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Can ibuprofen sustained-release capsules reduce fever?

Nov 07, 2025 Source: Cainiu Health
Dr. Ren Yi
Introduction
In general, ibuprofen sustained-release capsules can reduce fever under specific circumstances. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. The dosage should be determined according to the instructions or as directed by a physician; do not exceed the recommended dose or take the medication too frequently. Adults usually take one dose every 12 hours, not exceeding two doses within 24 hours. During treatment, drink plenty of warm water to help dissipate heat and maintain hydration.

Under normal circumstances, ibuprofen sustained-release capsules can be used to reduce fever in specific situations. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. The detailed explanation is as follows:

Fever in the human body is mostly caused by infections or inflammation, which stimulate increased synthesis of prostaglandins. These act on the body's temperature-regulating center, raising the set point for body temperature and leading to increased heat production and reduced heat dissipation. Ibuprofen sustained-release capsules belong to the class of nonsteroidal anti-inflammatory drugs (NSAIDs). They work by inhibiting cyclooxygenase activity and reducing prostaglandin production, thereby restoring the body's temperature set point to normal, promoting heat loss and reducing heat generation, ultimately lowering body temperature. This medication uses a sustained-release formulation, allowing the active ingredient to be slowly released in the body, providing prolonged antipyretic effects. It is suitable for use when body temperature exceeds 38.5°C and is accompanied by discomfort.

Dosage should be determined according to the instructions or medical advice; exceeding the recommended dose or taking the medication too frequently should be avoided. Adults typically take one dose every 12 hours, not exceeding two doses within 24 hours. During treatment, drink plenty of warm water to assist with heat dissipation and hydration. If body temperature does not decrease after taking the medication, persists for more than three days, or if symptoms such as dizziness or vomiting occur, prompt medical attention is necessary to identify the underlying cause of fever. Relying solely on medication to reduce fever may delay diagnosis and treatment of underlying conditions.

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