Lithium carbonate extended-release tablets two tablets per day are usually OK. Lithium carbonate extended-release tablets is a kind of antimanic drugs, mainly used for the treatment of mania, bipolar affective psychosis with alternating episodes of mania and depression has a very good treatment and prevention of relapse, can also be used for the treatment of schizoaffective psychosis. In different stages of the disease, the dosage of the drug is also different, usually during the treatment of the drug dosage is relatively more, may need to take three to five tablets, while in the maintenance of actually taking less, may take two to three tablets. But the specifications of the drug is different, the dose is also different, specific must have a doctor’s guidance, not to take at will. And when taking the drug, pay attention to, allergic to drug components, serious heart disease, renal insufficiency is prohibited. If there are serious adverse reactions such as excessive drinking, thirst, diarrhea, constipation and so on after taking the medicine, you need to stop the medicine and consult a doctor in time.