Cefdinir (Omnicef) and Ketamine Therapy | Tovani Health
Omnicef (Cefdinir) — Third-generation oral cephalosporin
Verdict at Tovani Health
Fully compatible with KAP.
Cefdinir and ketamine have no clinically significant interaction. Common pediatric and adult oral cephalosporin for ear, sinus, and respiratory infections. The cosmetic red-stool reaction (from iron supplements binding cefdinir-iron complex in stool) is harmless and intrinsic.
If you take Omnicef regularly and are considering at-home ketamine therapy, the combination is generally safe at therapeutic doses. This page covers the brief pharmacologic context and what we do at intake.
How Omnicef interacts with ketamine
Cefdinir inhibits bacterial cell wall synthesis. Iron supplements can reduce absorption; take separately. No CYP interactions with ketamine.
What we do at intake
Continue your course as prescribed. Space iron supplements by 2+ hours.
Bottom line
Cefdinir and ketamine have no clinically significant interaction. Common pediatric and adult oral cephalosporin for ear, sinus, and respiratory infections. The cosmetic red-stool reaction (from iron supplements binding cefdinir-iron complex in stool) is harmless and intrinsic.
Ready to find out if at-home ketamine fits your situation?
We’ll note that you’re on Omnicef (Cefdinir) at intake. The eligibility check takes 5 minutes and gives you an honest answer about whether at-home ketamine fits your specific situation.
FL and NJ residents only. Benjamin Soffer, DO — Tovani Health.
Clinically reviewed
Reviewed by Benjamin Soffer, DO on May 22, 2026. Dr. Soffer is a board-certified physician (American Board of Internal Medicine) licensed in Florida and New Jersey, prescribing at-home ketamine therapy through Tovani Health.
This page is general information about how this medication interacts with at-home ketamine therapy at Tovani Health. It is not a substitute for medical advice from your prescribing physician about your specific situation. Always discuss medication changes with the doctor who prescribed them.