AgentUseDosingComment
Water-based
Acetic acid, 2.5%Home treatment of impacted cerumenFill affected ear with 2 to 3 mL twice daily for up to 14 daysMore effective in children than in adults
Docusate sodiumSoften cerumen before irrigationFill affected ear canal with 1 mL 15 to 30 minutes before irrigationIn one study, one-fifth of tympanic membranes were visualized without irrigation
Hydrogen peroxide, 3%Soften cerumen before irrigationFill affected ear canal 15 to 30 minutes before irrigationIf not completely removed, bubbling may interfere with ability to visualize tympanic membrane
Sodium bicarbonate, 10%Soften cerumen before irrigation or as an alternative to irrigationFill affected ear with 2 to 3 mL 15 to 30 minutes before irrigation, or alternatively for three to 14 days at home with or without irrigationMore effective in children than in adults
Triethanolamine polypeptide oleate condensate, 10%Soften cerumen before irrigationFill affected ear canal 15 to 30 minutes before irrigationCan be irritating to the ear canal and should not be used for a prolonged period
Water or salineSoften cerumen before irrigationIf irrigation is attempted without softening and is ineffective after the first attempt, instill water and wait 15 minutes before repeating irrigation
Non–water- or oil-based
Carbamide peroxide (Debrox)Soften cerumen before irrigation or as an alternative to irrigationPut five to 10 drops into the affected ear twice daily for up to seven days
Choline salicylate plus glycerol (e.g., Earex Advance); ethylene oxide polyoxypropylene glycol (Addax); propylene glycol; chlorbutol, 0.5%Soften cerumen before irrigation or as an alternative to irrigationPut three drops into the affected ear twice daily for four daysNot all brands and formulations are available in the United States
Oil-based
Almond, arachis, or rectified camphor oil (e.g., Otocerol, Earex)Soften cerumen before irrigation or as an alternative to irrigationPut four drops into the affected ear twice daily for up to four daysNot all brands and formulations are available in the United States
Almond or mineral oilSoften cerumen before irrigationPut three drops into the affected ear at bedtime for three or four days
Arachis oil, 57%; chlorbutol, 5%; paradichlorobenzene, 2%, and turpentine oil, 10% (e.g., Cerumol)Soften cerumen before irrigation or as an alternative to irrigationFill affected ear with 5 mL twice daily for two or three daysNot all brands and formulations are available in the United States