Itching during pregnancy is extremely common and usually caused by hormonal shifts and stretching skin, especially across the belly. In most cases it’s a harmless nuisance. But intense itching, particularly on the palms of your hands or soles of your feet, can signal a liver condition called intrahepatic cholestasis of pregnancy (ICP) that needs prompt medical attention. Understanding the difference matters.
Stretching Skin and Rising Hormones
The most straightforward explanation is mechanical: your skin is stretching rapidly, particularly across the abdomen, and stretched skin loses moisture faster. As your belly grows in the second and third trimesters, dryness and itching tend to increase together. This is the most common source of pregnancy itching, and it resolves after delivery.
Hormones play a role too. Rising estrogen levels can cause reddish, itchy patches on the palms of your hands, a condition called palmar erythema. It looks alarming but is harmless and disappears once hormone levels return to normal postpartum. Progesterone and other hormonal shifts also make skin more reactive to products, fabrics, and temperatures that never bothered you before.
Atopic Eruption of Pregnancy
Atopic eruption of pregnancy (AEP) is the single most common skin condition during pregnancy, accounting for up to 50% of all pregnancy-related skin problems. It’s essentially eczema triggered or worsened by pregnancy. If you’ve ever had eczema, asthma, or hay fever, you’re more likely to develop it, but it can also appear for the first time during pregnancy in people with no prior history.
AEP looks like typical eczema: dry, red, itchy patches that tend to show up in the creases of elbows, behind the knees, on the neck, and on the chest. The itch can be intense. It usually responds well to fragrance-free moisturizers and, when needed, treatments your provider can prescribe that are safe during pregnancy.
PUPPP Rash
PUPPP (pruritic urticarial papules and plaques of pregnancy) is a rash that typically appears in the last few weeks of pregnancy, though about 15% of cases actually start right after delivery. It’s more common in first pregnancies.
The rash has a distinctive pattern. Small pink bumps appear first in the stretch marks around your belly button, often with a pale ring around each bump. These merge into larger, hive-like raised patches that spread outward to the buttocks, thighs, and sometimes the arms and legs. It rarely appears on or above the breasts. PUPPP is maddening but not dangerous to you or the baby, and it clears up on its own after delivery, usually within a few weeks.
Cholestasis: The Itch That Needs Attention
Intrahepatic cholestasis of pregnancy is a liver condition where bile acids build up in your bloodstream because bile flow slows down. It affects a small percentage of pregnancies, but it’s the one cause of pregnancy itching that carries real risk for the baby. A meta-analysis of multiple studies found that ICP roughly doubles the risk of preterm birth and nearly doubles the risk of complications with the amniotic fluid.
The itching from cholestasis feels different from ordinary pregnancy itching. It typically starts on the palms and soles before spreading to other parts of the body, and it’s notably worse at night. Many people describe it as deep and relentless, the kind of itch that keeps you awake. There’s usually no visible rash, just the itching itself. Some people develop yellowing of the skin or eyes, though this is less common.
Cholestasis is diagnosed through a blood test measuring total bile acid levels. The NHS advises getting urgent medical help if you have intense itching that keeps you awake at night, or if the itching is concentrated on your palms or soles. Don’t wait for your next scheduled appointment. Call your maternity unit or provider directly.
When cholestasis is caught and managed, outcomes improve significantly. Your provider will monitor bile acid levels and typically plan for an earlier delivery to reduce risk to the baby. The itching resolves quickly after birth.
Pemphigoid Gestationis
This is a rare autoimmune blistering condition that occurs in roughly 1 in 50,000 pregnancies. It usually appears in the third trimester and starts as itchy, hive-like plaques that progress to tense, fluid-filled blisters, most often on the arms and trunk. It’s not related to herpes despite an older name that suggested a connection. If you develop actual blisters during pregnancy, your provider will want to evaluate you promptly, since this condition requires specific treatment and monitoring.
How to Tell What’s Normal
Mild, intermittent itching over your belly that comes and goes, especially as your skin stretches, is completely normal. Itching that responds to moisturizer and doesn’t wake you up at night generally falls into the harmless category. The same goes for patchy eczema-like areas on your arms or legs, particularly if you have a history of sensitive skin.
The pattern that warrants a call to your provider is different: itching that’s concentrated on your palms or soles, itching that’s significantly worse at night or intense enough to disrupt your sleep, or itching that appears suddenly without any visible rash. Dark urine or pale stools are additional warning signs that point toward a liver issue. You don’t need to have all of these symptoms. Palm and sole itching alone is enough reason to get checked.
Relieving Pregnancy Itch Safely
For the garden-variety stretching and dryness itch, consistent moisturizing makes the biggest difference. The American Academy of Dermatology recommends choosing products free of fragrances, alcohols, and sulfates, since pregnancy hormones make your skin more sensitive to irritants. Apply moisturizer right after bathing while skin is still damp to lock in hydration.
Cool compresses, lukewarm (not hot) showers, and loose cotton clothing all help reduce the urge to scratch. Oatmeal baths can soothe widespread itching. Calamine lotion and products containing menthol provide temporary cooling relief on localized areas.
A few ingredients to avoid during pregnancy regardless of how itchy you are: retinoids (including over-the-counter retinol), hydroquinone, and any prescription acne treatments you haven’t cleared with your provider. If over-the-counter approaches aren’t enough, your provider can recommend stronger options that have been studied in pregnancy.
For PUPPP or AEP that isn’t responding to basic moisturizing, prescribed treatments can bring real relief. The key is not to suffer through it silently, since there are safe options available even during pregnancy.