**Core Concept**
The management of recurrent depressive episodes involves the use of medications that can help stabilize mood and prevent future episodes. This requires the use of antidepressants and mood stabilizers.

**Why the Correct Answer is Right**
Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) that is commonly used to treat recurrent depressive episodes. It works by increasing the levels of serotonin in the brain, which helps to improve mood and reduce symptoms of depression. Fluoxetine has a proven track record in the treatment of recurrent depressive disorders, including major depressive disorder with recurrent episodes.

**Why Each Wrong Option is Incorrect**
**Option A:** Imipramine is a tricyclic antidepressant (TCA) that can be used to treat depression, but it is not the first choice for recurrent depressive episodes due to its side effect profile and potential for toxicity.
**Option B:** Carbamazepine is an anticonvulsant that can be used to treat bipolar disorder, but it is not typically used to treat recurrent depressive episodes.
**Option D:** Sodium valproate is an anticonvulsant that can be used to treat bipolar disorder, but it is not typically used to treat recurrent depressive episodes.

**Clinical Pearl / High-Yield Fact**
When choosing a medication for recurrent depressive episodes, it's essential to consider the patient's medical history, potential side effects, and the risk of relapse.

**Correct Answer:** C. Fluoxetine