A comparison of wax matrix and microencapsulated potassium chloride in relation to upper gastrointestinal illness requiring hospitalization.
The frequency of hospitalization for documented upper gastrointestinal illness among recipients of either wax matrix or microencapsulated potassium chloride was similar in a study in which clinics were randomly assigned to dispense one or the other preparation. The results indicate that there is no material difference between the two preparations in relation to serious upper gastrointestinal illness.
Jick
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H
Boston Collaborative Drug Surveillance Program, Boston University Medical Center, Waltham, Massachusetts 02154.
Jick
S S
SS
Walker
A M
AM
Stergachis
A
A
D000328:Adult; D000368:Aged; D004304:Dosage Forms; D004339:Drug Compounding; D005260:Female; D005767:Gastrointestinal Diseases / Q000139:chemically induced*; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D011189:Potassium Chloride / Q000008:administration & dosage* / Q000009:adverse effects; D011897:Random Allocation; D014885:Waxes / Q000008:administration & dosage / Q000009:adverse effects
D004304:Dosage Forms; D014885:Waxes; D011189:Potassium Chloride