Neonatal Abstinence Syndrome Treatment: How It Works, Results and What to Expect

Neonatal abstinence syndrome treatment helps newborns safely manage withdrawal after exposure to certain substances during pregnancy. Care usually begins with supportive, family-centred measures; some babies also need carefully monitored medication and a gradual weaning plan.

Overview: how neonatal abstinence syndrome treatment works

Neonatal abstinence syndrome treatment supports a baby who develops withdrawal symptoms after exposure to certain substances during pregnancy, most commonly opioids. Treatment works by reducing stress on the newborn, helping the baby feed and sleep effectively, monitoring for complications, and using medication when non-medicine measures are not enough.

Health professionals may also use the term neonatal opioid withdrawal syndrome (NOWS) when opioid exposure is the cause. Symptoms can include irritability, a high-pitched cry, tremors, poor sleep, feeding difficulties, vomiting, loose stools, sweating and fast breathing. Not every exposed baby develops significant withdrawal, and symptom severity cannot be predicted from exposure alone.

Care is individualized. A neonatal team considers the substances involved, the timing of exposure, the baby’s gestational age, medical needs, feeding pattern and day-to-day functioning. The goal is not simply to reduce a score or symptom count, but to help the baby eat, sleep, be comforted and grow safely.

Who may need treatment and how babies are assessed

Babies may be observed for NAS when there is known or suspected exposure during pregnancy to opioids, including prescribed opioid medicines, medication for opioid use disorder, or non-prescribed opioids. Withdrawal-like symptoms may also occur after exposure to some other medicines, such as certain antidepressants or sedatives, although management can differ.

Observation begins after birth and may continue for several days because symptoms do not always appear immediately. The timing depends on the substance involved, whether more than one substance was used, and the baby’s individual metabolism. The care team will ask about prenatal medicines and health history in a nonjudgmental way to plan the safest care for both parent and baby.

Assessment includes regular checks of feeding, sleep, consolability, weight, hydration, temperature, breathing and general health. Some hospitals use structured scoring systems; others use function-based assessments that focus on whether the baby can eat enough, sleep for an appropriate period and settle with usual comforting measures. Clinicians also evaluate for medical conditions that can resemble withdrawal, including infection, low blood sugar or gastrointestinal problems.

Step by step: what happens during treatment

The first step is usually supportive care in a calm setting. Whenever safe and feasible, parents or caregivers are encouraged to stay close to the baby, participate in care and learn soothing techniques. Skin-to-skin contact, gentle holding, swaddling, rocking, a quiet dimly lit room and avoiding unnecessary disturbance can reduce symptoms and help regulation.

Feeding is reviewed closely. Some babies need smaller, more frequent feeds because withdrawal can make coordinated feeding difficult or increase calorie needs. A lactation consultant or feeding specialist may help determine whether breastfeeding or expressed milk is appropriate. Breastfeeding can be beneficial in many circumstances, but the decision should be made with the maternity, newborn and substance-use care teams, particularly if there is ongoing non-prescribed substance use or another medical concern.

If the baby cannot feed, sleep or settle adequately despite optimized supportive care, clinicians may recommend medicine. For opioid withdrawal, an oral opioid medicine is commonly used and then reduced gradually as symptoms improve. In selected situations, another medicine may be added, especially with more complex exposure or persistent symptoms. Medication is prescribed and adjusted by experienced neonatal clinicians, with close monitoring for excessive sleepiness, feeding problems and breathing changes.

Treatment plans also address the parent’s health and practical needs. This can include obstetric follow-up, mental health support, treatment for substance use disorder, social work assistance and safe discharge planning. Supporting the family is an important part of supporting the newborn.

Benefits, limitations and possible risks of treatment

The main benefits of neonatal abstinence syndrome treatment are improved comfort, safer feeding, better sleep, appropriate weight gain and prevention of complications related to dehydration or poor nutrition. Family-centred non-medication care may reduce the need for medication and can strengthen caregiver confidence before discharge.

Medication can be helpful when withdrawal significantly disrupts the baby’s function. It is not a punishment or a sign that a parent has failed; it is a carefully supervised medical tool used to stabilize symptoms and allow gradual withdrawal. The medicine is reduced slowly to avoid triggering further distress.

All treatments require monitoring. Medicines used for NAS can cause excessive drowsiness, slower feeding or, rarely, breathing concerns, which is why babies are assessed frequently in hospital. A longer hospital stay can also be stressful for families. The care team balances these considerations against the risks of untreated severe withdrawal, such as inadequate feeding, poor growth or dehydration.

Parents should tell clinicians about all medicines, supplements and substances used during pregnancy, including prescribed treatments. Accurate information helps the team avoid assumptions, recognize possible withdrawal patterns and provide appropriate care for the baby.

Recovery timeline and discharge planning

Recovery does not follow one fixed timeline. Symptoms may begin within the first few days of life, but the timing and duration depend on the substance exposure, whether multiple substances were involved, the baby’s health and whether medication is needed. Babies who remain comfortable with supportive care may go home sooner than those requiring a medication wean.

Before discharge, the newborn team confirms that the baby is feeding effectively, gaining or maintaining weight appropriately, sleeping and settling adequately, and has no medical issue requiring inpatient monitoring. Families are taught safe sleep practices, soothing and feeding strategies, how to recognize dehydration or illness, and when to contact a healthcare professional.

Follow-up usually includes the baby’s primary care clinician shortly after discharge. Some babies may also be referred for developmental monitoring, early-intervention services, feeding support or specialist care based on their individual needs. Follow-up is intended to identify concerns early and support healthy development rather than to assume a problem will occur.

