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Sulfamethoxazole Prices, Demand and Supply Overview
Sulfamethoxazole prices in Germany, the highest-cost reporting region, rose 6.0% in H1 2026, climbing from USD 31.8/KG in Q1 to USD 33.7/KG by Q2 as firmer para-aminobenzenesulfonamide synthesis feedstock costs and recovering urinary tract infection and respiratory prophylaxis formulation procurement reversed the brief Q4 2025 market correction. Globally, the average rose from USD 22.66/KG in Q1 to USD 24.02/KG in Q2, a 6.0% gain. For H2 2026, a global average of USD 24.20-27.10/KG is expected, with continued firming on Middle East supply disruptions and growing UTI treatment and opportunistic infection prophylaxis sector demand globally.
Sulfamethoxazole is a broad-spectrum sulfonamide antibiotic produced by acylation and cyclisation of sulfanilamide with 3-amino-5-methylisoxazole precursors, yielding the 4-amino-N-(5-methylisoxazol-3-yl)benzenesulfonamide active pharmaceutical ingredient with bacteriostatic activity. The compound exerts its effect through competitive inhibition of dihydropteroate synthase, blocking para-aminobenzoic acid incorporation into the bacterial folate biosynthesis pathway and depriving susceptible organisms of tetrahydrofolate precursors required for nucleic acid and amino acid synthesis. Sulfamethoxazole is predominantly formulated in a fixed-dose five-to-one mass ratio combination with trimethoprim, achieving sequential dual-site inhibition of the folate pathway and producing bactericidal synergy against a broad spectrum of Gram-positive and Gram-negative pathogens. The largest pull comes from outpatient and hospital urinary tract infection treatment across all severity grades. Pneumocystis jirovecii pneumonia prophylaxis and treatment in HIV and immunocompromised patients, respiratory and gastrointestinal infection management, traveller’s diarrhoea, and toxoplasmosis prophylaxis add further demand. Nitrofurantoin-resistant UTI prophylaxis and second-line antibiotic treatment in stewardship programmes add a growing segment. Synthesis feedstock costs, UTI treatment and co-trimoxazole access programme procurement, and regional API production capacity all feed into the price.
Sulfamethoxazole Price Forecast for 2026
The balance of supply and demand for sulfamethoxazole through H2 2026 leans moderately firm. Sulfonamide synthesis feedstock costs firmed from Middle East and aromatic chemical supply disruptions. UTI treatment formulation procurement, PCP prophylaxis programme distribution, and co-trimoxazole access programme demand in low- and middle-income country health systems support the market.
The main upside risk is synthesis feedstock cost increases alongside a UTI incidence surge and accelerating co-trimoxazole access programme procurement. The main downside risk is continued Chinese API surplus and generic competition limiting global price recovery.
| Region | Price Forecast (USD/KG) | Key Driver |
| Global Average | 24.20 - 27.10 | Synthesis cost firming and UTI/PCP demand support |
| United States | 25.80 - 28.70 | Steady UTI and PCP prophylaxis demand holds firm |
| China | 17.40 - 20.30 | Large API capacity keeps it the most affordable |
| Germany | 34.10 - 37.00 | High synthesis and energy costs keep it the most expensive |
| India | 24.80 - 27.70 | Growing UTI and export demand holds a firm middle |
For the Quarter Ending June 2026
Sulfamethoxazole Prices Q2 2026:
- United States: USD 27.5/KG
- China: USD 19.3/KG
- Germany: USD 33.7/KG
- India: USD 26.2/KG
Sulfamethoxazole Prices in the United States
US Sulfamethoxazole prices averaged USD 27.5/KG in Q2 2026, up 6.2% from USD 25.9/KG in Q1 2026. Firmer synthesis feedstock costs and spring UTI treatment and PCP prophylaxis formulation procurement drove consistent buying through the quarter.
Why did the price of Sulfamethoxazole change in Q2 2026 in the United States?
Firmer sulfonamide synthesis feedstock costs raised the API production floor. UTI treatment, co-trimoxazole combination, and PCP prophylaxis procurement lifted buying. Toxoplasmosis prophylaxis and respiratory infection treatment demand provided additional support near USD 27.5/KG.
Sulfamethoxazole Prices in China
Chinese Sulfamethoxazole prices averaged USD 19.3/KG in Q2 2026, up 6.0% from USD 18.2/KG in Q1 2026, the lowest among the tracked markets. Spring UTI and co-trimoxazole export procurement lifted buying. Firmer domestic synthesis feedstock costs raised the production floor despite domestic API capacity.
Why did the price of Sulfamethoxazole change in Q2 2026 in China?
