Pertussis history and symptoms: Difference between revisions
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==Symptoms== | ==Symptoms== | ||
The clinical course of the illness is divided into three stages: catarrhal, paroxysmal and convalescent. | |||
Shown below is a table summarizing the main findings in each stage.<ref name=CDC1>[http://www.cdc.gov/pertussis/clinical/features.html Pertussis (whooping cough). CDC.gov. Accessed on June 15, 2014]</ref> | |||
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| style="padding: 0 5px; font-size: 100%; background: #4682B4; color: #FFFFFF; width: 30%" align=center |'''Stage'''||style="padding: 0 5px; font-size: 100%; background: #4682B4; color: #FFFFFF" align=center |'''Duration'''||style="padding: 0 5px; font-size: 100%; background: #4682B4; color: #FFFFFF" align=center |'''Key features''' | |||
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|style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left | Catarrhal || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |Usually 7-10 days; range of 4-21 || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |- [[Low grade fever]]<br> - [[Coryza]] <br> - Mild occasional [[cough]] | |||
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| style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |Paroxysmal || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |Usually lasts 1-6 weeks, but may persist for up to 10 weeks || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |- Paroxysms of numerous, rapid coughs due to difficulty expelling thick mucus from the tracheobronchial tree.<br> | |||
- Long aspiratory effort accompanied by a high-pitched "whoop" at the end of the paroxysms<br> | |||
- [[Cyanosis]]<br> | |||
- [[Vomit]]ing and exhaustion<br> | |||
- Paroxysmal attacks occur frequently at night, with an average of 15 attacks per 24 hours<br> | |||
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| style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |Convalescent || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |Usually 7-10 days; range of 4-21 || style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |- Less persistent, paroxysmal [[cough]]s that disappear in 2-3 weeks | |||
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==References== | ==References== | ||
Revision as of 13:44, 17 June 2014
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]
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Overview
After a two day incubation period, pertussis in infants and young children is characterized initially by mild respiratory infection symptoms such as cough, sneezing, and runny nose (catarrhal stage). After one to two weeks, the cough changes character, with paroxysms of coughing followed by an inspiratory "whooping" sound (paroxysmal stage). Coughing fits may be followed by vomiting due to the sheer violence of the fit. In severe cases, the vomiting induced by coughing fits can lead to malnutrition. The fits that do occur on their own can also be triggered by yawning, stretching, laughing, or yelling. Coughing fits gradually diminish over one to two months during the convalescent stage.
Symptoms
The clinical course of the illness is divided into three stages: catarrhal, paroxysmal and convalescent.
Shown below is a table summarizing the main findings in each stage.[1]
| Stage | Duration | Key features |
| Catarrhal | Usually 7-10 days; range of 4-21 | - Low grade fever - Coryza - Mild occasional cough |
| Paroxysmal | Usually lasts 1-6 weeks, but may persist for up to 10 weeks | - Paroxysms of numerous, rapid coughs due to difficulty expelling thick mucus from the tracheobronchial tree. - Long aspiratory effort accompanied by a high-pitched "whoop" at the end of the paroxysms |
| Convalescent | Usually 7-10 days; range of 4-21 | - Less persistent, paroxysmal coughs that disappear in 2-3 weeks |