Drug Interaction Checker
Identify potential interactions between medications. Check combinations safely before you take them.
Educational Use Only
Frequently Asked Questions
What does each severity level mean?
- Contraindicated:
- The combination is dangerous and should generally be avoided. Do not use together without medical supervision.
- Major:
- Significant interaction that could cause serious adverse effects. Use together with caution and close monitoring.
- Moderate:
- Moderate interaction that may cause unwanted effects. Monitor for side effects; dose adjustment may be needed.
- Minor:
- Minimal interaction. Generally safe together but monitor for any unusual symptoms.
What should I do if I find a concerning interaction?
Contact your pharmacist or physician immediately. They can evaluate your specific medical situation and may adjust doses, change timing, or recommend alternative medications. Never stop taking medications without professional advice.
Does this checker include over-the-counter drugs, supplements, and herbals?
This version focuses on prescription medications. Supplements, herbals, and OTC drugs can also interact significantly. Always inform your healthcare provider about everything you're taking.
How often is this database updated?
Our interaction database is updated regularly based on FDA alerts and clinical literature. However, it may not include the newest interactions. Always check the latest FDA guidance and clinical resources for the most current information.
Is my information private?
This interaction checker is a public tool. Do not rely on it for confidential medical information. If you're logged in and using medications from your health record, that data is handled according to our privacy policy.