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.

CDCWHOAAP
Feeding

I Feel Guilty About Supplementing with Formula

Supplementing with formula is an appropriate and evidence-based choice that helps ensure your baby is well-nourished. There is no reason to feel guilty about using formula. Any amount of breast milk is beneficial, and formula is a safe, nutritious alternative. The most important thing is that your baby is fed, growing, and thriving. How you feed is far less important than the love and care you provide.

Feeding

Transitioning Between Formula Types

Transitioning between formula types, such as from standard to sensitive, soy, or hypoallergenic, is sometimes necessary when a baby shows signs of intolerance or allergy. Unlike switching brands of the same type, changing formula types addresses a different nutritional or digestive need. Your pediatrician can help determine which type is right for your baby and whether a gradual or immediate switch is best.

Feeding

Is My Baby Getting Enough Formula?

Signs that baby may not be getting enough formula include fewer than 6 wet diapers per day, dark concentrated urine, poor weight gain, lethargy, dry mouth, and persistent hunger cues after feeds. If you are concerned, count wet diapers and discuss with your pediatrician. Most healthy babies regulate their own intake when fed responsively.

Feeding

When Fortified Formula is Needed

Fortified or specialized infant formulas are recommended in specific medical situations, including prematurity, failure to thrive, certain metabolic conditions, and when standard formula or breast milk alone does not provide adequate nutrition. High-calorie formulas (22-30 calories per ounce vs. standard 20 cal/oz) help babies who need extra calories to grow. These formulas should only be used under the direction of a pediatrician or neonatologist, as incorrect preparation or unnecessary use can be harmful.

Medical

Foster Baby with Prenatal Substance Exposure

Babies who were prenatally exposed to substances (opioids, alcohol, stimulants, marijuana, or other drugs) may have a range of immediate and long-term needs. Neonatal abstinence syndrome (NAS) from opioid exposure requires medical management and can cause irritability, feeding difficulty, and tremors. Fetal alcohol spectrum disorders can affect development. However, many prenatally exposed children thrive with appropriate care, early intervention services, and a stable, nurturing environment. Foster parents play a crucial role in these children's outcomes.

Digestive

Baby Poop Smells Really Bad

Baby poop smell changes significantly based on what they eat. Breastfed baby poop usually has a mild, slightly sweet smell, while formula-fed baby poop tends to smell stronger. Once your baby starts solid foods, poop will naturally start to smell more like adult stool. A sudden change to an unusually foul smell, especially with other symptoms, is worth mentioning to your doctor.

Maternal

The Fourth Trimester: Newborn Adjustment and What to Really Expect

The "fourth trimester" refers to the first 12 weeks after birth, a period of enormous adjustment for both baby and parents. The concept, popularized by pediatrician Dr. Harvey Karp, recognizes that human babies are born developmentally immature compared to other mammals and need a womb-like environment to thrive. For parents, this period is often far more challenging than anticipated. A 2020 survey by the Maternal Mental Health Alliance found that 90% of new mothers felt unprepared for the reality of the postpartum period. Normal fourth-trimester experiences include: sleep deprivation (parents lose an average of 44 days of sleep in the first year), crying that resists all soothing, feeding around the clock every 2-3 hours, feeling disconnected from your pre-baby identity, relationship strain with your partner, and questioning whether you are cut out for parenthood. These feelings are not signs of failure. They are the near-universal reality of the transition to parenthood.

Feeding

FPIES Diagnosis and Management

Food Protein-Induced Enterocolitis Syndrome (FPIES) is a non-IgE mediated food allergy that causes severe vomiting, often with diarrhea, typically 2-4 hours after eating a trigger food. Common triggers include milk, soy, rice, oats, and other grains. Unlike typical food allergies, FPIES does not cause hives or swelling but can cause dehydration and lethargy. Standard allergy tests are often negative, and diagnosis is based on the pattern of symptoms.

Feeding

FPIES: Food Protein-Induced Enterocolitis

FPIES (Food Protein-Induced Enterocolitis Syndrome) is a rare, serious food allergy that causes delayed vomiting and diarrhea, typically 2-4 hours after eating a trigger food. Unlike typical food allergies, it does not cause hives or immediate reactions, and standard allergy tests are usually negative. Common triggers include rice, oats, dairy, and soy. If your baby has severe vomiting episodes that seem connected to specific foods, contact your pediatrician for evaluation.

Feeding

My Baby Had a Severe Vomiting Reaction to Grains (FPIES)

Food Protein-Induced Enterocolitis Syndrome (FPIES) to grains causes severe, repeated vomiting typically 2-4 hours after eating the trigger food. Your baby may become pale, limp, and lethargic. Rice is the most common solid food trigger, followed by oats and barley. While the episodes are frightening, FPIES is manageable by avoiding trigger foods, and most children outgrow it by age 3-5.

Medical

Fragile X Syndrome Signs in Babies

Fragile X syndrome is the most common inherited cause of intellectual disability and the most common known single-gene cause of autism spectrum disorder, affecting about 1 in 4,000 males and 1 in 6,000 to 8,000 females. It is caused by a mutation in the FMR1 gene on the X chromosome. Signs in infancy are often subtle, but with early identification and intervention, children with Fragile X can make significant developmental progress.

