Blue Hands and Feet in Newborns (Acrocyanosis)
Medically reviewed by Dr. Michael Okonkwo, MD, FAAP · Board-Certified Neonatologist
Content reviewed against published AAP, NIH guidelines
Last reviewed:
If your baby has been diagnosed with or you suspect blue hands and feet in newborns (acrocyanosis), here is what the evidence says.
The short answer
Blue or purple hands and feet in a newborn (acrocyanosis) is very common and almost always normal in the first few days of life. It happens because your baby's circulation is still maturing and blood flow to the extremities is adjusting to life outside the womb.
Key takeaways
- Blue or purple hands and feet in a newborn (acrocyanosis) is very common and almost always normal in the first few days of life. It happens because your baby's circulation is still maturing and blood flow to the extremities is adjusting to life outside the womb.
- Usually normal when: Blue or purple hands and feet in the first 48 hours of life with a pink body, lips, and tongue
- Call your doctor if: Blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation
- Varies by age — see the age-by-age breakdown below
“Fever itself is not an illness — rather, it is a sign or symptom that the body is fighting an infection. Fever stimulates certain defenses, such as the white blood cells, which attack and destroy invading bacteria.”
Parents everywhere have the same worry. You are doing the right thing by looking into it.
What Parents Should Know
According to AAP, NIH guidelines, blue or purple hands and feet in a newborn (acrocyanosis) is very common and almost always normal in the first few days of life. It happens because your baby's circulation is still maturing and blood flow to the extremities is adjusting to life outside the womb. At 0-1 month, acrocyanosis is extremely common in the first 24-48 hours after birth and can recur during the first few weeks, especially when your baby is cold, crying, or feeding. The hands and feet may appear blue or purple while the rest of the body remains pink and well-perfused. This is a normal transitional finding as your newborn's circulatory system adapts to breathing air. It is not a sign of heart or lung problems when limited to the hands and feet. It is generally considered normal when blue or purple hands and feet in the first 48 hours of life with a pink body, lips, and tongue. However, you should contact your pediatrician promptly if blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation.
Normal vs. Concerning
By Age
What to expect by age
0-1 month
Acrocyanosis is extremely common in the first 24-48 hours after birth and can recur during the first few weeks, especially when your baby is cold, crying, or feeding. The hands and feet may appear blue or purple while the rest of the body remains pink and well-perfused. This is a normal transitional finding as your newborn's circulatory system adapts to breathing air. It is not a sign of heart or lung problems when limited to the hands and feet.
1-3 months
By this age, acrocyanosis becomes much less frequent. You may still occasionally notice blue or mottled hands and feet when your baby is cold or during a bath, but it should resolve quickly with warming. If blueness of the hands and feet persists beyond the newborn period or occurs along with blue lips, tongue, or central body, it warrants medical evaluation.
3-6 months
Acrocyanosis should be rare by this age. Your baby's circulation has matured significantly. Occasional mottling when cold is still possible but should resolve quickly. Persistent or new-onset blue discoloration of the extremities at this age should be discussed with your pediatrician.
6-12 months
Blue hands and feet should not be a regular occurrence at this age. If you notice consistent or new blueness of the extremities, it may warrant evaluation for circulatory or cardiac concerns. Brief episodes related to cold exposure are still generally normal.
What to Tell Your Pediatrician
- Describe when you first noticed blue hands and feet in newborns (acrocyanosis) and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if acrocyanosis persists beyond the first week of life or seems to be getting more frequent.
- Mention if blue hands and feet that take a long time to return to pink after warming.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Blue or purple hands and feet in the first 48 hours of life with a pink body, lips, and tongue
- Blueness of hands and feet that comes and goes, especially when baby is cold or crying
- Quick return to pink color when baby is warmed or calmed
- Baby is otherwise feeding well, alert, and breathing normally
- Acrocyanosis persists beyond the first week of life or seems to be getting more frequent
- Blue hands and feet that take a long time to return to pink after warming
- You notice mottling or blueness spreading beyond the hands and feet
- Blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation
- Baby appears lethargic, has difficulty breathing, is feeding poorly, or seems unwell along with blue extremities
What You Can Do at Home
- Keep track of when you notice blue hands and feet in newborns (acrocyanosis) — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that blue or purple hands and feet in the first 48 hours of life with a pink body, lips, and tongue — this is generally within the range of normal.
- At 0-1 month, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Follow any care instructions from your pediatrician. Keep a written log of symptoms to bring to appointments.
- While monitoring at home, seek immediate care if blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation.
Related Conditions
My Baby Turns Blue (Cyanosis)
Blue or purple discoloration limited to a baby's hands and feet (acrocyanosis) is very common in newborns and usually harmless, caused by immature circulation. However, blue coloring of the lips, tongue, face, or trunk (central cyanosis) is always a medical emergency that requires immediate evaluation, as it may indicate a heart or lung problem.