Spring UTI and co-trimoxazole combination export and domestic procurement lifted buying. Firmer domestic sulfonamide synthesis feedstock costs raised the production floor. Domestic API capacity kept China the most affordable.
Sulfamethoxazole Prices in Germany
German Sulfamethoxazole prices averaged USD 33.7/KG in Q2 2026, up 6.0% from USD 31.8/KG in Q1 2026, the highest among the tracked markets. Higher sulfonamide synthesis and energy costs elevated European API production economics. Consistent UTI, respiratory, and PCP prophylaxis procurement maintained steady buying.
Why did the price of Sulfamethoxazole change in Q2 2026 in Germany?
Higher sulfonamide synthesis feedstock and energy costs elevated European API production economics. Middle East supply disruptions added cost premiums to aromatic synthesis feedstock chains. Consistent UTI treatment and PCP prophylaxis procurement maintained buying near USD 33.7/KG.
Sulfamethoxazole Prices in India
Indian Sulfamethoxazole prices averaged USD 26.2/KG in Q2 2026, up 6.1% from USD 24.7/KG in Q1 2026. Growing UTI and co-trimoxazole export and domestic demand supported buying. Firmer synthesis feedstock import costs raised the production floor through the quarter.
Why did the price of Sulfamethoxazole change in Q2 2026 in India?
Growing UTI treatment and co-trimoxazole combination export and domestic procurement lifted buying. Firmer sulfonamide synthesis import costs raised the production floor. PCP prophylaxis and access programme export demand provided additional support near USD 26.2/KG.
For the Quarter Ending March 2026
Sulfamethoxazole Prices Q1 2026:
- United States: USD 25.9/KG
- China: USD 18.2/KG
- Germany: USD 31.8/KG
- India: USD 24.7/KG
Sulfamethoxazole Prices in the United States
US Sulfamethoxazole prices averaged USD 25.9/KG in Q1 2026, recovering about 2.0% from Q4 2025. Recovering UTI and co-trimoxazole procurement and firming synthesis feedstock costs held the market near USD 25.9/KG.
Why did the price of Sulfamethoxazole change in Q1 2026 in the United States?
Recovering UTI treatment and co-trimoxazole combination procurement maintained buying. Firming sulfonamide synthesis feedstock costs raised the production floor. The market recovered to USD 25.9/KG from the Q4 2025 correction.
Sulfamethoxazole Prices in China
Chinese prices averaged USD 18.2/KG in Q1 2026, recovering about 2.2% from Q4 2025. Post-Lunar New Year UTI and co-trimoxazole export restocking and firming costs held the market near USD 18.2/KG.
Why did the price of Sulfamethoxazole change in Q1 2026 in China?
Post-Lunar New Year UTI and co-trimoxazole export restocking lifted buying. Firming domestic synthesis feedstock costs raised the production floor. The market recovered to USD 18.2/KG from the Q4 2025 level.
Sulfamethoxazole Prices in Germany
German prices averaged USD 31.8/KG in Q1 2026, recovering about 1.9% from Q4 2025. Recovering UTI and PCP prophylaxis demand and firming synthesis and energy costs held the market near USD 31.8/KG.
Why did the price of Sulfamethoxazole change in Q1 2026 in Germany?
Recovering UTI treatment and PCP prophylaxis procurement maintained buying. Firming synthesis feedstock and energy costs held the production floor. The market recovered to USD 31.8/KG from the Q4 2025 correction.
Sulfamethoxazole Prices in India
Indian prices averaged USD 24.7/KG in Q1 2026, recovering about 2.1% from Q4 2025. Growing UTI and co-trimoxazole export and domestic demand and firming import costs held the market near USD 24.7/KG.
Why did the price of Sulfamethoxazole change in Q1 2026 in India?
Growing UTI and co-trimoxazole export and domestic procurement maintained buying. Firming synthesis import costs raised the production floor. The market recovered to USD 24.7/KG from the Q4 2025 correction.
Quarterly Sulfamethoxazole Price Trends
Global Sulfamethoxazole prices rose in Q3 2025 on the UTI treatment season, dipped in Q4 2025 on synthesis feedstock moderation, then recovered through Q1 and Q2 2026. The average rose from USD 22.0/KG in Q2 2025 to USD 22.44/KG in Q3, eased to USD 22.22/KG in Q4, then firmed to USD 22.66/KG in Q1 2026 and USD 24.02/KG in Q2 2026, a net gain of about 9.2% over the window. Sulfonamide synthesis feedstock cost cycles and UTI treatment and PCP prophylaxis procurement drove the overall pattern.
| Quarter | Price (USD/KG) | QoQ Change | Direction |
| Q2 2026 | 24.02 | +6.0% | ↑ Rising |
| Q1 2026 | 22.66 | +2.0% | ↑ Rising |
| Q4 2025 | 22.22 | -1.0% | ↓ Falling |
| Q3 2025 | 22.44 | +2.0% | ↑ Rising |
| Q2 2025 | 22.0 | - | - Stable |
| Q3 2026 | In Progress | - | - In Progress |
What was Sulfamethoxazole Price in 2025?
