Accidentally took levothyroxine twice? It is a common mistake that can cause anxiety, but understanding what to do next is crucial for managing any potential side effects. Whether you are prescribed a 50 mcg thyroid medicine dosage or a higher amount, taking an extra dose requires careful monitoring.
Page Contents
- Quick Answer
- What happens if you accidentally take thyroid medication twice?
- Potential Side Effects of a Double Dose
- Frequently Asked Questions
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Quick Answer
If you accidentally took levothyroxine twice, do not panic. A single extra dose of thyroid medication rarely causes severe immediate harm because levothyroxine has a long half-life. Monitor yourself for symptoms of hyperthyroidism such as a rapid heart rate, jitteriness, or sweating. Contact your healthcare provider or poison control for personalized advice, and return to your normal dosing schedule the following day unless directed otherwise.
What happens if you accidentally take thyroid medication twice?
When taking extra levothyroxine by mistake, the body receives a sudden surge of synthetic hormone. Because levothyroxine takes days to fully metabolize, the immediate effects are often mild. However, depending on your usual dose—such as a 50 mcg thyroid medicine tablet—and your overall health, you might experience temporary side effects.
Potential Side Effects of a Double Dose
The consequences of a double dose typically mimic symptoms of hyperthyroidism. These may include:
- Palpitations or a rapid heartbeat
- Increased sweating or heat intolerance
- Nervousness, anxiety, or jitteriness
- Difficulty sleeping
- Mild gastrointestinal distress
Frequently Asked Questions
Should I go to the hospital if I took my thyroid medication twice?
In most cases, a single extra dose does not require emergency hospital care. However, if you experience severe chest pain, extreme shortness of breath, or a dangerously high heart rate, seek immediate medical attention.
What should I do if I took my 50 mcg thyroid medicine twice?
For a standard 50 mcg dose, taking it twice usually results in mild or no symptoms. Monitor for any signs of rapid heart rate or anxiety, and consult your doctor to be safe.
Can a double dose of levothyroxine cause a heart attack?
While an accidental double dose can cause heart palpitations, it is very unlikely to cause a heart attack in an otherwise healthy individual. Those with pre-existing heart conditions should contact their doctor immediately.
Should I skip my dose tomorrow if I took two today?
Do not skip your next dose or alter your schedule without consulting your healthcare provider. Generally, you should resume your normal schedule the next day.
How long will the side effects of an extra dose last?
Levothyroxine has a long half-life, meaning it stays in your system for several days. Mild symptoms might persist for a few days before gradually subsiding.
