These answers explain the limits of home drug screens and where to find more detailed guidance. For the test’s exact panel and procedure, always follow the instructions supplied with that product.
What does a home drug test check for?
Each kit checks for only the substances named on its label. Panels, cutoffs, sample types, and reading instructions vary. Review the product details and instruction leaflet before use.
Is a rapid positive result final?
No. A home or rapid test may provide a preliminary screening result. The FDA recommends laboratory confirmation of a positive at-home result. Read our guide to unexpected or preliminary positive results.
Can a medicine affect a screening result?
Some medicines and other substances can affect certain screening tests. Do not stop or change any prescribed medication based on a home test. For a regulated workplace result, share relevant medication information through the authorized review process.
What should I do after an unexpected result?
Check that the kit was stored and used as directed, then contact the provider or laboratory to ask about confirmation. For workplace or other regulated testing, follow the program’s process and deadlines. Our unexpected-results guide has more steps.
What can a negative home result tell me?
A negative result applies only to the substances included in the kit and the sample tested. It does not prove that every substance was tested for or detected. See our overview of urine, hair, oral-fluid, and blood testing.
Where can I find product details?
See the shop for current product panels and instructions. For an official overview, read the FDA’s home-use drug test guidance.
Order support and shipping information
For an order question, visit our Contact page. A working draft of Shipping & Returns is available for review; its bracketed details still need confirmation.
This page is general information and is not medical or legal advice.