Common Baby Concerns
Our concern guides cover over 2,500 common baby health questions with age-specific information, action tiers (normal, mention at next visit, call now), and source citations from the AAP, CDC, and WHO.
2705+ evidence-based guides for the questions parents search at 2am. Each tells you what's normal, what to watch, and when to call your doctor.
Congenital Hypothyroidism in Babies
Congenital hypothyroidism occurs when a baby is born with an underactive or absent thyroid gland, affecting about 1 in 2,000 to 4,000 newborns. Thanks to universal newborn screening, most cases are detected within days of birth before symptoms develop. When treated promptly with daily thyroid hormone medication, children develop normally with no intellectual impairment.
Congenital Lobar Emphysema (Overinflation) in Babies
Congenital lobar emphysema (also called congenital lobar overinflation) is a condition in which one lobe of the lung becomes progressively hyperinflated, trapping air and compressing the surrounding normal lung tissue. It usually presents in the first 6 months of life with tachypnea (rapid breathing), wheezing, and respiratory distress. The upper lobes are most commonly affected. Mild cases may be observed, while severe cases require surgical removal of the affected lobe (lobectomy).
Congenital Pulmonary Airway Malformation (CPAM)
Congenital pulmonary airway malformation (CPAM, formerly called CCAM) is an abnormal mass of lung tissue that forms during fetal development. It can be cystic (fluid-filled) or solid. Many are found on prenatal ultrasound. Some cause respiratory distress at birth, while others are asymptomatic. Surgical removal is usually recommended even for asymptomatic cases due to the risk of recurrent infections and a small risk of malignancy.
Congenital Syphilis: Understanding the Rising Rates
Congenital syphilis, transmitted from mother to baby during pregnancy, has been rising alarmingly in recent years. The CDC reported a tenfold increase in US cases between 2012 and 2022. Congenital syphilis is almost entirely preventable with early prenatal screening and penicillin treatment during pregnancy. Untreated syphilis can cause miscarriage, stillbirth, and severe complications in newborns including bone abnormalities, liver disease, and neurological damage. Screening in pregnancy is essential.
Baby Constipation
Constipation in babies is defined by hard, dry, difficult-to-pass stools rather than by how often your baby poops. Breastfed babies can go several days without a bowel movement and still be perfectly normal. If your baby is passing soft stools comfortably, even if infrequently, they are likely not constipated.
Common Causes of Constipation in Babies
Constipation in babies is defined by hard, difficult-to-pass stools rather than infrequent pooping. Common causes include the introduction of solid foods, switching from breast milk to formula, insufficient fluid intake, and certain foods like bananas, rice cereal, and dairy. True constipation is uncommon in exclusively breastfed babies. Most cases of infant constipation are easily resolved with dietary adjustments.
Constipation from Medication in Babies and Toddlers
Several common baby and toddler medications can cause constipation as a side effect. Iron supplements and iron-fortified formulas are the most frequent culprits, but antacids, certain antibiotics, and some other medications can also slow digestion. Medication-related constipation is usually manageable with dietary adjustments and does not mean you need to stop the medication. Talk to your pediatrician before changing or stopping any prescribed medication.
Constitutional Growth Delay
Constitutional growth delay (CGD) is a pattern where a child grows at a slower rate during infancy and early childhood but eventually catches up, reaching a normal adult height. These children are often called "late bloomers." Their growth rate typically slows during the first 2-3 years, causing them to fall to a lower percentile, but then continues at a normal rate along that lower curve before experiencing a later-than-average growth spurt. It is a variation of normal growth, not a disease, and often runs in families where a parent was also a late bloomer.
Contact Dermatitis in Babies and Toddlers
Contact dermatitis is a skin reaction that occurs when your baby's skin comes into direct contact with an irritating substance or an allergen. It shows up as a red, itchy rash in the exact area where the substance touched the skin. Common culprits include fragranced soaps, new laundry detergents, wet wipes with alcohol, sunscreen, metals (like nickel snaps on clothing), and certain fabrics. Removing the irritant and using gentle skin care usually resolves it within 1-2 weeks.
Container Baby Syndrome: Too Much Time in Car Seats and Bouncers
Container baby syndrome refers to developmental delays and physical problems that can occur when infants spend too much time in "containers" -- car seats, bouncers, swings, strollers, and other restrictive devices. While these items are useful, excessive use limits the free movement babies need for motor development and can contribute to flat head (positional plagiocephaly), torticollis, and delayed milestones. Babies need supervised floor time and tummy time every day.
Co-Parenting with Different Styles
It is completely normal for co-parents to have different parenting styles — most couples do. Children can adapt to different approaches from different caregivers as long as the core values are aligned and neither parent is undermining the other. Research shows that ongoing parental conflict about parenting is more harmful to children than having parents with different styles. Finding common ground on key issues (safety, basic discipline, sleep, feeding) while allowing flexibility on details is the healthiest approach.
Cord Blood Banking Questions
Cord blood contains stem cells that can be used to treat certain blood disorders and cancers. You can donate cord blood to a public bank (free, available to anyone in need) or store it in a private bank (paid, reserved for your family). ACOG recommends public donation over private banking for most families, as the chance of a child needing their own stored cord blood is very small.
