title: Profound hypotension complicating magnesium therapy.
mesh_terms: D004347:Drug Interactions; D005260:Female; D006801:Humans; D007022:Hypotension / Q000139:chemically induced*; D008278:Magnesium Sulfate / Q000009:adverse effects*; D011247:Pregnancy; D011398:Promethazine / Q000009:adverse effects
chemical_list: D008278:Magnesium Sulfate; D011398:Promethazine