Medications That Alter Gastric Emptying*
| Medication | Generic name | Brand name | Manufacturer |
| Prokinetic agents | Metoclopramide | Reglan | Baxter |
| Maxeran | Sanofi | ||
| Domperidone | Motilium | Janssen | |
| Erythromycin | |||
| Opiates | Codeine | ||
| Fentanyl | Duragesic | Sandoz | |
| Hydrocodone | Lortab | Tris Pharma | |
| Lorcet | Mikart | ||
| Norco | Actavis | ||
| Vicodin | Abbott | ||
| Vicoprofen | Halo | ||
| Hydromorphone | Dilaudid | Purdue Pharma | |
| Meperidine | Demerol | Validus | |
| Methadone | Dolophine | West-Ward | |
| Methadose | Mallinckrodt | ||
| Morphine | MS Contin | Purdue Pharma | |
| Kadian | Actavis | ||
| Naloxone | Narcan | Adapt Pharma | |
| Oxycodone | OxyContin | Purdue Pharma | |
| Percocet | Endo | ||
| Percodan | Endo | ||
| Oxymorphone | Opana | Endo | |
| Anticholinergic or antispasmodic agents | Atropine | ||
| Belladonna tincture or leaf | |||
| Belladonna alkaloids/phenobarbital | Donnatal | AvKARE | |
| Chloridiazepoxide/clidinium, chlordiazepoxide/methscopolamine, clidinium bromide | Librax | Valeant | |
| Dicyclomine | Bentyl | Aptalis | |
| Triactin | Pharmed | ||
| Hyoscyamine | Levsin | Alaven | |
| Hyoscyamine/phenyltoloxamine | Digex | Pronova | |
| Glycopyrrolate | Robinul | Shionogi | |
| Mepenzolate | Cantil | Sanofi | |
| Methscopolamine | Pamine | PharmaDerm | |
| Scopolamine | Scopace | Hope | |
| Other medications | Benzodiazepine | Ativan | West-Ward |
| Valium | Roche | ||
| Xanax | Pfizer | ||
| Nifedipine | Adalat | Bayer HealthCare | |
| Afeditab | Alkermes | ||
| Nifediac | Teva | ||
| Nifedical | Teva | ||
| Procardia | Pfizer | ||
| Octreotide | SandoSTATIN | Novartis | |
| Phentolamine | OraVerse | Septodont | |
| Regitine | Novartis | ||
| Progesterone | Prometrium | Catalent | |
| Theophylline | Elixophyllin | Nostrum | |
| Quibron | Monarch | ||
| Slo-Bid | Aventis | ||
| Slo-Phyllin | Purdue Pharma | ||
| Theoclear | Central Pharm | ||
| Theodur | Schering-Plough | ||
| Theolair | 3M | ||
| Uniphyl | Purdue Pharma |
↵* Unless determining a treatment response is the purpose of the GES study, medications that alter gastric emptying should be withheld for 48–72 h.