A mouth swab test, also called an oral fluid drug test, detects recent drug use by analyzing saliva. It is a preferred method for employers and law enforcement because it is fast, non-invasive, and easy to administer.
The detection window varies depending on the substance, but most drugs can be detected in saliva for 24–48 hours. However, certain factors such as hydration, metabolism, and oral hygiene can how to pass mouth swab test in 12 hours impact the results.
Hydration helps flush out toxins from your system. Drink at least 8–10 glasses of water before your test to dilute drug traces in your saliva.
Detox mouthwashes like Ultra Wash or Toxin Rid can temporarily remove drug residues from your saliva. Use one 10–15 minutes before your test for best results.
Chewing gum or sucking on sour candies increases saliva production, helping to clear out toxins more quickly.
Steer clear of any substances that may cause a positive result, including secondhand smoke and THC-infused foods.
While passing a mouth swab test in 12 hours is not guaranteed, these methods—hydration, oral hygiene, detox mouthwash, and increased saliva production—can improve your chances. For the best results, avoid drug use before your test and follow these cleansing techniques carefully.