What Is Whooping Cough?
Reviewed: Dr. Mera
5. Early Stage
The early stage of whooping cough is known as the catarrhal phase, and it is where the disease is more contagious. At first, the patient is likely to develop symptoms that are indistinguishable from other upper respiratory infections.
The patient may initially develop nasal congestion, a runny nose, sneezing, a low-grade fever, and redness of the thin membrane that covers the front of the eye (conjunctival suffusion).
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