Oh wow, you guys in the U.S. are lucky!
Amazon launched a new pharmacy subscription for $5/month that includes prescription meds like Lamotrigine (generic version of Lamictal), Quetiapine (generic version of Seroquel), Risperidone (generic version of Risperdal), Bupropion, Venlafaxine, Sertaline, and Escitalopram.
The $5/month is for unlimited prescriptions, too! Here's the full list of meds that they cover:
Amazon Pharmacy: RxPass (https://pharmacy.amazon.com/rxpass#all-rxpass-meds)
Here's a news article about it that links back to the Amazon pharmacy page above:
Amazon launches a $5 monthly subscription for prescription drugs - The Verge
I hope they expand this to Canada and other countries!