Management of Gastroparesis
Medication Mechanism (receptor) Dose Available routes Limitations/adverse Promethazine Dopamine (D1, D2) Histamine (H1) 12.5–25 mg q4 hours Oral, liquid, rectal, IM, IV Somnolence, QT prolongation, tardive dyskinesia Prochlorperazine Dopamine (D1,…