Stevia, also called sweetleaf, is a natural sweetener derived from a South American plant called Stevia rebaudiana. While traditional sweeteners contain calories and raise your blood sugar, stevia does not. Despite the benefits of this natural sweetener, you may experience side effects after using stevia. If you have any questions or concerns about the known side effects of stevia, consult your primary medical provider.
Allergic Reaction
Infrequently, stevia may cause a severe allergic reaction called anaphylaxis. An allergic reaction to this sweetener occurs more frequently in people who are allergic to marigolds, chrysanthemums, daises or ragweed. Symptoms of anaphylaxis include hives, shortness of breath, wheezing, difficulty swallowing, dizziness, weakness and pale skin. Seek emergency medical care if you develop any of these symptoms after ingesting sweetleaf. Without prompt treatment, an allergic reaction to stevia may induce fatal health complications.
Upset Stomach
This herbal sweetener contains a substance called stevioside, which may irritate your stomach. Consequently, you may experience bloating or nausea after consuming stevia. Such side effects, while typically mild, may also cause a temporary decrease in your appetite. Consult your doctor if stomach problems become severe or do not subside.
Additional Side Effects
Additional side effects associated with stevia occur infrequently and include dizziness, body aches and numbness. Sensations of dizziness may interfere with your ability to stand up or walk about normally without assistance. If these side effects become bothersome or persist, contact your medical provider for further evaluation and care.
Medication Interactions
Always discuss all supplements and medications you are taking with your doctor before using stevia. Concomitant use of stevia and lithium should be avoided, as stevia may increase the amount of lithium retained by your body. If you are receiving medication for diabetes, consult your doctor before using stevia. Concomitant use of stevia and diabetes drugs may cause a sudden drop in your blood sugar -- a side effect called hypoglycemia. Additionally, stevia may lower your blood pressure and should not be used in conjunction with drugs to reduce blood pressure.
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