Toddler, 2, so pale doctors feared he had leukemia is diagnosed with a cow's MILK overdose — after drinking a liter every day

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A two-year-old who was so pale doctors feared he had blood cancer has finally been given a diagnosis — he was drinking too much cow's milk.

Laura Donovan's son Johnny, from Oregon, was born at the height of the pandemic in 2020 and took a liking to cow's milk from age one.

His mother, not knowing the dangers, allowed him keep drinking. He drank about 30 to 40 ounces of milk a day, a far cry from the recommended 16 to 24 ounces. 

By age two, Johnny was more fatigued, fussy and prone to tantrums than most toddlers his age. He was also very pale, which his mother chalked up to typical cloudy Pacific Northwest weather and their Irish heritage. 

His mother did not connect the dots until Johnny's pediatrician expressed concern over his combination of symptoms and ordered a barrage of blood tests to pinpoint the cause. 

The comprehensive blood panel showed that Johnny’s hemoglobin level hovered between 4.5 and 5.6, far below the normal threshold for a two-year-old of 10.9 to 15.

The doctor feared that low hemoglobin levels pointed to a leukemia diagnosis. But actually, Johnny was severely iron deficient. 

Cow’s milk hinders the body’s ability to absorb iron, leading to exhaustion, pale skin, irritability and fussiness, a fast heartbeat, poor appetite, trouble breathing, and dizziness. 

His pediatrician told Ms Donovan after diagnosing him with an iron deficiency that she feared Johnny could have leukemia or another type of blood cancer. 

Laura Donovan's son Johnny was feared to have a form of blood cancer after his pediatrician observed an abnormally low amount of hemoglobin, a key protein for delivering oxygen to other cells in the body. It turns out, Johnny had a form

 Laura Donovan lived through the culture-shifting Got Milk campaign and grew up believing that milk was the key ingredient to  health development. She didn't realize, though, that too much milk can be a bad thing. 

In an essay published Monday, Ms Donovan said: ‘Sure enough, he was always in a sour mood, never seemed well rested, and had nearly constant meltdowns.

‘I suspected he drank too much milk, which was filling him up, but I didn't realize excessive intake could do so much damage.’

Ms Donovan said her older son James also went through a milk-only phase before outgrowing it. She had no reason to think Johnny's case was different. 

She told DailyMail.com: 'I kind of thought, oh, they know what their body needs. Maybe this will pass but I think that I definitely overdid it.'

Johnny's iron deficiency anemia (IDA) was so severe that he had developed a heart murmur, a whooshing sound heard through a stethoscope when blood flows abnormally over your heart valves.

Milk has been lauded as the go-to source of vitamin D and calcium for children to develop strong bones.

The powerful 1993 Got Milk campaign promoted the nutritional benefits through ads featuring the cast of Friends, Simpsons characters, and the Williams’ sisters with prominent milk mustaches.

But there is such a thing as milk overkill. ‘Johnny constantly felt like garbage but had no way of telling me. My husband and I regret assuming that Johnny was moody when his heart was quite literally distressed,’ Ms Donovan said.

She added to DailyMail.com: 'It's probably a bad joke but sometimes I told my husband, it was like a drug or something. It was really hurting him, but it was the only thing he wanted. And so we were kind of baffled. What do we do?'

Over-consumption of cow’s milk is a precursor to iron-deficiency anemia. Anemia is a common problem in American children, though the type of anemia that Johnny had was less common. 

Only two to three per cent of toddlers have IDA, but seven to nine per cent of toddlers have an iron deficiency that could be caused by milk or another part of their diet. 

When the body does not get enough iron, it can’t make hemoglobin, a protein in red blood cells. Without hemoglobin, red blood cells are unable to carry oxygen to other cells in the body.

To hear that too much milk can be a bad thing was a surprise to Ms Donovan, who, like most Americans, was to believe that milk was the key to growing up big and strong.

She said: ‘Johnny's hematologist said most parents are unaware that too much milk can be a problem. We see our kids every day, but infrequent visitors such as a doctor or relative can notice worrisome physical changes in our little ones.’

Johnny recovered from his heart murmur and anemia a month and a half into treatment, which included two iron transfusions and continued dietary supplements.

Ms Donovan said: 'He had the first transfusion on a Friday, and by Sunday, he was just a different person.' 

His personality and disposition have changed for the better, Ms Donovan said. He smiles at everyone he meets, he is more eager to eat, and he wakes up talking eagerly to his stuffed animals. 

Johnny is doing well now. He loves English muffins, which are packed with iron, as well as fruit, Clif bars, and pepperoni, among other things. Ms Donovan said the family has a list of iron-rich foods pasted to their fridge and they limit Johnny's milk intake to about 12 ounces per day, short of the recommended maximum. 

‘For the first time in his little life, I feel like I'm finally getting to know the real Johnny,' his mom said.