have you experienced Herxheimer reaction? according to their site
Colloidal Silver - MesoSilver™ by Purest Colloids + Risk Free Trial Feeling Worse Before Feeling Better?
Some users experience a
Herxheimer reaction when using colloidal silver.
Simply stated, it is a reaction that occurs when the body is detoxifying and the released toxins which can produce headaches, body ache, joint pain, sweating, general malaise, sore throat, nausea and/or flu-like symptoms
see i would be scared to use it on my dog since she has ibd; i would be scared she would get really sick to the point where she can't be helped.