Nipple Vasospasm: Why It Happens and What Helps
Nipple vasospasm is a temporary narrowing of the blood vessels supplying the nipple. This reduces blood flow and can cause significant pain, sometimes accompanied by visible changes in nipple colour. It may happen during breastfeeding, immediately afterwards or between feeds. The term vasospasm describes what is happening to the blood vessels. It does not, by itself, mean that someone has a medical condition. Nipple compression during feeding can also contribute to vasospasm, particularly when positioning and attachment are not comfortable or effective (The Breastfeeding Network, 2019; NHS, 2026).
Understanding the possible causes is important because the most helpful approach depends on what is contributing to the symptoms.
Recognising nipple vasospasm
Pain associated with nipple vasospasm is often described as burning, stabbing, shooting, throbbing or tingling. Some people experience a sharp pain as the nipple becomes pale, followed by throbbing or burning as blood flow returns (The Breastfeeding Network, 2024; Deniz and Kural, 2023).
The nipple may become white or pale, then develop a blue or purple appearance before returning to its usual pink or red colour. This is sometimes described as a triphasic colour change. However, not everyone experiences all three stages, and colour changes may be less apparent on some skin tones (The Breastfeeding Network, 2019; Deniz and Kural, 2023).
Pain may be felt in the nipple itself or radiate into the breast. It can affect one or both breasts and may last for several minutes after feeding. The timing, character and associated symptoms can provide useful clues, but no single symptom confirms the cause (The Breastfeeding Network, 2019; Newman, 2017).
Nipple compression and feeding mechanics
One important contributor to nipple vasospasm is mechanical compression during breastfeeding. When a baby is not attached deeply or comfortably, the nipple may be compressed between the tongue and the roof of the baby's mouth. This can restrict blood flow and may also cause tissue trauma. When the baby releases the breast, the change in pressure and return of blood flow can trigger pain.
The shape of the nipple after a feed can provide a useful clue. A nipple that appears flattened, ridged, creased, wedged or lipstick-shaped may have been compressed during feeding. A white or pale area may also be visible. These findings need to be considered alongside the feeding assessment rather than used in isolation (NHS, 2026; The Breastfeeding Network, 2019).
The priority is to understand why the nipple is being compressed and address the underlying feeding mechanics.
A skilled assessment should consider more than the position of the baby's mouth. It includes:
How the baby is positioned in relation to the feeding parent.
Whether the baby's whole body is close, supported and appropriately aligned.
Whether the baby's head is free to move, including the ability to extend their head as they approach and attach to the breast.
How the baby approaches the breast and achieves attachment.
Whether the baby can maintain a comfortable attachment throughout the feed.
Whether the baby is transferring milk effectively.
Whether oral function may be influencing the way the baby attaches and feeds.
There is no single breastfeeding position that works for every feeding dyad. The aim is to find an arrangement that allows the baby to approach the breast comfortably, move their head freely and achieve an effective attachment without unnecessary pressure on the nipple.
Changing position repeatedly without understanding why the nipple is being compressed may not resolve the problem. The important step is to identify what is happening during feeding and make appropriate changes.
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A visible lingual frenulum does not, by itself, establish that a baby has a functionally restrictive tongue-tie or explain nipple pain. Oral anatomy needs to be considered alongside function and the wider feeding picture.
Raynaud's phenomenon
Raynaud's phenomenon is a vascular condition in which small blood vessels temporarily narrow in response to particular triggers. It most commonly affects the fingers and toes, but it can also affect the nipples (The Breastfeeding Network, 2019; Ujueta et al., 2026).
Cold is a recognised trigger. Emotional stress can also trigger episodes of Raynaud's phenomenon by influencing vascular responses. This does not mean that emotional stress is the cause of an individual's nipple pain, or that symptoms are simply related to anxiety (Ujueta et al., 2026).
When Raynaud's affects the nipple, pain may be particularly noticeable after feeding when the nipple is exposed to cooler air. The nipple may become white, blue or purple before returning to its usual colour as circulation recovers.
A history of Raynaud's symptoms elsewhere, circulation problems or migraines may provide additional information during assessment. However, nipple vasospasm can occur without a previous diagnosis of Raynaud's phenomenon (The Breastfeeding Network, 2019).
It is useful to distinguish between compression-related vasospasm and Raynaud's phenomenon. If nipple compression is contributing to the symptoms, improving positioning and attachment is a priority. If pain and colour changes continue despite comfortable, effective feeding, Raynaud's may need further consideration.
