Valacyclovir (Valtrex) and Ketamine Therapy | Tovani Health
Valtrex (Valacyclovir) — Antiviral (herpes simplex / varicella zoster)
Verdict at Tovani Health
Fully compatible with KAP.
Valacyclovir and ketamine have no clinically significant interaction. Used for genital and oral herpes, shingles, and suppressive therapy. Continue as prescribed.
If you take Valtrex 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 Valtrex interacts with ketamine
Valacyclovir is the L-valyl ester prodrug of acyclovir, which is phosphorylated by viral thymidine kinase and inhibits viral DNA polymerase. Renally cleared. No CYP interactions with ketamine.
What we do at intake
Continue as prescribed.
Bottom line
Valacyclovir and ketamine have no clinically significant interaction. Used for genital and oral herpes, shingles, and suppressive therapy. Continue as prescribed.
Ready to find out if at-home ketamine fits your situation?
We’ll note that you’re on Valtrex (Valacyclovir) 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 17, 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.