Behavior

Free-Range Parenting Safety Balance

Free-range parenting emphasizes giving children age-appropriate independence to explore, take risks, and build confidence. Research supports the benefits of unstructured play and moderate risk-taking for child development. The challenge is finding the right balance between fostering independence and ensuring safety. For babies and toddlers, "free-range" means allowing exploration within supervised, safe environments — not unsupervised independence, which is not appropriate until children are significantly older.

Medical

Baby Getting Sick Frequently (Frequent Colds)

It is completely normal for babies and toddlers to get 8-12 colds per year, and even more if they attend daycare. Their immune systems are encountering common viruses for the first time and building immunity. While it can feel alarming, frequent colds are actually a sign of a healthy immune system learning and responding.

Physical

My Toddler Falls Down a Lot

Falling is a completely normal part of learning to walk and run, and most toddlers fall frequently in the first 6 months after they start walking. A new walker may fall dozens of times per day and that's expected. Falling typically decreases significantly by around 18-24 months of walking experience. It only becomes a concern if falling increases over time rather than decreasing, or if it seems out of proportion compared to peers.

Sleep

Baby Waking Up Frequently at Night

Frequent night waking is one of the most exhausting parts of early parenthood, but it is also one of the most common and usually the most normal. Babies cycle through light and deep sleep every 40-50 minutes, and briefly surfacing between cycles is biologically built in. The key question is whether your baby can resettle or needs significant help each time.

Digestive

Baby Pooping Too Frequently

In the first weeks of life, it is perfectly normal for babies to poop after every feeding, sometimes 8-12 times per day. This is especially common in breastfed babies and is actually a reassuring sign that they are getting enough milk. The frequency typically decreases naturally over the first few months.

Digestive

Functional Constipation in Infants: Updated Guidelines

Functional constipation in infants is defined by the Rome IV criteria as two or more of the following for at least one month: two or fewer bowel movements per week, excessive stool retention, painful or hard bowel movements, large diameter stools, or a large fecal mass in the rectum. Updated guidelines emphasize that functional constipation is common, affecting up to 30% of children, and that early, appropriate treatment prevents complications. Treatment focuses on adequate fluid intake, dietary fiber, and when needed, osmotic laxatives like polyethylene glycol (PEG 3350).

Skin

Baby Fungal Rash (Ringworm / Tinea)

Despite its name, ringworm has nothing to do with worms -- it is a common, harmless fungal infection of the skin. It appears as a round or oval red patch that may have a raised, scaly border with clearing in the center. It is easily treated with antifungal cream and typically clears within 2-4 weeks.

Medical

Furniture and TV Tip-Over Risks for Babies and Toddlers

Furniture and TV tip-overs are a leading cause of injury and death in young children, with nearly 80% of fatalities involving children under 5. Dressers, bookshelves, and flat-screen TVs can topple when a child climbs, pulls open drawers, or leans on them. Anchoring all tall and heavy furniture to the wall with anti-tip straps is a simple, inexpensive step that can save your child's life.

Medical

My Baby Has G6PD Deficiency — What Do I Need to Avoid?

G6PD (glucose-6-phosphate dehydrogenase) deficiency is the most common enzyme deficiency worldwide, affecting approximately 400 million people. It is an X-linked condition, meaning it primarily affects males. G6PD helps protect red blood cells from damage. When triggered by certain foods, medications, infections, or chemicals, a baby with G6PD deficiency can have a hemolytic episode — their red blood cells break down faster than the body can replace them, causing anemia and jaundice. The key to managing G6PD deficiency is knowing and avoiding triggers. Between episodes, children with G6PD deficiency are completely healthy.

Feeding

Baby Gagging on Solid Food

Gagging when starting solids is a completely normal and important protective reflex. In young babies, the gag reflex is triggered much further forward on the tongue than in adults, which means they gag more easily as they learn to move food around their mouth. Gagging is different from choking: a gagging baby is noisy, may cough or sputter, and resolves on their own. It typically decreases as your baby practices eating over several weeks.

Medical

Galactosemia in Babies

Galactosemia is a rare inherited metabolic disorder where a baby cannot properly process galactose, a sugar found in breast milk and standard formulas. It affects about 1 in 30,000 to 60,000 newborns. Detected through newborn screening, galactosemia requires immediate dietary treatment — switching to a soy-based formula — to prevent serious liver damage, brain injury, and life-threatening illness.

Digestive

Baby Poops During or After Every Feed (Gastrocolic Reflex)

The gastrocolic reflex is a normal physiological response where the stomach stretching from a feeding triggers the colon to contract, often resulting in a bowel movement during or shortly after eating. This reflex is especially strong in newborns and young infants, and it is completely normal for a baby to poop during or after every single feeding. According to the AAP, breastfed newborns may have 8-12 stools per day in the early weeks. The reflex typically becomes less pronounced by 2-3 months of age as the digestive system matures, though some babies continue the pattern longer.

Medical

My Baby Has Gastroschisis

Gastroschisis is a birth defect where the baby's intestines (and sometimes other organs) extend outside the body through a hole in the abdominal wall, usually to the right of the umbilical cord. Unlike omphalocele, there is no protective membrane covering the organs. It is typically detected on prenatal ultrasound around 18-20 weeks. Surgical repair is performed within hours of birth, and the majority of babies do very well after treatment.

Page 55 of 113

Showing 1297-1320 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