Pregnancy · Obstetrician First · CityLink Mall

Acne in Pregnancy —
Treat Gently, Plan The Rest

Acne often starts or flares in early pregnancy, just when many of the usual acne medicines have to be set aside. This page explains what is avoided, what is generally used once your obstetrician agrees, and how Dr Sin Yong plans the rest for after delivery and breastfeeding.

The Mechanism

Hormones Turn Up The Oil

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Androgens and progesterone rise in pregnancy, with the sharpest change in the first trimester. Both increase sebum, so acne can begin for the first time, return after years of clear skin, or worsen. If you had acne before, or tend to break out before your period, a flare in pregnancy is more likely. Acne that follows the menstrual cycle outside pregnancy is covered on hormonal acne in adult women.

Pregnancy also changes the skin around the acne:

Change One
More Oil
Hormonal shifts raise sebum output, most steeply in the early weeks.
Change Two
Lower-Face Pattern
Breakouts tend to gather along the jaw and lower face, and at times on the chest and back.
Change Three
Marks Darken Easily
Post-inflammatory marks pigment more readily in pregnancy, while the usual lightening creams are among those set aside.
Change Four
More Reactive Skin
Skin can become more sensitive, and melasma may appear or darken.

Types

How Pregnancy Acne Behaves

Most acne in pregnancy is mild or moderate. Some flares calm down in the middle or later months, some carry on until delivery, and some appear only after the birth.

Two things are settled at the first visit. Dr SY confirms that the spots are acne, because itchy pregnancy rashes and folliculitis can look similar. And every product you were using before you knew you were pregnant is checked, starting with any retinoid, tetracycline or hormonal acne medicine, so that your obstetrician can be told.

Specifications

Region
Lower face and jaw; at times the chest and back
Assessment
Acne confirmed and graded, look-alikes excluded, every product and medicine checked
Modalities
Gentle routine, sun protection and a short list of topicals once your obstetrician agrees; procedures after delivery
Review
Plan revisited after delivery, and again when breastfeeding ends
Type I
Early Flare
Begins or worsens during the first trimester; it may quieten as pregnancy goes on.
Type II
Persistent
Continues through to delivery, often along the jaw and lower face.
Type III
Postpartum
Appears only after the birth, and is often assessed with other postpartum changes such as hair shedding or melasma.
Type IV
Not Acne
Itchy pregnancy rashes or folliculitis that resemble acne and are handled differently.

The Decision

Your Obstetrician Decides First

Where there is no good evidence on safety in pregnancy, the default is to wait. Dr SY does not prescribe against your obstetrician's advice, and if the two have not yet been in touch, a note or a call comes first. If oral treatment is needed, it is decided with your obstetrician, with referral to a dermatologist where appropriate.

Set aside in pregnancy. Oral isotretinoin must not be taken in pregnancy because of the serious risk to an unborn baby. Oral tetracyclines are avoided because they are deposited in developing teeth and bone. Topical retinoids belong to the same family as isotretinoin; very little is absorbed, but they are avoided as a standard precaution, and a cosmetic retinol counts as a retinoid. Hormonal anti-androgen treatment and hydroquinone are set aside too.

Generally used, once your obstetrician agrees. Azelaic acid is often the first choice, and it also helps marks while hydroquinone is off the list. Topical clindamycin is used in combination, for a set period. Benzoyl peroxide, and glycolic acid in low-strength products, are kept to small areas. Where acne is severe, an oral antibiotic from a group regarded as compatible with pregnancy may be chosen with your obstetrician. Beneath it all sit a mild cleanser twice a day, a plain moisturiser and broad-spectrum sunscreen, which also limit how dark marks become; see post-inflammatory hyperpigmentation.

After delivery and breastfeeding, the full acne treatment pathway is open again.

Acne Treatment

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What Waits Until After

Elective procedures are put off in pregnancy: there is no safety evidence for them, acne does not make them urgent, and the skin and face are still changing. At Atelier this includes:

  • Lasers for redness, marks and tone, such as R2 Glow, the Shaonu Guang laser and laser toning.
  • Acne scar work, including fractional CO2, FSX, RF microneedling, subcision and TCA CROSS. These are not started while acne is active in any case; see the acne-to-scar pathway.
  • Injectables, radiofrequency and HIFU, which wait until after pregnancy and usually until breastfeeding ends.