Baby Has Blue Lips or Blue Skin (Cyanosis)
Blue coloring of the lips, face, or body (cyanosis) in a baby can be a sign of low oxygen and should always be taken seriously. However, there are also harmless causes: acrocyanosis (bluish hands and feet in newborns due to immature circulation) is very common and normal in the first 48 hours of life, and brief blueness of the hands and feet in cold environments is generally normal in young babies. The critical distinction is WHERE the blue coloring appears: blue hands and feet alone are usually benign, while blue lips, tongue, or face (central cyanosis) is potentially serious and needs immediate medical evaluation.
Mottled or Marbled Skin in Newborns (Cutis Marmorata)
Mottled or marbled-looking skin (cutis marmorata) is very common in newborns and young babies. It appears as a lacy, bluish-red pattern on the skin and typically occurs when your baby is cold or during temperature changes. It is almost always a normal, harmless finding that resolves as your baby grows.
Related Resources
Frequently asked questions
Is blue hands and feet in newborns (acrocyanosis) normal?
When should I call the doctor about blue hands and feet in newborns (acrocyanosis)?
When is blue hands and feet in newborns (acrocyanosis) normal?
What causes blue hands and feet in newborns (acrocyanosis)?
What should I mention to my pediatrician about blue hands and feet in newborns (acrocyanosis)?
Is blue hands and feet in newborns (acrocyanosis) normal at 0-1 month?
Is blue hands and feet in newborns (acrocyanosis) normal at 1-3 months?
Should I go to the ER for blue hands and feet in newborns (acrocyanosis)?
Does blue hands and feet in newborns (acrocyanosis) go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Blue Hands and Feet in Newborns (Acrocyanosis).
Things to mention
- Describe when you first noticed blue hands and feet in newborns (acrocyanosis) and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if acrocyanosis persists beyond the first week of life or seems to be getting more frequent.
- Mention if blue hands and feet that take a long time to return to pink after warming.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Acrocyanosis persists beyond the first week of life or seems to be getting more frequent
- Blue hands and feet that take a long time to return to pink after warming
- You notice mottling or blueness spreading beyond the hands and feet
Urgent signs to report immediately
- Blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation
- Baby appears lethargic, has difficulty breathing, is feeding poorly, or seems unwell along with blue extremities
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members
Related Resources
Bottom line
Most cases of blue hands and feet in newborns (acrocyanosis) are normal. Talk to your pediatrician if blue or purple color of the lips, tongue, gums, or central body (central cyanosis), which may indicate a heart or lung problem requiring immediate evaluation.
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
Was this page helpful?
Related Medical Concerns
My Baby Turns Blue (Cyanosis)
Blue or purple discoloration limited to a baby's hands and feet (acrocyanosis) is very common in newborns and usually harmless, caused by immature circulation. However, blue coloring of the lips, tongue, face, or trunk (central cyanosis) is always a medical emergency that requires immediate evaluation, as it may indicate a heart or lung problem.
Baby Has Blue Lips or Blue Skin (Cyanosis)
Blue coloring of the lips, face, or body (cyanosis) in a baby can be a sign of low oxygen and should always be taken seriously. However, there are also harmless causes: acrocyanosis (bluish hands and feet in newborns due to immature circulation) is very common and normal in the first 48 hours of life, and brief blueness of the hands and feet in cold environments is generally normal in young babies. The critical distinction is WHERE the blue coloring appears: blue hands and feet alone are usually benign, while blue lips, tongue, or face (central cyanosis) is potentially serious and needs immediate medical evaluation.
Mottled or Marbled Skin in Newborns (Cutis Marmorata)
Mottled or marbled-looking skin (cutis marmorata) is very common in newborns and young babies. It appears as a lacy, bluish-red pattern on the skin and typically occurs when your baby is cold or during temperature changes. It is almost always a normal, harmless finding that resolves as your baby grows.
My Baby's Head Shape Looks Abnormal
Many babies develop temporary head shape irregularities that are completely normal. A cone-shaped head from vaginal delivery reshapes within days. Mild positional flattening (plagiocephaly) from sleeping on the back is very common and usually improves with repositioning and tummy time. However, head shape changes involving ridges, a persistently bulging fontanelle, or rapid head growth changes should be evaluated to rule out craniosynostosis.
Achondroplasia (Dwarfism) in Babies
Achondroplasia is the most common form of short-limbed dwarfism, affecting about 1 in 15,000 to 40,000 births. It is caused by a mutation in the FGFR3 gene and is usually apparent at birth with characteristic features including short limbs, a larger head, and a prominent forehead. Intelligence is normal. With monitoring for specific complications and supportive care, children with achondroplasia lead full, active, and independent lives.
Adenoid Hypertrophy and Breathing
Adenoids are lymphoid tissue located behind the nose that help fight infection in young children. When adenoids become enlarged (adenoid hypertrophy), they can block the nasal airway, causing chronic mouth breathing, snoring, nasal speech, and sleep-disordered breathing. Enlarged adenoids are most common between ages 2-7 and are a leading cause of obstructive sleep apnea in young children. Treatment ranges from watchful waiting and nasal steroids to surgical removal (adenoidectomy) if breathing or sleep is significantly affected.