What is the difference between Metformin HCL and Metformin ER?
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MediGuard 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.
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... More

