My dog started furiously scratching the wall behind my eight-month-old daughter’s crib: at first we thought he’d just gone crazy, but when we looked inside the wall, we found something truly horrifying.
My dog started furiously scratching the wall behind my eight-month-old daughter’s crib: at first we thought he’d just gone crazy, but when we looked inside the wall, we found something truly horrifying.
My daughter was just eight months old when she started with what at first seemed like a common cold. She coughed almost constantly, especially at night. This cough was strange, dry, and rumbling, as if something were vibrating inside her little chest. Sometimes she would start breathing so shallowly that I would wake up in the middle of the night and listen intently, checking to see if her chest was rising.
We went to the pediatrician several times. The doctor listened carefully to her lungs, asked questions, and finally said it seemed like childhood asthma. He prescribed an inhaler and medication.
I followed all the instructions strictly, but weeks went by and she didn’t improve. Sometimes it even seemed to get worse. She became lethargic, ate very little, and woke up frequently during the night with difficulty breathing.
At the same time, our golden retriever Daisy started behaving very strangely. She was normally a calm and affectionate dog who could spend hours lying by the crib silently watching the baby. But suddenly she started destroying the nursery.
Every time I left the room, I heard a scratching sound from the hallway. I’d run back and see the same thing every time: Daisy was by the wall right behind the crib, furiously clawing at the plaster with her paws. She was tearing at the wallpaper, leaving long marks on the wall, and digging as if she were trying to reach something inside.
At first I thought she was just bored or jealous of the baby. I scolded her, pushed her away, and closed the door. Once I even put up a baby gate so she couldn’t get into the room.
But somehow Daisy managed to knock it down and get back inside. Each time she returned to the exact same spot behind the crib and continued scratching at the wall with desperate obstinacy.
After a few days, I noticed small, bleeding cracks on her paws. She was literally wearing the pads down against the cast. I was angry and exhausted from sleepless nights because the baby could barely sleep due to coughing. Sometimes it seemed to me that the dog had simply gone mad.
Last night, my patience completely ran out. I went into the nursery and saw that Daisy had made a huge hole in the wall. The plaster was broken, pieces of stucco were scattered across the carpet, and she kept scratching at the edge of the hole as if trying to make it bigger.
I grabbed her collar roughly and pulled her away, scolding her loudly. My heart pounded with fury because all I could think about was how much the repair would cost. But when I bent down and looked inside the dark hole she had scratched, I was horrified by what I found. 
Now I want to share my story with all parents so they can be more vigilant too.
I told the rest of the story in the first comment.
A heavy, musty smell was emanating from the wall. It was so unpleasant that I couldn’t help but frown.
I turned on my phone’s flashlight and pointed it at the inside of the wall. The beam of light scanned the wooden beams and insulation, and at that moment a chill ran down my spine.
The entire area behind my daughter’s crib was covered in thick, black stains. It wasn’t just ordinary dirt or dampness. A thick, spongy layer of black mold was growing on the wood and insulation. I immediately knew something was seriously wrong.
Minutes later, upon closer inspection of the wall, I noticed a small damp line above a pipe coming from the adjacent bathroom. It turned out the pipe had been slowly leaking for a long time. Moisture had been accumulating inside the wall for years, and toxic black mold had grown there.
And that wall was right behind my baby’s crib.
At that moment, my hands literally started shaking. I suddenly realized that my daughter probably didn’t have asthma. For weeks she had been breathing air filled with toxic mold spores.
And Daisy, all that time, was sensing a scent that we couldn’t detect. She scratched the wall, destroyed the house, and hurt her paws just to reach the source of that smell.