Drugs eat too much generally according to the toxicity of the drugs eaten and eat the amount of drugs to determine the treatment approach, including drinking more water to promote metabolism, vomiting, gastric lavage, antagonistic drugs and so on. If the patient is eating over-the-counter drugs and the amount of drugs is not large, you can read the drug instructions in the absence of gastric lavage contraindications, you can first press the root of the tongue to stimulate the pharynx to induce vomiting, the fastest way to the residual undigested and absorbed drugs spit out; and at the same time, more water to promote metabolism to speed up the drug from the body discharge; at the same time, close observation of the patient with no other adverse reactions. If the patient takes a large dose of oral medication, then the patient needs to immediately consult the hospital, under the guidance of the doctor to carry out treatment; the toxicity of the drug needs to be immediately gastric lavage, and at the same time given antagonistic drugs to reduce the toxicity of overdose of drugs; if the drug absorbed in the body very quickly, the side effects of the drug is very big, serious impact on kidney function, liver function, etc., if necessary, need to be carried out hemodiafiltration. Patients who have taken an overdose of drugs are advised to consult a hospital immediately for treatment under the guidance of a doctor.