A Hydrafacial is assessed case by case, with the acid step and boosters adjusted or left out. For a single painful cyst, warm compresses and your topical treatment help; squeezing does not.

Breastfeeding

While You Breastfeed

Breastfeeding usually allows a little more than pregnancy. For each medicine, the question is whether a meaningful amount reaches breast milk and whether that matters to your baby, and the default is still to ask first. Anything applied to the chest is kept away from the nipple and areola, and washed off your hands before feeding.

The usual position in pregnancy and breastfeeding; your obstetrician's or doctor's advice comes first
TreatmentIn pregnancyWhile breastfeeding
Oral isotretinoinNot takenNot taken
Oral tetracyclinesAvoidedProlonged courses avoided; a short course is a doctor's decision
Topical retinoids and retinolAvoidedUsually deferred until feeding ends
Hormonal anti-androgen treatmentAvoidedDecided with your doctor
HydroquinoneAvoidedDeferred
Azelaic acid, benzoyl peroxide, topical clindamycinGenerally used on limited areas, after adviceGenerally regarded as compatible, on small areas kept off the breast
Elective lasers, radiofrequency, focused ultrasound, injectablesDeferredUsually deferred; some devices assessed individually

FAQ

Acne in Pregnancy — Common Questions

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Stop using it and let your obstetrician know. Topical retinoids, including cosmetic retinol, are avoided in pregnancy as a precaution, but very little is absorbed through the skin, so earlier use is a reason to inform your obstetrician rather than a cause for alarm. Oral isotretinoin is different: if you were taking it, stop and speak to the doctor who prescribed it and to your obstetrician straight away.
Once your obstetrician agrees, a short list of topicals is generally used: azelaic acid, topical clindamycin, and benzoyl peroxide or low-strength glycolic acid on limited areas, on top of a simple routine and daily sunscreen. For severe acne, an oral antibiotic from a group considered compatible with pregnancy may be chosen with your obstetrician. What suits you depends on your trimester and your acne.
Elective lasers, radiofrequency and injectables wait, because they have not been studied for safety in pregnancy. A Hydrafacial may be considered case by case, with the acid step and boosters adjusted or left out. In the meantime, acne is controlled with what your obstetrician agrees to, and any laser or scar work is planned now and carried out after delivery, or once breastfeeding ends.
A few, but you still ask before starting anything. Topical clindamycin, azelaic acid and benzoyl peroxide are generally regarded as compatible when used on small areas and kept off the breast. A short course of some oral antibiotics is a doctor's decision. Isotretinoin, prolonged tetracycline courses and hydroquinone are still avoided, and retinoids, including retinol, usually wait until feeding ends.
They can, as any inflamed acne can, so keeping it calm still matters. Marks darken more easily in pregnancy and several of the usual lightening products are on hold, so sunscreen every day and keeping your hands off the spots matter more than usual. Any marks or early scars are recorded now, and their treatment is planned in order for after the birth.
Several things do not have to wait. The acne can be confirmed and graded, look-alike rashes excluded, and your products checked so anything set aside is stopped and reported to your obstetrician. You leave with a simple routine, one or two topicals once your obstetrician agrees, cyst care and when to call the clinic, and a plan for after delivery. No procedure is booked from it.

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References

  1. Ministry of Health, Singapore
  2. HealthHub, Singapore — public health information
  3. Reynolds RV et al. Journal of the American Academy of Dermatology (2024) — acne vulgaris management guidelines
  4. American Academy of Dermatology Association (2024) — public information on acne treatment during pregnancy
  5. American College of Obstetricians and Gynecologists (2024) — patient FAQ on skin changes in pregnancy
  6. Kong YL, Tey HL. Drugs (2013) — acne treatment in pregnancy and lactation
  7. Chien AL et al. Journal of the American Board of Family Medicine (2016) — acne treatment in pregnancy

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