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How Long Will 4 Hits of a Joint Stay in Your System?

Short answer

For a single use of 4 hits, THC metabolites typically remain detectable in urine for about 3 days, in blood for up to 48 hours, in saliva for up to 48 hours, and in hair for up to 90 days. Individual factors like metabolism and body fat affect the exact window.

Last updated Sep 23, 2026 · Published by Remedy (Baltimore) · Citation License 1.0

What Affects How Long THC Stays in Your System?

How long THC stays in your system varies by several personal factors. The most significant are frequency of use, metabolism, and body fat. THC is lipophilic, meaning it binds to fat cells and is released slowly over time. A single use of 4 hits will clear faster than daily use, but a slower metabolism or higher body fat can extend the detection window.

Other factors include hydration, age, and overall health. Younger people with faster metabolisms tend to process THC quicker. Liver and kidney function also play a role in how efficiently your body eliminates THC metabolites.

Remember, these are general guidelines. The only way to know for sure is to take a test, but understanding these variables helps you estimate your own timeline.

Detection Windows by Drug Test Type

Test TypeDetection WindowWhat It Detects
UrineUp to 3 days (single use); up to 30 days (chronic)THC metabolites
BloodUp to 48 hoursActive THC
SalivaUp to 48 hoursActive THC
HairUp to 90 daysTHC metabolites in hair shaft

Urine tests are most common, often using a 50 ng/mL cutoff for screening. Hair tests are the hardest to pass because they detect any past use over months.

Will I Pass a Drug Test After 4 Hits?

A good fit if…

  • You have a fast metabolism and low body fat.
  • You have not used cannabis in weeks before this.
  • Your test is a saliva or blood test taken after 48 hours.

Consider another option if…

  • You are a chronic user or have high body fat.
  • Your test is a hair test.
  • Your test is within 72 hours and you are worried.

There is no guaranteed way to pass, but knowing the test type and your own factors helps you decide if you need to delay or seek professional advice.

How to Clean Your System Fast for a Drug Test

  1. Stop using cannabis immediately. The sooner you stop, the sooner your body begins clearing THC.
  2. Hydrate well. Drink plenty of water to dilute urine, but avoid overhydration that may cause a dilute sample.
  3. Exercise. Since THC is stored in fat, moderate exercise can help release metabolites, but stop 24 hours before the test to avoid a spike.
  4. Eat a healthy diet. Fiber-rich foods may help bind and excrete THC through digestion.
  5. Consider over-the-counter detox drinks. These may temporarily mask metabolites, but effectiveness varies.
  6. Test yourself. Use a home drug test to see where you stand.
Remedy (Baltimore) 7165-C Security Blvd, Windsor Mill, MD 21244 (443)-348-3297 Mon–Sun 9 AM–11 PM, doors close at 10:45 PM Open in Google Maps

Directions to our dispensary in Baltimore from Lorraine Park Cemetery

Start at Lorraine Park Cemetery and head to Remedy (Baltimore) at 7165-C Security Blvd, Windsor Mill, MD 21244.

Which Drug Test Is Hardest to Pass?

A good fit if…

  • You know your test is urine or saliva, which are easier to pass after a few days.
  • You have time to wait out the detection window.

Consider another option if…

  • You face a hair test, which detects use up to 90 days.
  • You are a chronic user facing a urine test with a 15 ng/mL cutoff.

Hair tests are generally considered the hardest to pass because they capture a long history. If you have a hair test, there is little you can do except wait or seek professional advice.

How Long Will 4 Hits of a Joint Stay in Your System?

Test TypeDetection TimeNotes
UrineAbout 3 daysSingle use; up to 30 days if chronic
BloodUp to 48 hoursActive THC only
SalivaUp to 48 hoursActive THC
HairUp to 90 daysAny use in past months

These are general estimates. Your exact window depends on metabolism, body fat, and how often you use.

Single Hit vs Multiple Hits: How Long Do They Stay?

AmountUrine Detection (single use)Blood/Saliva
1 hitAbout 1–3 daysUp to 24–48 hours
3 hitsAbout 2–3 daysUp to 48 hours
4 hitsAbout 3 daysUp to 48 hours
More (e.g., blunt)3–5 days or longerUp to 48 hours or more

More hits increase the amount of THC in your system, but the detection window does not scale linearly. Chronic use extends the window significantly.

Edibles, Carts, and Other Forms: Detection Times

FormDetection Time (Urine)Notes
EdiblesUp to 5–7 daysMetabolized in liver, longer window
Carts (vape)About 3 days (single use)Similar to flower
Concentrates3–5 daysHigher potency may extend window
TincturesAbout 3 daysSublingual absorption

Edibles often stay longer because THC is converted to a more potent metabolite in the liver.

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Frequently asked questions

How long do three hits of a joint stay in your system?

Three hits of a joint typically stay in your system for about 2–3 days in urine, up to 48 hours in blood or saliva, and up to 90 days in hair. Individual factors like metabolism and body fat can extend or shorten this window.

How long will one hit of a cart stay in your system?

One hit from a cart (vape) generally remains detectable in urine for about 1–3 days after single use, similar to flower. Blood and saliva tests may detect it for up to 48 hours. Chronic use extends the window.

Will I pass a drug test if I smoked 5 days ago?

If you smoked only once, 5 days ago, you are likely to pass a urine test because the typical window for single use is about 3 days. However, if you are a chronic user, THC may still be detected for up to 30 days. Hair tests would still be positive.

What is the fastest way to clean out your system for a drug test?

There is no guaranteed fast method, but stopping use, staying hydrated, exercising (but not right before the test), and eating a healthy diet may help. Over-the-counter detox drinks may temporarily mask metabolites, but their effectiveness varies.

What drug test is hardest to pass?

Hair tests are the hardest to pass because they detect THC metabolites for up to 90 days, regardless of the amount used. Urine tests with a 15 ng/mL cutoff are also more sensitive than the standard 50 ng/mL screening.

Also asked as

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