How many days does a child's fever caused by mycoplasma last?

Sep 05, 2025 Source: Cainiu Health
Dr. Zhou Xiaofeng
Introduction
In general, the duration of fever caused by mycoplasma in children is influenced by factors such as the severity of the illness and whether treatment is administered promptly. Typically, the fever lasts 3–7 days, but in some children with more severe illness or delayed treatment, the fever may persist for 1–2 weeks. During the febrile period caused by mycoplasma infection, it is important to ensure the child gets adequate rest, stays well-hydrated, and receives appropriate fever-reducing measures based on body temperature.

Generally, the duration of fever caused by mycoplasma in children is influenced by factors such as the severity of the illness and whether treatment is administered promptly. Typically, the fever lasts for 3-7 days. For some children with more severe symptoms or delayed treatment, the fever may extend to 1-2 weeks. Detailed analysis is as follows:

If a child's mycoplasma infection is mild and appropriate medication is administered promptly, the fever generally subsides gradually within 3-7 days. During treatment, body temperature will progressively decrease, transitioning from high fever to low-grade fever, and eventually return to normal. Overall symptoms will also gradually improve as the temperature drops.

If the infection is severe or treatment is not timely and standardized, the fever may persist for 1-2 weeks. Some children may experience recurring fevers with significant temperature fluctuations. Only after adjusting the treatment plan will the fever symptoms gradually improve.

During a mycoplasma-related fever, children should ensure adequate rest, stay well hydrated, appropriately use fever-reducing measures according to their temperature, and cooperate with medical professionals in their treatment to promote a quicker recovery.

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