a drug that helps people who have problems because their moods change in an uncontrolled and extreme way

If someone has bipolar illness, a mood stabilizer like lithium is prescribed first. 如果有人有双极性精神病，可以先开像锂这样的情绪稳定剂。

He was dosed with various mood stabilizers and antipsychotics. 他服用了几种情绪稳定剂和抗精神病药。