| Hint | Drug | category |
| Most potent histamine receptor (H2) blocker | |
| Neurokinin receptor antagonist | |
| Stimulant laxative, hydrolyzed in upper intestine to ricinoleic acid | |
| PGE1 analogue, increases chloride rich fluid which promotes bowel movement | |
| PGE1 analogue, inhibitor of histamine, side effect: abortifacant | |
| Inhibits DHFR, treats Crohn's disease | |
| Histamine (H1) antagonist | |
| Bulk forming, synthetic fibers | |
| Dopamine receptor antagonist | |
| Decreases intragastric acidity by reacting with HCl, side effects: belching, alkalosis, constipation | |
| Stimulant laxative, anthraquinone derivative, chronic use leads to melanosis coli (brown colon) | |
| Stool surfactant agent (softener) | |
| Absorbant of bacteria, toxins, and fluid, naturally occuring Mg Al silicate | |
| Inhibits 5-HT3 receptor, used for diarrhea-predominant IBS | |
| Irreversibly inactivates H+/K+ ATPase of the parietal cells, side effects: decreased vit B12, increased serum gastrin | |
| Muscarinic receptor antagonist | |
| Forms a viscous paste that selectively binds to ulcers or erosions | |
| Decreases intragastric acidity by reacting with HCl, side effects: belching, alkalosis, diarrhea | |
| Blocks dopamine (D2) receptor, does not cross BBB | |
| Competitively inhibits the parietal histamine (H2) receptor, side effects: gynecomastia, impotence, galactorrhea | |
| Blocks dopamine (D2) receptor, can cross BBB, side effects: high prolactin, extrapyramidal effects | |
| Analog of THC from marijuana | |
| Anticholinergic | |
| | Hint | Drug | category |
| Purine analog, low TPMT enzyme increases risk of bone marrow suppression | |
| Glucocorticoids | |
| Osmotic laxative, used for complete colon cleansing | |
| 5-HT3 receptor antagonist, used for chemotherapy induced nausea | |
| Aminosalicylate, sulfapyridine is a breakdown product by bacteria that contributes to the drug's side effects | |
| Bulk forming, natural plant product | |
| Absorbant of bacteria, toxins, and fluid, from apples | |
| Analog of somatostatin | |
| Cholinomimetic, cholinesterase inhibitor | |
| Simulates motilin receptors, macolide | |
| Anti-tnf monoclonal antibody, side effects: infection, hepatic failure | |
| Serotonin 5-HT receptor agonist | |
| Antipsychotic, inhibits dopamine and muscarinic receptors with antihistamine activity | |
| Coats ulcers and erosions, side effect: black stool | |
| Opioid receptor agonist, does not cross BBB | |
| Bile salt binding resin | |
| Dissolves gallstones | |
| Antipsychotic, central dopaminergic blockate | |
| Osmotic laxative, increases stool liquiditiy | |
| Cholinomimetic, directly stimulates M3 receptors | |
| Binds to and activates GABA receptor | |
| Opioid receptor agonist, crosses BBB | |
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