Thyroid hormone is used to treat underactive thyroid (hypothyroidism). It is a natural product made from animal thyroid glands (usually a pig's). It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland.
Foods high in potassium include bananas, spinach, carrots and oranges. Decreasing potassium intake can cause levels in the body to drop, but this is not a common reason for a decrease in potassium levels. Low potassium levels can occur when the body loses too much fluid due to illness. This fluid loss may occur because of excessive amounts of vomiting and diarrhea.
Adults need 4.7 grams of potassium per day from food sources, according to the University of Maryland Medical Center. Foods high in potassium include bananas, spinach, carrots and oranges. Decreasing potassium intake can cause levels in the body to drop, but this is not a common reason for a decrease in potassium levels. Fluid Loss from Acute Illness Low potassium levels can occur when the body loses too much fluid due to illness. This fluid loss may occur because of excessive amounts of vomiting and diarrhea. It is important to replace fluids and electrolytes, such as sodium and potassium when experiencing diarrhea and vomiting.