Are Deworming Medicines Safe While Breastfeeding?

You may get a parasitic worm infection even when you are lactating. Receiving timely treatment is necessary for maintaining your health. Many factors may affect your treatment options, including the type of infection, your baby's age, and your overall health. However, most deworming medicines are considered safe even during breastfeeding.

Pregatips
You may have questions about the safety of deworming medicine for your baby while breastfeeding. However, many deworming medicines are considered safe even while breastfeeding when prescribed appropriately. Generally, such medicines pass into breast milk in very small amounts. Therefore, they are unlikely to harm a healthy, full-term infant.
Depending on the type of worm infection you have, your doctor will advise the safest medicine for you. They will also consider your and your baby’s health before prescribing the treatment.

So, it is crucial to consult your doctor before taking any deworming medicine while nursing.

How Can Untreated Worm Infections Affect Your Health During Breastfeeding

You may delay your treatment because of concerns associated with exposing your baby to medication. However, if the worm infection remains untreated, it can also affect your health.

Depending on the parasite involved, a worm infection may cause the following:

  • Persistent anal itching
  • Abdominal pain
  • Diarrhoea
  • Iron deficiency anaemia
  • Poor nutrient absorption
  • Weight loss
  • Unexplained fatigue

Worm Infections That May Affect You During Breastfeeding

Many types of intestinal worms may affect your gut during breastfeeding.

The treatment is only effective if the causative agent is detected accurately.

Type of parasiteCommon symptomsTreatment options
Threadworms (Pinworms)Intense itching around the anus, especially at night, disturbed sleepMebendazole, albendazole, or pyrantel pamoate
Roundworms (Ascariasis)Abdominal pain, nausea, bloating, passing worms in stoolAlbendazole or mebendazole
HookwormsFatigue, iron-deficiency anaemia, abdominal discomfortAlbendazole or mebendazole
Whipworms (Trichuriasis)Diarrhoea, abdominal cramps, rectal discomfortMebendazole or albendazole
Tapeworm infectionsMild abdominal discomfort, weight loss, and passing segments in stoolPraziquantel or niclosamide, depending on the species

Which Deworming Medicines Are Considered Safe During Breastfeeding?

The safety of deworming medicines varies depending on the active ingredient.

Worm infectionCommon medicineBreastfeeding safety
ThreadwormsMebendazole, albendazole, pyrantel pamoateGenerally compatible
RoundwormsAlbendazole, mebendazoleGenerally compatible
HookwormsAlbendazole, mebendazoleGenerally compatible
WhipwormsMebendazole, albendazoleGenerally compatible
TapewormsPraziquantelCompatible
Never self-medicate, especially if you are breastfeeding a premature or medically fragile baby.

Can Deworming Medicines Pass Into Breast Milk?

Yes, but usually only in very small amounts.

Medicines such as mebendazole are absorbed very poorly by the body, so only tiny amounts are expected to reach breast milk. This makes infant exposure minimal.

How Can These Medicines Affect Your Baby?

As per experts, common deworming medicines rarely cause problems in breastfed infants.

Most babies experience no side effects.

In rare situations, monitor your baby for:

  • Unusual sleepiness
  • Poor feeding
  • Vomiting
  • Diarrhoea
  • Rash
  • Irritability
If you notice any concerning symptoms after you start treatment, contact your baby's healthcare provider.


Preventing Worm Infections While Breastfeeding

Good hygiene helps reduce the risk of reinfection.

You can lower your risk by:

  • Washing your hands thoroughly after using the toilet and before meals
  • Keeping fingernails short and clean
  • Washing bedding, towels, and underwear regularly
  • Cleaning bathroom surfaces frequently
  • Washing fruits and vegetables before eating
  • Wearing footwear outdoors where appropriate
  • Treating close household contacts if recommended by your healthcare provider, particularly for threadworm infections

When Should You Consult Your Doctor?

You should consult your doctor if you notice any of the following signs:

  • Notice worms in your stool
  • Have severe or persistent anal itching
  • Develop ongoing abdominal pain
  • Experience unexplained weight loss
  • Have blood in your stool
  • Have repeated worm infections
  • Are breastfeeding a premature or medically vulnerable baby
  • Are unsure which medicine is safe for you
Most commonly prescribed deworming medicines are considered safe while breastfeeding. However, always consult your healthcare provider before taking them. Appropriate and timely care can help you continue breastfeeding safely.

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FAQs on Are Deworming Medicines Safe While Breastfeeding

  1. Can I breastfeed immediately after taking albendazole?
    Yes. For most breastfeeding mothers, there is no need to interrupt breastfeeding after a standard dose of albendazole. Always follow your healthcare provider's advice.
  2. Can I use over-the-counter deworming medicine while breastfeeding?
    Even if a medicine is available without a prescription, consult your healthcare provider or pharmacist before taking it while breastfeeding.
  3. Can untreated worm infections affect breastfeeding?
    The infection itself does not usually affect breast milk. However, severe infections may contribute to fatigue, poor nutrition, or anaemia, which can affect your overall wellbeing.
Medically Reviewed By:
Dr Hridaya Kapoor, Senior Consultant - Department of Obstetrics and Gynecology at Cloudnine Group of Hospitals, Punjabi Bagh, New Delhi