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If you have been switched from brand name to generic and you feel the effect of the generic is/was not as good, please ensure this gets reported to your government’s adverse effect register.
In Canada you can Google: medeffect canada vigilance adverse reaction
(currently accessible via shortcut: http://medeffect.ca )
A form also resides on CADDAC website http://www.caddac.ca/cms/CADDAC_pdf/HCAdverseReactionForm.pdf
Unintended effect, health product abuse, overdose, interaction (including drug-drug and drug-food interactions) and unusual
lack of therapeutic efficacy are all considered to be reportable adverse reactions.