Merlin is an antipyretic drug, after drinking perfectin is possible to drink a small amount of water, generally will not affect the effect of the drug. However, it is not recommended to drink a lot of water after drinking Merlin to avoid diluting the drug and speeding up the flow of the drug in the gastrointestinal tract to reduce the absorption. However, if the body temperature drops after drinking Perfect Forest, it is necessary to replenish water and electrolytes in large quantities to avoid dehydration and electrolyte disorders, so you can drink a small amount of water after taking Merlin and replenish water in large quantities in the process of reducing fever. In addition to taking Merlin need to be hydrated in the process of reducing fever, in taking Tylenol or using indomethacin suppositories to reduce fever, as well as intravenous use of intravenous antipyretic drugs, if in the process of reducing fever appears to sweat profusely, it is necessary to promptly replenish a lot of water to prevent dehydration.