Patients taking Merlin to reduce fever, if overdose, common side effects, as follows: 1, hypothermia: a common adverse reaction, Merlin is an antipyretic and analgesic drugs, will lead to a lot of sweating, body temperature, excessive loss of body temperature, and even in a low condition, and maintain a long time; 2, physical weakness: after taking Merlin a lot of sweating, will cause physical fatigue, weakness, and even weakness, thirst 3, liver and kidney function damage: If the patient’s body is more sensitive, Merlin overdose, will cause the corresponding liver and kidney function effects. Generally, it will affect the excretion and metabolic function of the liver, and there will be abnormal liver function indexes, such as a mild increase in plasma indicators of glutamate aminotransferase, glutamic oxalacetic aminotransferase and gamma-glutamyl transpeptidase. If patients do not use Merlin repeatedly for a long time, irreversible liver damage will not occur, but transient and transitory liver damage may occur.