Topiramate sales will expand through 2036, with powder at 72.4% of form demand and ≥99.5% at 61.8% of purity grade sales in 2026. The market was valued at USD 30.8 million in 2025, is projected to reach USD 39.6 million by 2036 and is forecast to record a 2.3% CAGR between 2026 and 2036.