Foam in the urine could be a sign of protein in the urine (which is common in myeloma) on the other hand, it could be entirely normal as well. Have you had your urinary protein measured as this would put the issue to rest.
My total protein serum is 6.7 p.
I have many protein results done yesterday, none are specific to urine, my knowledge towards interpreting which, if any, are related to urine is slim at best.
Thanks So Much;