Cornelia de Lange Syndrome (CdLS) in Babies
Cornelia de Lange syndrome (CdLS) is a rare genetic developmental disorder affecting about 1 in 10,000 to 30,000 newborns, most often caused by mutations in the NIPBL gene (about 60% of cases) or related cohesin complex genes. It is characterized by distinctive facial features (arched eyebrows that often meet in the middle, long eyelashes, small upturned nose, thin downturned lips), growth restriction, limb anomalies ranging from small hands to missing forearms, and intellectual disability of variable severity. The condition has a wide spectrum, and individuals with milder forms may not be diagnosed until later in childhood.
Cortical Visual Impairment (CVI) in Babies
Cortical visual impairment (CVI) is the most common cause of visual impairment in children in developed countries. Unlike eye-based vision problems, CVI is caused by damage or differences in the brain's visual processing areas, often related to prematurity, hypoxic-ischemic encephalopathy (birth asphyxia), or other neurological conditions. A hallmark of CVI is variable visual ability -- your baby may seem to see well sometimes and poorly other times. With appropriate early intervention and visual stimulation strategies, many children with CVI show significant improvement in functional vision over time.
Co-Sleeping and Family Bed: Safety Risks
The AAP recommends room-sharing (baby in their own sleep space in the parents' room) but advises against bed-sharing (baby sleeping in the same bed as parents) due to increased risks of SIDS, suffocation, and entrapment. Bed-sharing risks are highest for babies under 4 months, premature babies, and when combined with soft bedding, alcohol, smoking, or sedating medications. If you choose to bed-share, understanding the specific risk factors can help you make the safest possible choice.
Co-Sleeping Safety - Risks and Guidelines
The AAP recommends room-sharing (baby sleeps on their own surface in the same room) but not bed-sharing for the first year. Bed-sharing increases the risk of SIDS and suffocation, especially in the first 4 months, with premature babies, when parents smoke, drink, or take sedating medications, and on soft surfaces. Many families do end up bed-sharing at some point - if you choose to or find yourself doing so, knowing the risk factors and how to reduce them is important for your baby's safety.
Co-sleeping to Crib Transition
Transitioning from co-sleeping to a crib is a common journey that many families navigate. Whether you are moving your baby for safety, sleep quality, or personal reasons, a gradual approach tends to work best. Most babies adjust within 1-3 weeks with patience and consistency, though some take a bit longer.
COVID-19 Vaccine Recommendations for Infants: Updates
COVID-19 vaccines have been authorized for children as young as 6 months. Recommendations are updated regularly as new variants emerge and new vaccine formulations are developed. The CDC and AAP recommend that all eligible children receive the most current COVID-19 vaccine to help protect against severe illness and hospitalization. The vaccine schedule for young children may differ from adults. Always consult your pediatrician for the most current guidance.
COVID Vaccination During Pregnancy
COVID-19 vaccination is recommended during pregnancy by ACOG, CDC, and other major health organizations. COVID-19 infection during pregnancy significantly increases the risk of severe illness, ICU admission, preterm birth, and stillbirth. The mRNA vaccines (Pfizer, Moderna) have been extensively studied in pregnant people and shown to be safe and effective.
What Are the Best Cow's Milk Alternatives for My Child?
Cow's milk alternatives vary significantly in nutritional content. Whole cow's milk is recommended from age 12 months for its protein, fat, calcium, and vitamin D. If your child cannot have cow's milk, fortified soy milk is the closest nutritional match. Other alternatives like oat, almond, coconut, and rice milk are lower in protein and fat and may not meet a toddler's nutritional needs without careful dietary planning. Always choose unsweetened, fortified versions and discuss with your pediatrician.
Cow's Milk Protein Allergy vs. Reflux in Babies
Cow's milk protein allergy (CMPA) and gastroesophageal reflux (GER) can look very similar in babies, with shared symptoms like fussiness, spitting up, and feeding difficulties. CMPA affects about 2-3% of infants and involves an immune response to cow's milk proteins in formula or passed through breast milk. Key distinguishing features of CMPA include blood or mucus in stool, eczema, and symptoms that improve with dairy elimination. Proper diagnosis matters because treatments differ significantly.
Cow's Milk Transition Issues at 12 Months
The transition to whole cow's milk at 12 months is a big change for your baby's digestive system. It is normal for some babies to experience mild digestive adjustment like loose stools or slight constipation for the first week or two. A gradual transition - mixing increasing amounts of milk with formula or breast milk - can help your baby's system adapt smoothly.
Cradle Cap (Seborrheic Dermatitis)
Cradle cap is a very common, harmless condition that causes yellowish, greasy, scaly patches on your baby's scalp. It is not caused by poor hygiene, it does not bother your baby, and it almost always clears up on its own within the first several months of life.
Treating Cradle Cap with Spoolie Brushes and Coconut Oil
Using a soft brush (like a spoolie or soft-bristled baby brush) and gentle oil to loosen cradle cap flakes is a commonly shared home remedy. While gentle brushing and oil massage can help manage mild cradle cap, aggressive scraping or picking at scales can damage your baby's delicate scalp skin and cause infection. Coconut oil is generally considered safe in small amounts, but some babies may be sensitive to it. Cradle cap is harmless and usually resolves on its own.
Showing 1081-1104 of 2705 concerns
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