What happens if a child takes levothyroxine?

Levothyroxine overdose in children typically follows a benign course. Children may be asymptomatic or have clinical features like fever, tachycardia, hypertension, tremor, insomnia, irritability and convulsions[1–3]. Our patient had typical clinical features like tachycardia, sweating and hypertension.

How much levothyroxine is fatal?

Toxic dose An acute ingestion of more than 5 mg of levothyroxine (T4) or 0.75 mg of triiodothyronine (T3) is considered potentially toxic. An adult has survived an ingestion of 48 g of unspecified thyroid tablets; a 15-month-old child had moderate symptoms after ingesting 1.5 g of desiccated thyroid.

What happens if you accidentally take 2 levothyroxine?

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.

What are the side effects of too little thyroid medication?

Effects of Skipping Antithyroid Medication

• Debilitating weight loss.
• Dramatically increased appetite and thirst.
• Nervousness, anxiety, panic attacks.
• Heat intolerance, sweating.
• Fatigue or muscle weakness.
• Diarrhea, nausea, and vomiting.
• Irregular menstrual cycle.
• Goiter/enlarged thyroid.

What happens if you overdose on thyroid meds?

The common clinical signs following thyroxine overdose can either be limited to tachycardia, agitation, nervousness, insomnia, anxiety, tremor [2], or severe features, though less likely, like thyroid storm involving cardiac, neurological, respiratory and thermoregulatory center [3].

How long does it take for levothyroxine to get out of your system?

Levothyroxine will stay in your system for around 4 to 6 weeks. It takes longer for people with hypothyroidism to eliminate levothyroxine (closer to 6 weeks) than those with normal thyroid function. Levothyroxine contains a synthetic version of T4, one of two hormones produced by the thyroid.

What are the symptoms of an overdose of levothyroxine?

Symptoms of overdose

• Change in consciousness.
• cold, clammy skin.
• disorientation.
• fast or weak pulse.
• lightheadedness.
• sudden headache.
• sudden loss of coordination.
• sudden slurring of speech.

Can too much levothyroxine cause death?

Factitious hyperthyroidism due to L-thyroxine abuse can be associated with sudden death in the absence of coronary artery disease and may be related to a drug induced myocarditis.

Is 25 mcg levothyroxine a lot?

The recommended starting dosage is 12.5–25 mcg/day. Your dosage may be adjusted every 6–8 weeks.

What are the symptoms of too much levothyroxine?

What are the symptoms of Overmedicated thyroid?

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.