One of the fears that many women have is what happens to their baby if they take Levothyroxine, also known as Synthroid. This drug can help with hypothyroidism but it does not cure the condition and some worry about how much this medication interferes with breastfeeding. There are a lot of studies on just how safe taking this over-the-counter pain killer really is for your baby so here’s an in depth look at all you need to know!.

Levothyroxine is a medicine used to treat hypothyroidism. Some women have asked whether their breast milk will contain enough levothyroxine from the mother’s body for the baby. The answer, according to experts, is no

Levothyroxine is a medication that helps to regulate the thyroid gland. It is used in people who have hypothyroidism. When you take Levothyroxine, it passes through breast milk and can affect your baby.

Does Levothyroxine Pass On To Baby Through Breast Milk? –

Even in breast milk, levothyroxine serum levels are exceedingly low. In fact, maternal plasma includes plasma that is rich in protein solubility. The estimated exposure level is potentially 0 if the newborn is exposed at zero in its surroundings. Six grams of particles per kilogram of body weight each day are hardly detectable.

Is Levothyroxine Safe To Take While Nursing?

Taking levothyroxine to treat an underactive thyroid in the absence of a thyroid (hypothyroidism) is safe since it is released in very low quantities in breastmilk.

Thyroid medication has an effect on breast milk.

Thyroxine may help patients with hypothyroidism get their thyroid hormone levels back to normal. Milk supply issues seem to be less severe than others, based on replies from people who have been properly treated for hypothyroidism. Those who have low thyroid hormone levels have had problems with milk production.


Is Levothyroxine Harmful to Children?

When administered early in pregnancy, a greater levothyroxine dosage is linked to improved pregnancy outcomes in hypothyroid women. Because of the dangers that low thyroid hormone levels might entail, pregnant mothers should not anticipate their baby to be able to keep his or her head in.

Is it safe to take thyroid medication while nursing?

It comes from a Verywell contributor. Thyroid condition, including medicine for it, will not harm your baby, but it will affect whether or not the baby will be able to breastfeed you. It is important to nurse your small kid before giving them their medicines to protect their safety.

Does Thyroid Affect Breastfeeding Babies?

As a consequence of thyroid problems, it may be difficult to give milk or remove milk. After a pregnancy or delivery, mammograms should be performed on the mother on a regular basis to identify changes in her thyroid hormone levels. Depending on the medicine, post-partum blood pressure and weight may also need to be monitored with your baby’s medication.


Is it safe to take thyroid medication while breastfeeding?

Thyroid sufferers may need medication or a nursing medicine to maintain normal hormone levels. Breastfeeding may result in a medical condition that prevents you from taking some drugs. Many women with thyroid illness continue to breastfeed for as long as they are able to safely do so.

Is Levothyroxine Safe to Take While Breastfeeding?

Is it necessary to wait until you start nursing before taking levothyroxine since little levels of thyroid hormones enter breast milk but have no effect on nursing, nor will small amounts damage breastfeeding infants or their underactive thyroid test during pregnancy? There are no health risks for moms who give their young infants levothyroxine.

Is Levothyroxine Safe During Pregnancy?

When you take levothyroxine, the T4 hormone from your natural thyroid is eliminated, so T4 makes up a big amount of your T4. It is safe to use this medication when pregnant. Hormone therapy containing the T3 hormone may be dangerous during pregnancy.


Is Hypothyroidism Harmful to a Baby While Pregnant?

Normal maternal hypothyroidism has been linked to the development of severe allergies in newborns, as well as premature birth and low birth weight. It is undeniable that thyroxine plays an important role in appropriate fetal brain development throughout time.

Thyroid medication has been linked to birth defects.

During pregnancy, a woman who takes any sort of thyroid medication may be at risk for birth abnormalities. Methimazole (MMI) and Tapazole are two of the most prevalent anti-thyroid medications (TNP).

With hypothyroidism, can I have a healthy baby?

In pregnant women, it’s also known as “hyperthyroidism.” More information about pregnant hypothyroidism may be found here. By receiving frequent thyroid function testing and using a range of medications recommended by her doctor, a woman with thyroid difficulties may still have a safe pregnancy.


Thyroid medication is safe to use while breastfeeding. There are no known cases of a mother passing on thyroid medication through breast milk, but it is possible. Reference: thyroid medication and breastfeeding.

Related Tags

  • is thyroid transfer from mother to baby
  • levothyroxine breastfeeding category
  • optimal thyroid levels for breastfeeding
  • how to increase milk supply with hypothyroidism
  • can hyperthyroidism affect breastfeeding baby
About the Author Tom Brewer

Share your thoughts
{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}