Do ibuprofen sustained-release capsules reduce fever?

Ibuprofen sustained-release capsules possess antipyretic (fever-reducing) effects and can also alleviate various types of bodily pain, making them a commonly used antipyretic and analgesic medication. Due to their sustained-release formulation, these capsules have a relatively slower onset of action and are therefore more suitable for mild-to-moderate fever. However, if high fever persists without improvement or if the patient’s mental status deteriorates, prompt medical evaluation is essential to identify the underlying cause of the fever.

Ibuprofen sustained-release capsules work by modulating endogenous pyrogenic substances in the body, thereby gradually lowering an elevated body temperature. They also help relieve headaches, joint pain, and muscle pain. The sustained-release design allows for gradual drug release, resulting in a longer duration of therapeutic effect; however, the antipyretic onset is slower compared with conventional ibuprofen formulations. In cases of high fever, sustained-release capsules are unlikely to reduce body temperature rapidly.

Fever is merely a signal from the body—not a disease in itself. When fever occurs, identifying the source of infection should be the priority; this medication only provides symptomatic relief. Individuals with compromised gastrointestinal function may experience gastric mucosal irritation upon taking this drug. It must not be taken in excessive doses or too frequently. If fever recurs repeatedly, further diagnostic tests are necessary to determine the underlying cause—reliance solely on antipyretic medication is inappropriate.

During fever, increase intake of warm water to minimize bodily strain. Ensure adequate rest, consume light and easily digestible foods, and closely monitor changes in body temperature to support the body’s gradual return to physiological stability.