Medical tourism is often reduced to images of patients flying abroad in search of better hospitals or specialised doctors. That framing misses the bigger economic picture. At its core, medical tourism is a trade in services, a generator of foreign exchange, and a powerful test of institutional trust. It activates entire value chains—aviation, hospitality, insurance, logistics, retail, and professional services—well beyond the hospital gate. Countries that understand this treat healthcare not only as a social obligation but as an export industry. Nigeria, despite its scale, talent pool, and regional influence, remains largely absent from this space. The result is a quiet but persistent drain on foreign exchange and domestic capacity. Every year, healthcare-related spending that could have supported local jobs and infrastructure instead strengthens other economies. Seen this way, medical tourism is not a niche issue. It is a macroeconomic story about competitiveness, confidence, and the ability of a nation to convert human needs into economic opportunity.