What is the difference between Metformin HCL and Metformin ER?

A Answers (1)

  • A answered

    Metformin HCL and Metformin ER contain the same active ingredient, metformin. Metformin HCL is an immediate-release formulation of metformin.  It is taken multiple times each day.  Metformin ER is an extended-release formulation of metformin.  It can usually be taken once a day. 

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.
Did You See?  Close
Who should not take metformin HCl?