Acibadem International’s multidisciplinary specialists and JCI-accredited hospitals can assess and treat newborn conditions, coordinating neonatal care with obstetric, paediatric and family support services for international patients.

How long does NAS last in babies?

NAS can last from several days to several weeks, and occasionally longer in babies who need medication to manage withdrawal. The duration varies because different substances leave the body at different rates, and each baby responds differently to prenatal exposure and supportive care.

Symptoms often become most noticeable during the first days after birth, but some exposures can lead to later onset. When medication is used, the treatment period includes stabilization followed by gradual dose reductions. The newborn team will explain the expected observation period and adjust it according to the baby’s feeding, sleep, comfort and overall health.

After discharge, some babies may remain more sensitive to stimulation or have temporary feeding and settling challenges. Parents should follow the discharge plan and attend scheduled check-ups so the care team can monitor growth and development.

What is the prognosis for babies with neonatal abstinence syndrome?

With appropriate medical care, most babies with NAS improve and can leave hospital once they are feeding, sleeping and growing safely. The immediate outlook is generally good when symptoms are recognized promptly and managed by an experienced newborn care team.

Long-term outcomes are influenced by many factors beyond withdrawal itself, including premature birth, other prenatal exposures, access to consistent healthcare, nutrition, caregiver support and the home environment. This is why follow-up care and early developmental support, when indicated, are valuable parts of the overall plan.

Families should avoid comparing one baby’s course with another’s. A paediatric clinician can discuss the child’s individual outlook and recommend developmental screening at routine visits. Early identification of feeding, growth, hearing, vision or developmental concerns allows timely support.

How is neonatal abstinence syndrome treated medically?

Medical treatment begins with careful observation and non-medication measures, including responsive comforting, rooming-in when possible, feeding support and reduced stimulation. These measures are considered active treatment, not simply observation, because they can substantially improve a newborn’s ability to settle, sleep and feed.

If symptoms continue to impair basic functioning, clinicians may prescribe an oral opioid medicine for opioid-related withdrawal. The dose is individualized, monitored closely and reduced gradually once the baby is stable. In more complex cases, especially when symptoms remain difficult to control or exposure involved several substances, clinicians may consider additional medicines.

Medical treatment also includes managing related concerns, such as dehydration, weight loss, diaper rash, feeding difficulty or respiratory symptoms. Babies are monitored for alternative or coexisting illnesses because not all crying, tremors or feeding problems are caused by withdrawal.

What are the long-term effects of fetal drug syndrome?

“Fetal drug syndrome” is not a precise medical diagnosis and may be used to describe different types of prenatal substance exposure. The possible long-term effects depend on the substance or medicines involved, timing and amount of exposure, pregnancy complications, prematurity, genetics and the child’s ongoing environment.

Some children with prenatal substance exposure may have higher needs related to growth, behavior, attention, learning, sleep or development. However, an individual child’s future cannot be determined from exposure alone. Stable caregiving, regular paediatric visits, developmental screening and access to early-intervention services can make an important difference.

It is important to distinguish prenatal opioid exposure from fetal alcohol spectrum disorders, which have different causes and patterns of effects. Families with concerns should speak with a paediatrician rather than relying on broad labels, as an individualized assessment is more useful and respectful.

When to seek medical care

Parents should seek urgent medical care for a newborn who has trouble breathing, blue or grey lips or skin, unusual limpness, repeated vomiting, signs of dehydration such as markedly fewer wet diapers, a fever, or difficulty waking for feeds. A newborn with poor feeding, weight concerns, persistent inconsolable crying or worsening tremors should also be assessed promptly.

During pregnancy, anyone taking opioids, medicines for opioid use disorder, sedatives, antidepressants or other long-term medicines should not stop treatment suddenly without medical advice. Stopping certain medicines abruptly can be unsafe for both the pregnant person and fetus. A maternity clinician can help plan safe treatment, delivery and newborn observation.

After discharge, families should contact the baby’s clinician if feeding becomes difficult, the baby seems increasingly unsettled, wet diapers decrease, or caregivers are worried for any reason. Routine follow-up offers an opportunity to review recovery, growth and developmental progress in a supportive setting.

Frequently asked questions

Can neonatal abstinence syndrome be prevented?

The risk can often be reduced through early prenatal care and coordinated treatment for substance use disorder or chronic medical conditions. Pregnant people should not stop prescribed medicines suddenly; a clinician can help create a safer plan for pregnancy and delivery.

Do all babies exposed to opioids during pregnancy develop NAS?

No. Some exposed babies have no withdrawal symptoms or only mild symptoms that respond to supportive care. The chance and severity of NAS depend on several factors, including the type of opioid, timing of exposure and other health factors.

Can a parent stay with a baby receiving NAS treatment?

Many hospitals encourage rooming-in and caregiver participation when medically appropriate. Consistent comforting, feeding and skin-to-skin contact can support the baby’s regulation and help parents prepare for care at home.

Is breastfeeding possible if a baby has NAS?

Breastfeeding may be possible and beneficial for many parents receiving stable, prescribed treatment, including medication for opioid use disorder. The maternity and newborn teams should assess each situation individually, particularly if there is ongoing non-prescribed substance use or another safety concern.

Will a baby need medication for NAS after leaving hospital?

Most babies complete medication treatment before discharge. The discharge plan is individualized, and the newborn team will only recommend home care when feeding, sleep, weight and safety needs can be managed appropriately.

What follow-up does a baby need after NAS treatment?

Babies need routine paediatric care, including growth checks and developmental screening. Depending on individual needs, clinicians may recommend early-intervention services, feeding support or follow-up with a developmental specialist.

References

• American Academy of Pediatrics
• Centers for Disease Control and Prevention
• National Institute on Drug Abuse
• World Health Organization
• March of Dimes

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.