Sulfamethoxazole prices firmed modestly through 2025 on consistent UTI treatment and co-trimoxazole access programme demand. The global average opened near USD 22.0/KG in Q1 2025 and closed at USD 22.22/KG in Q4, a marginal full-year gain of about 1.0%. Sulfonamide synthesis feedstock cost dynamics and consistent UTI and PCP prophylaxis demand drove the quarterly pattern throughout the year.
Sulfamethoxazole Prices in the United States in 2025
US prices firmed from about USD 25.0/KG in Q1 2025 to USD 25.4/KG by Q4, a gain of 1.6%. Consistent UTI and co-trimoxazole procurement supported the modest upward trend through the year.
Sulfamethoxazole Prices in China in 2025
Chinese prices firmed from roughly USD 17.5/KG in Q1 2025 to USD 17.8/KG by Q4, a gain of 1.7%. Growing export UTI and co-trimoxazole procurement drove the firming despite domestic API capacity.
Sulfamethoxazole Prices in Germany in 2025
German prices firmed from about USD 30.8/KG in Q1 2025 to USD 31.2/KG by Q4, a gain of 1.3%. Consistent UTI treatment, PCP prophylaxis, and co-trimoxazole demand supported the market throughout the year.
Sulfamethoxazole Prices in India in 2025
Indian prices firmed from roughly USD 23.8/KG in Q1 2025 to USD 24.2/KG by Q4, a gain of 1.7%. Growing UTI and co-trimoxazole export and domestic procurement drove consistent firming through the year.
How We Can Help
Expert Market Research: Your Source for Real-Time Sulfamethoxazole Price Intelligence
Expert Market Research tracks Sulfamethoxazole prices continuously across every major producing and consuming region. The team traces causation through sulfonamide synthesis feedstock economics, UTI treatment and PCP prophylaxis procurement cycles, and regional API production capacity. Contact Expert Market Research today for Sulfamethoxazole pricing data, bespoke market analysis, and strategic procurement advisory.
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Key Questions Answered in the Report
Urinary tract infection treatment in co-trimoxazole fixed-dose combination with trimethoprim takes the largest share across all severity grades. Pneumocystis jirovecii pneumonia prophylaxis and treatment in HIV and immunocompromised patients, respiratory and gastrointestinal tract infection management, traveller’s diarrhoea treatment, and toxoplasmosis prophylaxis also consume significant volumes globally.
The Q2 2026 average was USD 27.5/KG in the United States, USD 19.3/KG in China, USD 33.7/KG in Germany, and USD 26.2/KG in India. Germany remains the highest-priced market.
The global average rose from USD 22.66/KG in Q1 to about USD 24.02/KG in Q2, a gain of around 6.0%. Recovering UTI and co-trimoxazole procurement and firmer sulfonamide synthesis costs drove the H1 firming from the Q4 2025 correction.
Sulfonamide synthesis feedstock cost moderation eased the API production floor. Seasonal UTI and respiratory prophylaxis procurement moderation reduced buying urgency before the H1 2026 recovery.
The global average is expected in the USD 24.20 to 27.10/KG range for H2 2026, with continued firming as synthesis feedstock costs stay elevated and UTI treatment, PCP prophylaxis, and co-trimoxazole access programme demand grows globally.
Germany sits highest on synthesis and energy costs, the United States and India hold a firm middle on UTI and PCP prophylaxis demand, and China prices lowest on domestic API production capacity.
This report is updated monthly. For real-time pricing intelligence, contact the Expert Market Research team directly.
Prices respond mainly to sulfonamide synthesis feedstock costs, UTI incidence and treatment prescription cycles, and co-trimoxazole access programme procurement. Aromatic chemical feedstock prices and WHO essential medicines access programme funding are key signals.
China and India hold the largest sulfamethoxazole API production capacity. Any synthesis feedstock cost shift ripples across markets within one to two quarters.
Buyers can use quarterly trends and forecasts to time UTI formulation and co-trimoxazole access programme contracts around synthesis cost cycles, build cover when aromatic feedstock signals tighten, and monitor WHO programme procurement signals as demand inputs.
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