What is the highest amount of thyroxine you can take?

Levothyroxine doses are dependent upon the person’s body weight and their blood test results. Most patients require between 100 and 150mcg a day, but the dose can be lower than 50mcg or up to 300mcg a day, depending on your needs.

How do you know if your thyroid medication is too high?

Signs and Symptoms of Overmedication

1. Elevated pulse and blood pressure.
2. Anxiety, nervous energy, tremors.
3. Feeling irritable, overemotional, erratic, or depressed.
4. Difficulty concentrating.
5. Difficulty sleeping.
6. Fatigue.
7. Feeling overheated, even when others are cold.
8. Diarrhea.

How much thyroxine can I take a day?

1. About levothyroxine. Levothyroxine is a medicine used to treat an underactive thyroid gland (hypothyroidism). The thyroid gland makes thyroid hormone which helps to control energy levels and growth.

What is a normal amount of levothyroxine?

The dose is usually 1.6 microgram (mcg) per kilogram (kg) of body weight per day but may be less in older adults. Children older than 12 years of age (growth and puberty incomplete)—Dose is based on body weight and must be determined by your doctor. The dose is usually 2 to 3 mcg per kg of body weight per day.

What happens when thyroxine is too high?

Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body’s metabolism, causing unintentional weight loss and a rapid or irregular heartbeat. Several treatments are available for hyperthyroidism.

How do you know when your thyroid medicine needs adjusting?

In general, the most indicators that your doctor needs to adjust your levothyroxine dose is that you start having signs and symptoms of an overactive thyroid. These include: Racing or irregular heartbeat or palpitations. Increased blood pressure.

What happens if you take too much thyroxine?

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.

Is 25 mcg of levothyroxine enough?

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

Is 200 mcg of levothyroxine a lot?

Adjust the dose by 12.5 to 25 mcg increments every 4 to 6 weeks until the patient is clinically euthyroid and the serum TSH returns to normal. Doses greater than 200 mcg per day are seldom required.

Can too much thyroid medication cause shortness of breath?

Tell your doctor immediately if any of these unlikely but serious effects of high thyroid hormone levels occur: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking (tremor), headache, shortness of breath.