Prescription DrugsAlso, unlike the American information, the CHMS approximate omits people aged 80 or older, a group recognized to be much heavier users of drug. Drugs taken without a prescription or a doctor's guidance can be equally as hazardous as taking unethical medicines or binge drinking. Read more about prescription drugs from canada here. Several of the antidepressants utilized for pain alleviation are the older tricyclics. These included countless unfavorable results identified as anticholinergic, including dry mouth, difficulty urinating, obscured vision, and likewise irregular defecation. Different other feasible negative results include lower high blood pressure, rapid heart beat, palpitations, weight gain, and fatigue.