Loratadine (Claritin) and Ketamine Therapy | Tovani Health
Claritin (Loratadine) (also: Alavert) — Second-generation antihistamine (H1 antagonist)
Verdict at Tovani Health
Fully compatible; non-sedating with no meaningful interaction.
Loratadine and ketamine have no clinically significant interaction. Loratadine is a non-sedating second-generation antihistamine that does not stack with ketamine on sedation or any other axis we monitor.
If you take Claritin 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 Claritin interacts with ketamine
Loratadine is a peripherally-selective H1 antagonist with minimal CNS penetration. No relevant overlap with ketamine pharmacology.
What we do at intake
Nothing special to plan around. Take as you normally would.
Bottom line
Loratadine and ketamine have no clinically significant interaction. Loratadine is a non-sedating second-generation antihistamine that does not stack with ketamine on sedation or any other axis we monitor.
Frequently Asked Questions
Do I need to skip Claritin on session day?
No. Take it as usual.
Ready to find out if at-home ketamine fits your situation?
We’ll note that you’re on Claritin (Loratadine) 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.
Sources
The verdict and clinical guidance on this page are based on the following peer-reviewed literature and FDA prescribing information.
- Ketamine: A Review of Clinical Pharmacokinetics and Pharmacodynamics in Anesthesia and Pain Therapy. Peltoniemi MA, Hagelberg NM, Olkkola KT, Saari TI.. Clinical Pharmacokinetics. 2016. PMID: 27028535
Comprehensive clinical pharmacokinetics/pharmacodynamics review of ketamine including CYP-mediated drug interactions (CYP3A4, CYP2B6).
Clinically reviewed
Reviewed by Benjamin Soffer, DO on May 16, 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.