Active substance
Methadone
3 products from 3 companies contain this in Bulgaria.
3 prescription onlyoral solutionoral solution
Prescription only
Metadon Alkaloid10 mg/mlPrescription only Alkaloid Eood · Methadone · N07BCMethadone Sopharma10 mg/mlPrescription only Sopharma AD · Methadone · N07BC02Methasan10 mg/ml concentrate forPrescription only G.L. Pharma GmbH · Methadone · N07BC02
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.