Mammary constriction syndrome
Mammary constriction syndrome (MCS) is a term used to describe deep breast pain associated with sustained tension in the pectoral muscles beneath the breast (Kernerman and Park, 2014).
Poor breastfeeding posture, prolonged periods of holding the baby in an uncomfortable position, or tightening the shoulders and chest in anticipation of a painful latch may contribute to muscular tension. This can be associated with deep breast discomfort rather than pain confined to the nipple.
The pain may be described as aching, stabbing or shooting and can be felt through the breast and chest area. Dr Jack Newman has also discussed referred or radiating pain, where discomfort originating in the nipple is felt elsewhere in the breast (Newman, 2017).
Where poor posture or uncomfortable positioning is contributing to muscular tension, the priority is to correct the underlying problem. Improving the baby's positioning and attachment, supporting the feeding parent's posture and avoiding sustained tension are important. Pectoral massage or stretching may be considered as an adjunct, but should not replace addressing the feeding mechanics.
Further information is available in Mammary Constriction Syndrome.
Other factors that may contribute to nipple pain
Not all nipple pain is caused by vasospasm. Skin conditions, nipple damage and other breast or nipple problems may cause discomfort or occur alongside feeding-related pain.
Dermatitis and eczema can affect the nipple and areola. The skin may appear dry, flaky, red, itchy, cracked or inflamed. Irritant or allergic contact dermatitis can occur following exposure to products applied to the skin, including nipple creams, cleansers, breast pads or laundry products. Persistent skin changes need appropriate assessment rather than being assumed to be vasospasm (Jones, 2024).
Lanolin, which is commonly included in nipple creams, can also cause problems for some people. Although it is often marketed to soothe sore nipples, it can trigger contact irritation or an allergic reaction. Applying lanolin to already fragile, sore or damaged nipple and areolar skin may cause stinging, discomfort or worsening pain. This is worth considering if symptoms began or became worse after using a lanolin-containing product (Moore and Stevenson, 2025).
Medication history is also worth considering. Some medicines can influence vascular responses, and it is helpful for a healthcare professional to know about prescribed medicines, over-the-counter preparations and supplements. Do not stop or change prescribed medication without discussing it with the prescriber.
SSRIs are sometimes discussed in the context of persistent pain, but this does not establish that they are a treatment for nipple vasospasm or that they are responsible for an individual's symptoms. The evidence for pharmaceutical treatment of lactation-related nipple pain remains limited and contested (Douglas, 2022).
Expressing and nipple vasospasm
Nipple pain can also occur during or after expressing milk. If symptoms are associated with pumping, the equipment and the way it is being used need to be considered.
A flange that is unsuitable in size or shape, excessive suction, friction or repeated pulling of the nipple and areola into the tunnel may contribute to discomfort and tissue trauma. Increasing suction is not necessarily the answer and may make discomfort worse (Amir et al., 2021).
A review of expressing should consider the movement of the nipple within the flange, whether the breast is being drawn into the tunnel, the level of suction, cycle settings, comfort and the amount of time spent expressing.
Hand expression can also cause discomfort if the nipple itself is pinched or pulled rather than pressure being applied behind the nipple to move milk forwards.
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Measures that may help
The most useful measures depend on the cause of the symptoms. Where nipple compression is contributing, correcting positioning and attachment is the priority. Comfort measures alone will not resolve an ongoing mechanical problem.
Where cold is a trigger, some people find it helpful to:
Keep the breasts and nipples warm between feeds.
Cover the nipple promptly after feeding rather than leaving it exposed to cold air.
Avoid sudden changes in temperature where possible.
Use a comfortably warm compress after feeding.
Avoid applying anything excessively hot to the nipple, particularly when sensation is altered.
If caffeine appears to make symptoms worse, it may be worth considering whether reducing intake changes the pattern. Avoid smoking and nicotine, which can affect blood vessels. These measures may help some people, but they should not be treated as a substitute for assessing the underlying cause (The Breastfeeding Network, 2019; The Breastfeeding Network, 2024).
If you are expressing, check that your pump settings and flange fit are comfortable. Persistent pain during expressing deserves assessment too.
Keeping a note of symptoms
It may be helpful to notice when the pain occurs and whether there are any patterns. For example, does it happen at the initial latch, continue throughout the feed, begin immediately afterwards or occur between feeds? Is it burning, stabbing, shooting or throbbing? Does it happen during breastfeeding, expressing or both? Does it seem worse at a particular time of day, overnight, following exposure to cold or at a particular point in the menstrual cycle?
