No black box on phosphosoda.
Caswell
Michael
M
D002400:Cathartics / Q000009:adverse effects*; D064420:Drug-Related Side Effects and Adverse Reactions; D010710:Phosphates / Q000009:adverse effects*; D014481:United States; D014486:United States Food and Drug Administration
D002400:Cathartics; D010710:Phosphates; C018279:sodium phosphate