Unfortunately, newborns do not handle problems with fluids, salt balance, and blood sugar well. When things go wrong, babies can get very sick, very fast. Among the most serious concerns are issues with severe dehydration and dangerously low blood sugar, both of which can cause permanent injury or even death.
Hypernatremic Dehydration of the Newborn
A baby can become dehydrated when its sodium levels get too high. This can be caused by the baby not taking in enough breastmilk or formula. It can also be caused by losing too much fluid.
Common symptoms of hypernatremic dehydration include: poor feeding habits (such as a weak latch or suck, refusal to feed, or short feeding times); too few wet diapers; sleepiness; high-pitched cry or irritability; seizures; dry mouth/lips.
Those symptoms can be caused by breastfeeding difficulties, an inadequate feeding plan after discharge, too much weight loss, and vomiting/diarrhea.
Problems can be made worse by medical staff who discharge the baby without a proper feeding assessment or feeding plan. Staff may also ignore or miss signs of extreme weight loss or poor feeding. Delaying lab work when dehydration is suspected can also lead to serious injuries.
Injuries caused by hypernatremic dehydration can have life-altering consequences. Along with seizures, babies may experience bleeding in or around the brain, kidney injury, brain swelling, shock, organ failure, and death.
Hypoglycemic encephalopathy
Symptoms of hypoglycemic encephalopathy may not present right away, but when the baby has low blood glucose, a major injury can occur. Those injuries may involve brain dysfunction, which can lead to developmental issues and other lifelong complications.
Symptoms of hypoglycemic encephalopathy include tremors, poor feeding, weak suck, abnormal breathing, and seizures. Those problems can be caused by being premature, the mother having diabetes, the baby being too small or too large for its gestational age (SGA/LGA), feeding delays, and infection/sepsis.
Medical staff may make the situation worse by failing to screen babies who are at risk for SGA/LGA, delayed response to the early symptoms, poor communication, and failing to re-check glucose and stabilize levels promptly when lower readings are found.
Although injuries aren’t typically life-threatening, hypoglycemic encephalopathy can cause developmental delays that last a lifetime. Victims may also suffer visual impairments, seizures, and epilepsy.
Metabolic & Toxic FAQ’s
How low does blood sugar have to be to cause harm?
There is no single number that guarantees injury, but many experts use a threshold of 45–47 mg/dL as a concern. The risk of harm increases when blood sugar stays low for extended periods or drops repeatedly. The risk of brain injury is not only determined by that number, but the duration and severity of hypoglycemia as well.
Which newborns are most at risk for hypoglycemia?
Premature babies, those with low or high birth weight, and babies born to mothers with diabetes are at the highest risk. Infants who experience birth stress, infection, or feeding difficulties are also at increased risk. Because of these known risk factors, medical providers are expected to monitor these babies closely after birth to prevent complications.
Can hypoglycemic encephalopathy be prevented?
In many cases, yes. Early feeding, proper monitoring, and quick treatment of low glucose levels can prevent serious injury. Hospitals are expected to follow protocols for screening high-risk newborns and responding quickly to abnormal results. When these steps are taken properly, the risk of long-term harm is significantly reduced. Problems usually arise when there is a delay in recognition or treatment.
How common is hypernatremic dehydration in newborns?
Hypernatremic dehydration is not extremely common, but it is well recognized in medical literature. It is seen more often in breastfed newborns when feeding is not yet well established, particularly in the first week of life. Increased awareness and early follow-up care help reduce the number of severe cases, but they still occur. The biggest concern is that early symptoms can be subtle, so the condition may not be identified until it becomes more serious.
Why is hypernatremic dehydration dangerous?
This condition is dangerous because it affects both fluid balance and electrolyte levels in the body. High sodium levels pull water out of cells, including brain cells, which can lead to seizures, brain injury, and other serious complications. The combination of dehydration and electrolyte imbalance can quickly become life-threatening if not treated properly.
Can hypernatremic dehydration be prevented?
Yes. With proper care and monitoring, hypernatremic dehydration can be prevented. Healthcare staff should ensure the newborn is feeding effectively, track weight changes, and monitor diaper output. Scheduling an early follow-up appointment after discharge and providing access to breastfeeding support can make a significant difference in preventing this condition.
When Should you Call a Metabolic & Toxic Birth Injury Attorney
If your newborn suffered injuries related to hypernatremic dehydration or hypoglycemic encephalopathy, contact the award winning medical malpracitce attorneys at Weisser Law today. Our dedicated team will thoroughly review your records and determine whether medical staff caused or worsened the situation.
When your health and future are at risk, experience matters. The birth injury lawyers at Weisser Law fight relentlessly to restore our clients’ dignity while securing their future. Contact our expert legal team today so you can focus on recovery, and we’ll focus on accountability.