When you think of allergies, you may think of pollen or eating fish, but any substance that enters your body has potential to trigger an allergic reaction. A common side effect of taking potassium supplements is an allergic reaction, according to Drugs.com. If you suspect you have an allergy to this supplement, stop using it and call your doctor right away. Most people do not need potassium supplements, and they should only be used if directed by your doctor.
Potassium Supplements
Potassium is a mineral and electrolyte that helps maintain proper function of cells and tissue development. The mineral is needed for the heart to work properly, and helps promote normal digestive function. Most people acquire the needed daily value of potassium through eating vegetables, legumes, fruits and dairy products. Elderly people may need a potassium supplement; the supplements may also be used to treat kidney stones. They are not intended for use by people with stomach ulcers or kidney failure, or who are dehydrated.
Immune System Malfunction
If you're allergic to potassium supplements, your immune system malfunctions. Instead of remaining idle, it overreacts to the presence of the substance. An allergic reaction to potassium supplements is the result of a hypersensitivity when it enters the body. The immune system unleashes immunoglobulin E antibodies to protect the body from the suspected invader. The overreaction of the immune system causes mast cells in the body to react and create histamine. This chemical reaction is the reason most allergy symptoms develop.
Common Signs and Symptoms
Signs and symptoms typically develop within a few minutes after taking the supplement, but may take up to an hour to develop. Allergy symptoms to potassium supplements include hives, shortness of breath and swelling in the face, lips, tongue and throat. Other common symptoms of an allergic reaction may include nasal congestion, runny nose, wheezing, diarrhea, vomiting, nausea, stomach pain, skin irritation and eczema.
Severe Allergy Symptoms
Contact emergency medical personnel if you develop a drop in blood pressure, pale skin, dizziness, lightheadedness, a rapid but faint heart rate, or mental confusion. In rare cases, the entire body may experience an allergic reaction, causing shock. This condition is called anaphylaxis, and requires an injection of epinephrine. Without proper medical care, anaphylaxis can lead to serious or even fatal medical complications.
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