Question: Can You Stop Taking Levothyroxine Suddenly?

What happens if I stop taking levothyroxine?

2 If you skip or completely discontinue your medicine, you can experience a number of short-term and long-term consequences, including: Debilitating weight loss.

Dramatically increased appetite and thirst.

Nervousness, anxiety, panic attacks..

Can you stop taking thyroid medication once you start?

Do not stop taking the medication even if you feel better. Do not take your thyroid medication at the same time as fiber supplements, calcium, iron, multivitamins, or aluminum hydroxide antacids or any medications that bind bile acids.

How long can you go without thyroid medication?

However, without thyroid replacement medication, a person with overt hypothyroidism cannot function optimally and will suffer from the physical and mental symptoms of hypothyroidism. The half-life of levothyroxine is 6-7 days, which means it takes about 4-5 weeks for your body to rid itself of levothyroxine.

How long does levothyroxine withdrawal last?

The answer is that it depends. It could be between 72 hours and 10 days, depending on the individual’s T3 clearance rate, prior length of time on therapy with T3, whether T4 hormone is present in blood at the time of withdrawal, and whether a person’s own thyroid can produce any hormone.

Are there withdrawal symptoms from levothyroxine?

Patients who suddenly stop taking levothyroxine may go into withdrawal and may experience symptoms like debilitating weight loss, panic attacks, fatigue, muscle weakness, and nausea.

What happens if you stop taking levothyroxine cold turkey?

Discontinuing any prescribed medication on your own is never a good idea- unless you are having significant side effects, and will be speaking to your physician shortly. In the case of Synthroid, discontinuing the medication results in a worsening of hypothyroid symptoms such as those that you listed.