GF mice also exhibit impaired proliferation and TCR signaling in unconventional T cells, including mucosal-associated invariant T (MAIT) cells, highlighting the necessity of microbiota-derived metabolites for MAIT cell development [60]
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What you will likely notice more during weeks 1-2 are side effects
Last Updated on February 25, 2026 by Marie Benz MD FAAD
Selective 5-HT3 Receptor Antagonist FDA-Approved Uses: Cancer chemotherapy-induced nausea and/or vomiting Postoperative nausea and/or vomiting Radiotherapy-associated nausea and/or vomiting Common Off-Label Uses: Nausea and/or vomiting, acute, severe Pregnancy-associated nausea and/or vomiting Vertigo-associated nausea and/or vomiting Typical Adult Dosing: Nausea and/or vomiting, acute, severe: Take Ondansetron 4 mg (1 tablet) by mouth EVERY 4 to 8 HOURS, as needed for nausea or vomiting**Do not exceed 16 mg (4 tablets) in a 24-hour period Pregnancy: Pregnancy Risk Category B (see Appendix A)
