Meloxicam is a Nonsteroidal Anti-inflammatory Drug. The mechanism of action of meloxicam is as a Cyclooxygenase Inhibitor.

Tolfenamic acid  is a COX inhibitor and prevents formation of prostaglandins.

Cimetidine is a histamine congener, it competitively inhibits histamine binding to  histamine H2 receptors.

Cisapride, a substituted benzamide is a 5-HT4 serotonin receptor agonist, used for its prokinetic properties.

Duloxetine Hydrochloride is a fluoxetine derivative belonging to the class of selective serotonin and norepinephrine reuptake inhibitors and exhibiting antidepressant activity.

Loperamide Hydrochloride is the hydrochloride salt form of loperamide, a synthetic, piperidine derivative and opioid agonist with antidiarrheal activity.

Atomoxetine Hydrochloride is a phenoxy-3-propylamine derivative and selective non-stimulant, norepinephrine reuptake inhibitor with cognitive-enhancing activity.

Ipratropium is a synthetic anticholinergic agent that is used as an inhalant for treatment of acute bronchospasm due to chronic bronchitis and emphysema.