For patienter, der ikke kan tage oral medicin, kan dimercaprol indgivet i en dosis på 3 mg/ kg intramuskulært hver 4. time, indtil den umiddelbare livstruende toksicitet er forsvundet, overvejes.
For patients who cannot take oral medication, dimercaprol administered at a dose of 3 mg/ kg intramuscularly every 4 hours until any immediately life-threatening toxicity has subsided may be considered.