Does Renvela 800mg Cause Severe Hairfall?

My mother has been on dialysis for approx. 7 month's and is on several medication's. She has been losing her hair and is wanting to know which of the following is causing it? One of her Kidney med. she is curious about and if this is the cause- Renvela 800 mg 5 time's a day? If not can you please help me to help her figure out why and what is the cause.