Treatment of choice for prophylaxis in patients with repeated episodes of bipolar illness: March 2004
**Core Concept**
The treatment of bipolar disorder involves the use of medications that can stabilize mood and prevent episodes of mania or depression. **Lithium** is a well-known mood stabilizer used in the management of bipolar illness. The goal of prophylaxis in bipolar disorder is to prevent the recurrence of episodes.
**Why the Correct Answer is Right**
**Lithium** has been shown to be effective in reducing the frequency and severity of episodes of mania and depression in patients with bipolar disorder. It works by influencing various neurotransmitter systems in the brain, including **serotonin** and **dopamine**, which are involved in mood regulation.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option provided, it's challenging to give a detailed explanation. However, any option other than **Lithium** or another proven mood stabilizer would be incorrect for prophylaxis in bipolar illness.
**Option B:** Similarly, without specifics, we can say that if this option is not a recognized mood stabilizer, it would not be the treatment of choice.
**Option D:** Again, lacking specifics, if this is not **Lithium** or another established prophylactic treatment for bipolar disorder, it is incorrect.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **Lithium** has a narrow therapeutic index, requiring regular monitoring of blood levels to avoid toxicity.
**Correct Answer:** D. Lithium