Penicillin VK and Ketamine Therapy | Tovani Health
Penicillin VK (Penicillin V Potassium) (also: PCN VK) — Natural penicillin (oral)
Verdict at Tovani Health
Fully compatible with KAP.
Penicillin VK and ketamine have no clinically significant interaction. Standard oral penicillin for strep throat, rheumatic fever prophylaxis, and other gram-positive infections. Clean drug-interaction profile.
If you take Penicillin VK 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 Penicillin VK interacts with ketamine
Penicillin VK inhibits bacterial cell wall synthesis. Renally cleared. No CYP interactions with ketamine.
What we do at intake
Continue your course as prescribed. Disclose any penicillin allergy history.
Bottom line
Penicillin VK and ketamine have no clinically significant interaction. Standard oral penicillin for strep throat, rheumatic fever prophylaxis, and other gram-positive infections. Clean drug-interaction profile.
Ready to find out if at-home ketamine fits your situation?
We’ll note that you’re on Penicillin VK (Penicillin V Potassium) 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.