Adults can also drink Merrill to reduce fever. Merrill is usually referred to as ibuprofen suspension or ibuprofen-pseudoephedrine suspension, which is a commonly used antipyretic and analgesic drug. Ibuprofen acts as an antipyretic, analgesic, and anti-inflammatory, and pseudoephedrine constricts the blood vessels of the nasal mucosa and relieves nasal congestion (e.g., nasal congestion, sinus congestion, etc.). The drug can temporarily relieve cold, sinus and flu symptoms, mild fever and so on. However, it is important to note that this drug is contraindicated in people who are allergic to ibuprofen or pseudoephedrine, and in people with peptic ulcers. Common adverse reactions to this drug include stomach upset, nausea and vomiting, loss of appetite, palpitations, dizziness, etc. Shock may occur in allergic individuals. If there is a fever with a significant increase in body temperature, combined with other discomforts, it is not recommended to take medication on their own, it is recommended to actively seek medical attention to clarify the cause of the disease and standardize the treatment, so as to avoid aggravation of the condition, resulting in adverse consequences.