What Affects the Test
Reasons you may not be able to
have the test or why the results may not be helpful include:
- Taking potassium
supplements.
- Taking medicines, such as
that contain potassium (such as a type of
penicillin g),
,
heparin,
, glucose,
,
, medicines used to treat high blood pressure
and heart disease, and natural licorice (Glycyrrhiza glabra).
- The overuse of laxatives.
- Severe
vomiting.
- Failing to collect exactly 24 hours of urine.