Can dog barking cause hearing loss in babies?
Dog barking noise above 85 dB over a prolonged period of time may start to damage your hearing. So, yes dog barking can cause hearing loss for your babies. It can affect the adults as well. But, it will depend on how loud it is. And, how far is the dog. In any case, you do not want a loud dog near your baby.
We all know sound is measured in decibels (dB). As an example, if someone whispers to you that would be roughly 30 dB. When we talk to people during a normal conversation it can be roughly about 60 dB. CDC website is a good reference point for finding out noise levels that can affect your hearing.
It is estimated that dog barking can be between 80 and 90 decibels. Some dogs may reach over 100 dB. Just imagine, the intensity of the noise if few dogs bark at the same time. And, how painful that might be to a little baby.
If I was you, I would make sure I do not let my baby near loud dogs. Not just dogs, but keep them safe from any loud noise. It also applies to adults, do not expose yourself to noise higher than 85 dB for a long period of time. If your dog suffers from compulsive barking, this is a good article.