What happens if you take too many levothyroxine tablets?
What happens if I overdose on Levothyroxine (Synthroid)? Overdose symptoms may include headache, leg cramps, tremors, feeling nervous or irritable, chest pain, shortness of breath, and fast or pounding heartbeats.
What happens if you accidentally take too much Synthroid?
Taking an extra dose of levothyroxine by accident is unlikely to harm you. Speak to your doctor if: you accidentally take more than 1 extra dose. you get side effects such as a racing heart beat or chest pain – these may not happen straight away, it can be several days before they come on.
Can levothyroxine cause overdose?
Cases of adults ingesting overdose levothyroxine are extremely rare. Most children who ingested overdose levothyroxine always suffer from few or mild clinical complications and no sequela is found.
What are the side effects of taking too much thyroid medication?
Symptoms of Overtreatment
- Heart palpitations or a faster heart rate, even at rest.
- Trouble falling asleep.
- Feeling jittery.
- Sweating a lot.
- Anxiety.
- Shaky hands.
- Diarrhea.
- Weight loss.
Is 100 mg of Synthroid a lot?
The typical starting dosage for this use in adults is 1.6 micrograms per kilogram of body weight (mcg/kg), once per day. One kilogram is equal to about 2.2 pounds (lb). For example, an adult weighing 68 kg (about 150 lb) may take 100 mcg to 112 mcg of Synthroid per day as their starting dosage.
How do I know if my Synthroid is too high?
Signs and Symptoms of Overmedication
- Elevated pulse and blood pressure.
- Anxiety, nervous energy, tremors.
- Feeling irritable, overemotional, erratic, or depressed.
- Difficulty concentrating.
- Difficulty sleeping.
- Fatigue.
- Feeling overheated, even when others are cold.
- Diarrhea.
What happens if I take levothyroxine and don’t need it?
It’s important to receive the correct amount of this medication because too little levothyroxine won’t adequately control hypothyroidism and too much can cause side effects, such as increased appetite, insomnia, shakiness, and heart palpitations or an irregular heartbeat.
How do I know if my thyroid medication is too high?
What are the side effects of too much thyroid medication in dogs?
If given at too high of a dose, your dog may experience thyrotoxicosis. Signs of this may include increased heart rate, appetite, drinking, urination, excitability, panting, and nervousness.
What happens if you take too much levothyroxine?
Taking even a little too much levothyroxine can cause an overdose on the medication. A levothyroxine overdose can cause dangerous symptoms, such as confusion, seizures, or strokes. The effects from a levothyroxine overdose will vary depending on how much of the medication was taken and whether it was taken with other substances.
How often does levothyroxine overdose occur in children?
Therapeutic recommendations are made based only in the review of the available literature concerning a relatively large number of patients, most of them children. Acute levothyroxine overdose is much more common in children compared to adolescents and adults.
When to call 911 for a levothyroxine overdose?
A levothyroxine overdose is signified by trouble breathing, collapse, and seizures. If you witness an overdose, call 911 immediately.
Are there side effects to taking too much Synthroid?
Menstrual irregularities: Female users that take too much synthroid are likely to experience menstrual irregularities. Some women report that after starting synthroid, their periods are whacky and completely unpredictable – this is a normal side effect.