However, keeping a diary is entirely optional. It is not intended to add to maternal workload, create another task to complete or encourage families to analyse figures. There is no need to measure, score or record every episode of pain.
The priority is a skilled infant feeding specialist observing a complete feed. Seeing what happens throughout the feed provides important information about positioning, attachment, oral function, nipple compression and milk transfer. A diary may add context, but it is not a substitute for that assessment.
Getting the right support
If nipple pain is persistent, recurrent or affecting your ability to feed comfortably, seek support rather than feeling you have to manage it alone. An appropriately qualified infant feeding specialist can observe a complete feed and assess positioning, attachment, nipple shape and colour, and how your baby is transferring milk. If expressing is involved, the assessment may also consider pump use and flange fit.
Where pain continues despite comfortable and effective feeding, or there are symptoms suggesting Raynaud's phenomenon, a medical assessment may be appropriate. A GP may consider whether there are other contributing factors and whether further investigation or treatment is needed.
Medication may be considered in some circumstances, but decisions need to be made by an appropriately qualified prescriber following an individual assessment. Evidence for medication specifically to treat lactation-related nipple vasospasm is limited, and potential benefits need to be considered alongside side effects and the wider clinical picture (Douglas, 2022).
For information about medicines and breastfeeding, the Breastfeeding Network's Raynaud's factsheet and its Drugs in Breastmilk service are useful sources of further information. A pharmacist or prescriber can also help review medication questions. Do not stop or change prescribed treatment without seeking advice.
Seek prompt medical advice if you develop a hot, swollen or increasingly painful area of breast tissue, fever, flu-like symptoms or feel generally unwell. Persistent nipple skin changes, cracking, bleeding, ulceration or a new breast lump also need assessment. If your baby is feeding less effectively, has fewer wet nappies than expected, is unusually sleepy or there are concerns about weight gain, seek timely assessment of their feeding and health (NHS, 2026).
Looking after your emotional wellbeing
Breastfeeding or expressing with ongoing pain can be physically and emotionally exhausting. It is important to recognise the impact this may have on maternal mental health, particularly if pain is affecting sleep, confidence or how you feel about feeding. Be kind to yourself and remember that you do not have to simply put up with pain. You deserve care and support too. Make time for rest and self-care where possible, and talk to someone you trust or a healthcare professional if you are finding things difficult emotionally.
References
Amir, L.H., Baeza, C., Charlamb, J.R. and Jones, W. (2021) ‘Identifying the cause of breast and nipple pain during lactation’, BMJ, 374, n1628. doi:10.1136/bmj.n1628.
Deniz, S. and Kural, B. (2023) ‘Nipple vasospasm of nursing mothers’, Breastfeeding Medicine, 18(6), pp. 494–498. doi:10.1089/bfm.2023.0024.
Douglas, P. (2022) ‘Re-thinking lactation-related nipple pain and damage’, Women's Health, 18. doi:10.1177/17455057221087865.
Jones, W. (2024) ‘Eczema, dermatitis and breastfeeding’. Breastfeeding and Medication.
Kernerman, E. and Park, E. (2014) ‘Severe breast pain resolved with pectoral muscle massage’, Journal of Human Lactation, 30(3), pp. 287–291. doi:10.1177/0890334414535842.
Moore, H. and Stevenson, A. (2025) ‘Breast and nipple dermatoses during lactation’, Australasian Journal of Dermatology, 66(7), pp. e386–e407. doi:10.1111/ajd.14586.
Newman, J. (2017) ‘When it hurts to breastfeed: Part 2’, International BreastFeeding Centre, 27 September.
NHS (2026) ‘Breast pain and breastfeeding’. NHS.
NHS (2026) ‘Sore or cracked nipples when breastfeeding’. NHS.
The Breastfeeding Network (2019) ‘Raynaud’s phenomenon in breastfeeding mothers’.
The Breastfeeding Network (2024) ‘Pain: If breastfeeding hurts’.
Ujueta, F., Goudot, G., Cutolo, M., Dolan, R., Hoffman, C., Desai, M. and Gerhard-Herman, M. (2026) ‘Primary and secondary Raynaud: a scientific statement from the American Heart Association’, Circulation, 154(13), pp. e505–e517. doi:10.1161/CIR.0000000000001464.
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