Modern medicine has evolved so much so that sooner or later every breastfeeding mother needs to take it in one form or other. Medication that is present in mothers blood will transfer into her breast milk to some extent. Most drugs do so at low levels and pose no real risk to infants but then there are some exceptions. In This post will discuss whether Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution is safe in breast-feeding or not.
What is Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution used for?
Levothyroxine Sodium for Injection is indicated for the treatment of myxedema coma. Important Limitations of Use: The relative bioavailability between Levothyroxine Sodium for Injection and oral levothyroxine products has not been established. Caution should be used when switching patients from oral levothyroxine products to Levothyroxine Sodium for Injection as accurate dosing conversion has not been studied. INDICATIONS AND USAGE Levothyroxine Sodium is an L-thyroxine product. Levothyroxine (T 4) Sodium for Injection is indicated for the treatment of myxedema coma. ( 1) Important Limitations of Use: The relative bioavailability of this drug has not been established. Use caution when converting patients from oral to intravenous levothyroxine. ( 1)
Can I continue breastfeeding if I am using Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution? How long does it stays in breast milk?
Active ingredient in Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution is Levothyroxine sodium anhydrous and based on our analysis of Levothyroxine sodium anhydrous it appears that using Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution is safe in breastfeeding. Below is analysis of Levothyroxine sodium anhydrous while breastfeeding.
Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution Breastfeeding Analsys
SafeCAS Number: 51-48-9
It should be taken into account whenever screening test are done in neonates. No problems have been reported when the usual therapeutic substitutive dosage is used to keep the mother euthyroid. Follow-up thyroid function cautiously in the infant when a higher suppressive dosage is used. Under latter conditions, a lack of ejection reflex despite an appropriate milk production has been observed in animals. American Academy of Pediatrics: Maternal Medication Usually Compatible With Breastfeeding.
Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution Breastfeeding Analsys - 2
CAS Number: 51-48-9
Levothyroxine (T4) is a normal component of human milk. Limited data on exogenous replacement doses of levothyroxine during breastfeeding indicate no adverse effects in infants. The American Thyroid Association recommends that subclinical and overt hypothyroidism should be treated with levothyroxine in lactating women seeking to breastfeed.[1] Levothyroxine dosage requirement may be increased in the postpartum period compared to prepregnancy requirements patients with Hashimoto's thyroiditis.[2]

I am nursing mother and I have already used Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution, what should I do?
It is always a good idea to keep your healthcare provider or doctor informed about your drug usage during pregnancy and breastfeeding but if you have not informed your doctor about Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution and have used it then do not panic as Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution is mostly safe in breastfeeding and should not cause any harm to your baby.
My doctor has prescribed me Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution, what should I do?
Definitely, Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution is safe in lactation for baby. No wonder your doctor has recommended it.
If I am using Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution, will my baby need extra monitoring?
No extra baby monitoring required while mother is using Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution
Who can I talk to if I have questions about usage of Levothyroxine Sodium Injection, Powder, Lyophilized, For Solution in breastfeeding?
US
National Womens Health and Breastfeeding Helpline: 800-994-9662 (TDD 888-220-5446) 9 a.m. and 6 p.m. ET, Monday through Friday
UK
National Breastfeeding Helpline: 0300-100-0212 9.30am to 9.30pm, daily
Association of Breastfeeding Mothers: 0300-330-5453
La Leche League: 0345-120-2918
The Breastfeeding Network supporter line in Bengali and Sylheti: 0300-456-2421
National Childbirth Trust (NCT): 0300-330-0700
Australia
National Breastfeeding Helpline: 1800-686-268 24 hours a day, 7 days a week
Canada
Telehealth Ontario for breastfeeding: 1-866-797-0000 24 hours a day, 7 days a week
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