Answer
They contain the same active ingredient, but concentrations, excipients and measuring requirements differ. Use only the formulation and measuring device supplied for the prescription.
Sources for this answer
- Amitriptyline 50 mg Film-coated Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Amitriptyline hydrochloride 50mg/5ml Oral Solution — Current selected SmPCemc · Summary of Product Characteristics