how to choose between drugs that come in different salt forms

Questions often come up about how to choose between drugs that come in different salt forms...metoprolol, diclofenac, hydroxyzine, etc.

It often doesn't matter, such as hydroxyzine HCL (Atarax, etc) and PAMOATE (Vistaril, etc)...or omeprazole MAGNESIUM or BASE.

Just aim for the same amount of the active ingredient.

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