Benzalkonium chloride

Adult: As soln: Cleansing of skin, mucous membrane and wounds: 0.01-0.1%. Irrigation of deep wounds: 0.005%. Irrigation of bladder and urethra: 0.005-0.02%. Retention lavage of the bladder: 0.0025-0.005%. Disinfection and storage of surgical instruments: 0.13%; may be used w/ Na nitrite to avoid corrosion. As preservative: 0.01%-0.02% (ophth preparation); 0.002-0.2% (nasal and otic preparation). As shampoo: Seborrhoeic dermatitis: 0.2-0.5%. As cream: Napkin rash and other dermatoses: 0.13%. As vaginal douche: 0.02-0.05%. Refer to product information for specific directions for use.