Pill imprint 18 has been identified as Neomycin sulfate 500 MG.
Neomycin is used in the treatment of hepatic encephalopathy; diarrhea; bowel preparation; hepatic coma and belongs to the drug class aminoglycosides. There is positive evidence of human fetal risk during pregnancy.
Neomycin 500 MG is not subject to the Controlled Substances Act.
You could view the pill on: https://www.drugs.com/imprints/18-4254.html
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