Over analyzing, STOP the panic attack. You're not crazy but you can drive yourself to that point, it's faith that you can survive this mess which can carry you through all this hell which we do see with our own eyes.
Things coming out of us is always a sign of progress.
The black specks are repo material and they are usually white while inside us but oxygen seems to suddenly darken them when they surface. Blaming them on anyone, especially your child, is a thinking error on your part and must be stopped. We are all guilty of this action but it does more harm than good.
Your observations are interesting, even if a bit jumbled. Try to stay calm as the mess seems to get worse when we allow our nervous system to overload.
Beating this mess will be the most challenging event of your life but it can be done, keep focusing on your faith that you can and will heal.
We cannot change the massive presence of so much repro material within our environment, as it is overloaded.
Physan 20 is best for cleaning in and around the home, borax and it's offshoot, Oxyclean are also excellent products for clothing and preventing the material from reatticking our bodies. Clothes are a source to be examined for lintballs and small to large holes in the cloth.
Sweating profusely will allow many worms to surface so they can be showered off. Baths are a no-no in my opinion.
The liquid antifungal spray that contains Tolnaftate works miracles and I use it all over and especially in the ears but first it is to be placed upon a q-tip. Do not purchase generic q-tips as the cotton is contaminated and it often falls off and is left inside the ear canal.
Garlic oil placed in a nose squirter, along with water, will force them out of the sinuses.