Herbs don't tend to be as harmful to "friendlies" in the gut as abx are, but it is always a good idea to take a probiotic supplement when one is trying to treat infections because the "friendlies" can help you fight the bad guys (Lyme, etc.) and I think also can help you hold on to what ground you've gained with abx.
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Anemia, Lymphopenia, intermittant Pancytopenia, chronic malabsorption/malnutrition, etc.; G-J Tube; Currently TPN-dependent.
Meds: Zofran, Pulmicort, Vitamin B12 Shots, Heparin (to flush PICC line).