I'd never heard of it but googled it and got this:
It stands for Pruritic Urticarial Papules and Plaques of Pregnancy (or just itchy skin bumps). PUPPPs is a benign, harmless skin condition, but nonetheless a thoroughly annoying one, and is often very distressing for the mother-to-be. Typically characterised by a rash, which appears in the later stages of pregnancy, it tends to develop on the abdomen near the umbilical area and spreads to the arms, thighs and extremities. Often the itching becomes very intense. It can, and usually does, spread to the rest of the body but rarely involves the face. Many women compare their appearances to scalds. Others remark that the itch becomes so unbearable late at night that they must tape gloves to their hands to ensure they won't scratch themselves to the point of bleeding while they sleep.
What Causes It?
Research in America suggests that it's more common in first pregnancies and is triggered by your body's reaction to the cells of the growing foetus. In other words, you're allergic to your own baby! It's also worth noting the condition is hereditary and can be traced through the father's side. In most cases, PUPPPs disappear within a few days of delivery and rarely reoccurs in subsequent pregnancies. However, there have been exceptions to this where women have experienced PUPPPs in second, third and even fourth pregnancies.
Possible Remedies
When all is said and done, what can sufferers do to ease the terrible discomfort caused by the endless itch?
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Wear loose cotton clothing - tight lycra has a lot to answer for!
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Itching may be soothed by dissolving a cupful of bicarbonate of soda in your bathwater.
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Try dabbing calamine lotion onto itchy skin - this is especially soothing if you keep the bottle in the fridge.
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Treat sweat rashes by washing frequently in cool water and dabbing cold flannels on the rashes.
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If a rash does not improve with these simple measures consult your doctor, as specific anti-fungal or other treatments may be appropriate. Alternatively he or she may prescribe antihistamine cream or tablets.