. Treatment of common cold Antihistamines  Decongestants  Pain Relievers  Cough suppressants  Nasal Strips  Antibiotics are ineffective!!! 
  • 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. 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. Prevention GOOD HANDWASHING!  Cough and sneeze into arm or tissue, not into your hand  Aerosol sprays (ex. Lysol)  Antibacterial sanitizers (ex. Purell) 
  • 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. Comparison of Influenza and the Common Cold
  • 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. 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. The common cold may be caused by more than 100 different viruses.
  • 16. Medications can help relieve cold symptoms, but only time can cure a cold.
  • 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. 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. Common cold UP TO 6 COMMON COLDS/YEAR IN ADULTS AND 8 COMMON COLDS/YEAR IN CHILDRENS ACCEPTABLE.
  • 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. The end