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How much Benadryl will dry up breast milk?

Understanding Benadryl and Its Impact on Breast Milk Supply
Benadryl, the brand name for diphenhydramine, is an antihistamine commonly used to relieve allergy symptoms, but its effects on breastfeeding mothers and their milk supply are significant considerations for nursing parents.
How Benadryl Affects Milk Supply
Research indicates that small, occasional doses of diphenhydramine are unlikely to cause adverse effects in breastfed infants. However, larger doses or prolonged use can lead to a decrease in milk supply. This is particularly true when combined with other medications, such as pseudoephedrine, which is known to further reduce milk production.
The mechanism behind this reduction in milk supply is linked to the sedative properties of Benadryl. Antihistamines like diphenhydramine can inhibit the release of prolactin, a hormone essential for milk production. As a result, the more frequently and heavily a breastfeeding mother uses Benadryl, the greater the risk of experiencing a significant drop in her milk supply.
Dosage Considerations
While there is no specific dosage of Benadryl that universally guarantees a reduction in breast milk, the general consensus is that higher doses and extended use pose a greater risk. For mothers concerned about their milk supply, it is advisable to limit the use of Benadryl to occasional doses and to consult with a healthcare provider for alternatives that are less likely to impact breastfeeding.
Alternatives to Benadryl
For nursing mothers seeking relief from allergies or other conditions, there are non-sedating antihistamines available that are considered safer for breastfeeding. These alternatives are less likely to interfere with milk production and can provide effective symptom relief without the associated risks of Benadryl.
In summary, while Benadryl can be used by breastfeeding mothers, caution is warranted. Occasional use may not significantly affect milk supply, but larger doses or prolonged use can lead to a decrease. Mothers should always consult healthcare professionals to explore safer options and ensure their breastfeeding journey remains healthy and productive.

Will one Benadryl dry up breast milk?

Benadryl doesn’t affect the amount of milk your body makes. However, it may decrease the flow of milk from your breasts. Benadryl can also be passed to your child through your breast milk when you take the pills or use it on your skin.

What antihistamine won’t dry up breast milk?

Zyrtec (cetirizine) is the preferred antihistamine when breastfeeding. Other second-generation antihistamines are also considered safe, but do not have as much research to support their use.

What medication is used to stop breastfeeding?

Using medication to stop your breast milk
Taking drugs such as Cabergoline or Dostinex® to stop breast milk works best for mothers who have not been breastfeeding for long. Talk to your doctor, midwife or nurse if you would like more information about these drugs.

How much time does it take for breast milk to dry up?

There is no set timeline for the lactation suppression process. Instead, how quickly your milk dries up depends on several factors, including the age of your baby and your average milk supply. Breast milk can take days, weeks, or months to dry up. It is recommended that you gradually wean your breastfed baby.

Can breast milk come back after drying up?

Some parents impacted by the baby formula shortage may be wondering if they can start breastfeeding again. A process known as re-lactation can help patients produce breast milk, even if it has been weeks or months since they did so.

What is the fastest way to dry up breast milk?

Drink one mug of sage or peppermint tea 3 or 4 times per day, for 2 to 3 days. Pseudoephedrine (Sudafed) can help dry up your milk, but ask your doctor before using this medicine, and do not take it if you have kidney or thyroid problems, or if you have glaucoma. Take Benadryl as directed on the package.

What happens if I take antihistamines while breastfeeding?

There is conflicting data on the effect of antihistamines and breast milk production, and the evidence is very limited. Antihistamines, used at normal therapeutic doses are unlikely to affect breast milk production, especially where lactation is established, i.e. after 6-8 weeks postpartum.

Is there a pill to dry up breast milk fast?

Cabergoline can be used for milk suppression. It works by stopping the body’s production of prolactin. The FDA has not approved this use for this drug, but it may be prescribed off-label. Your doctor can explain the benefits and risks.

How much Benadryl can I take while breastfeeding?

Taking Benadryl occasionally during breastfeeding is safe. However, taking Benadryl regularly or in large doses may cause side effects in a child who is breastfed. It may also reduce your milk supply. Antihistamines that cause less sleepiness are usually preferred over oral Benadryl while breastfeeding.

How much Benadryl is too much for a baby?

Benadryl dosage for infants

Age Dosage
Under 2 Do not use
2–5 Do not use unless directed by a doctor
6–11 1 or 2 tsp (5–10 mL) every 4 to 6 hours

Jul 21, 2023

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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