Nipple pain when touched usually comes from something straightforward: friction, hormonal shifts, or minor skin irritation. The nipple has a dense concentration of nerve endings, which makes it one of the most sensitive areas on the body and one of the first places you’ll notice discomfort when something is off. Most causes resolve on their own or with simple changes, but a few warrant closer attention.
Friction and Physical Irritation
The most common reason for nipple tenderness is repetitive rubbing from clothing. This is especially true if you exercise, wear rough fabrics, or go without a well-fitting bra or compression layer. Runners deal with this so frequently it has its own name: jogger’s nipple. Thousands of strides in a sweat-soaked shirt create enough friction to cause tiny tears in the skin. Cotton is a notorious offender because it gets heavy and clings to the chest when wet.
Cold weather makes the problem worse because nipples become more erect and more exposed to rubbing. After the damage is done, the skin looks red, dry, and irritated, and it stings when anything touches it. Bleeding can happen too. If this sounds familiar, switching to a moisture-wicking synthetic fabric, applying a barrier like petroleum jelly before activity, or using adhesive nipple covers during exercise typically solves the problem within a few days.
Hormonal Shifts During Your Cycle
If your nipples hurt on a roughly monthly schedule, hormones are the likely explanation. Breast tissue contains receptors for both estrogen and progesterone, and those hormones fluctuate significantly across each menstrual cycle. After ovulation, during the second half of your cycle (the luteal phase), progesterone surges. This triggers rapid changes in the breast: cell activity increases, ducts swell slightly, and fluid retention rises. The breast reaches its largest dimensions right before your period starts.
Many people notice soreness, swelling, or a feeling of heaviness during this window. Nipples can become so sensitive that even light contact with clothing feels uncomfortable. The tenderness usually fades within a day or two of your period beginning, as progesterone levels drop. If it follows that pattern, it’s considered a normal part of your cycle rather than a sign of a problem.
Pregnancy
Nipple sensitivity is one of the earliest signs of pregnancy, sometimes appearing before a missed period. The breasts may feel tender and tingly, similar to premenstrual soreness but often more intense. Veins can become more visible, and the nipples themselves may darken and stand out more than usual. If there’s any chance you could be pregnant and you’re noticing these changes, a home pregnancy test is the fastest way to check.
Skin Conditions on the Nipple
Eczema can develop directly on the nipple and areola, causing flaky, itchy, cracked skin that hurts when touched. This is sometimes a localized flare of atopic dermatitis, the same condition that causes dry, irritated patches elsewhere on the body. It can also be allergic contact dermatitis, a reaction to something that touches the area: laundry detergent, fabric softener, body wash, lotion, or the material of a bra.
When the irritation appears on both nipples and spreads to the surrounding skin, contact dermatitis is the more likely cause. Unilateral eczema (one side only) that stays confined to the nipple itself tends to have different origins and is worth getting evaluated, partly to rule out rarer conditions.
Infections: Thrush and Mastitis
If you’re breastfeeding and your nipples are pink, shiny, and painfully sensitive to touch, a yeast infection (thrush) is a common culprit. A hallmark of nipple thrush is that the pain feels disproportionate to how the skin looks. You might see only mild pinkness, but the pain can be sharp or stabbing. Itching, flaking, cracking, or blistering may also develop.
Bacterial infections can also cause nipple and breast pain, usually accompanied by redness, warmth, swelling, and sometimes fever. The distinction matters because yeast and bacterial infections require different treatments. If you’re nursing and the pain is persistent or worsening, getting the right diagnosis early makes a meaningful difference in recovery time.
Medications That Cause Nipple Tenderness
Several common medications list breast or nipple pain as a side effect. Oral contraceptives are among the most frequent causes, and the relationship is unpredictable: the same pill that relieves breast pain in one person can trigger it in another. SSRIs (a widely prescribed class of antidepressants), estrogen replacement therapy, certain blood pressure medications, and some diuretics (water pills) can all contribute. If the tenderness started around the same time you began or changed a medication, that connection is worth exploring with your prescriber.
Nipple Pain in Men
Men experience nipple pain for many of the same mechanical reasons: friction from exercise, irritation from rough clothing, or minor skin conditions. One additional cause to be aware of is gynecomastia, an enlargement of breast tissue driven by a hormonal imbalance between testosterone and estrogen. The tissue may form a small, movable lump behind the nipple that feels tender when pressed. Gynecomastia is common during puberty, in middle age, and as a side effect of certain medications. It’s usually benign but worth having checked if the lump is new, growing, or painful.
Signs That Need Medical Attention
Most nipple pain is temporary and harmless. A few specific changes, however, point to conditions that require evaluation. Paget’s disease of the breast is a rare form of cancer that starts in the nipple and can look deceptively like eczema. The warning signs include flaky or crusty skin on the nipple that doesn’t heal, a burning or itching sensation, straw-colored or bloody discharge, a nipple that turns inward, or a lump in the breast. Symptoms almost always affect one breast only and typically begin at the nipple before spreading outward.
Other reasons to get evaluated: nipple discharge when you’re not pregnant or breastfeeding (especially if it’s bloody or spontaneous), a new lump or thickening in the breast tissue, skin changes that persist for more than two to three weeks despite removing obvious irritants, or pain that is severe, worsening, or unlike anything you’ve experienced before.
What Actually Helps With the Pain
The best approach depends entirely on the cause. For friction-related soreness, prevention works better than treatment: moisture-wicking fabrics, nipple covers or tape during exercise, and a well-fitting bra or compression top. Petroleum jelly applied before activity creates a protective barrier. Once the skin is already irritated, keeping it clean, dry, and protected from further rubbing usually allows healing within a few days.
For hormonal tenderness, a supportive bra (even at night during the worst days of your cycle) can reduce how much the tissue moves and limit discomfort from contact. Some people find that reducing caffeine helps, though the evidence for this is mixed.
For breastfeeding-related nipple pain, a Cochrane review of clinical trials found insufficient evidence that any single topical treatment, including lanolin, glycerine gel dressings, or multi-ingredient nipple ointments, significantly improved pain after seven days. That doesn’t mean nothing works, but it does mean the most effective strategy is addressing the underlying cause (correcting latch, treating infection) rather than relying on a cream to manage the symptoms.