Whooping cough causes intense coughing fits that can lead to vomiting, exhaustion, and breathing difficulties. It's most dangerous for infants and young children, and early treatment matters.
Whooping cough can make it difficult to get consistent sleep. Coughing fits often intensify at night, disrupting rest and making it hard to stay asleep for any meaningful stretch. Over time, this pattern of broken sleep contributes to the fatigue and exhaustion that characterize the later stages of the illness. If sleep disruption is severe or persistent, it's worth raising with a doctor.

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