Rx Primor 240mg x 100 tabs

Rx Primor 240mg x 100 tabs (200mg sulfadimethoxine/40mg ormetoprim) Primor is for the treatment of skin and soft tissue infections (wounds and abscesses) in dogs caused by strains of Staphylococcus aureus and Escherichia coli and urinary tract infections caused by Escherichia coli, Staphylococcus spp., and Proteus mirabilis susceptible to sulfadimethoxine/ormetoprim. The only veterinary-approved potentiated sulfonamide with once-daily dosing. Federal law restricts this drug to use by or on the order of a licensed veterinarian.