**Core Concept**
Hot flashes in menopausal women are primarily caused by a sudden drop in estrogen levels, leading to vasomotor instability and increased sympathetic nervous system activity. Treatment options aim to alleviate symptoms through hormonal replacement, non-hormonal alternatives, or lifestyle modifications.

**Why the Correct Answer is Right**
Selective estrogen receptor modulators (SERMs) like **raloxifene** can be used to treat hot flashes in menopausal women. Raloxifene acts by binding to estrogen receptors in the hypothalamus, thereby reducing the frequency and severity of hot flashes. This selective action also provides some protection against osteoporosis, a common menopausal complication.

**Why Each Wrong Option is Incorrect**
**Option A:** **Hormone replacement therapy (HRT)** is a treatment option, but it's not the best choice for all menopausal women due to potential risks like endometrial cancer, breast cancer, and cardiovascular disease.
**Option B:** **SSRIs** (selective serotonin reuptake inhibitors) like **fluoxetine** can help with hot flashes but are not the first-line treatment; they're often used when hormonal options are contraindicated or not tolerated.
**Option C:** **Gabapentin** is sometimes used off-label for hot flashes, but its efficacy is not well established, and it may have more side effects than other options.

**Clinical Pearl / High-Yield Fact**
When considering treatment for hot flashes, it's essential to weigh the benefits and risks of each option and discuss them with the patient to determine the best course of action.

**Correct Answer:** C. Gabapentin