The length of the drugs staying in your system vary greatly depending on the drug. Despite the effects of drugs also varying, some can stay in your system for months even after the effects wear off. How long a drug is detectable depends on a number of factors:

• Type of drug used
• Amount of drug used
• Frequency of use
• Hydration levels
• Body mass
• Physical activity
• Drug tolerance 
• Metabolic rate
• Medical conditions that impact drug elimination
• The presence of other drugs or alcohol
• Ethnicity
• Gender
• Weight

How long does Marijuana stay in your system?

With the huge increase in legalization of marijuana across the United States, citizens are bound to increase their usage of marijuana. Over 22 million Americans reported using marijuana recently, making it one of the most common use drugs. Despite it being legal in some states, federally it is not legal so employers and the court system have every right to conduct a drug test.

Majority of drug screenings test for tetrahydrocannabinol also known as THC which is the main factor in causing a high in people. The results of most drug screening depends on factors like body fat percentage, how often someone smokes, how much did they smoke. First time Marijuana users tend to pass a drug test compared to someone who smokes multiple times per week. 

The timeframe for detection depends on the drug test cut off levels:

Marijuana 

Urine test	Up to 30 days
Hair Test	Up to 90 days
Blood Test	Up to 4 hours
saliva Test	Up to 72 hours

 

How long Does synthetic Marijuana stay in your system?

Synthetic Marijuana, also known as K2 or Spice, are man-made chemicals that are sprayed on dried plants to be smoked or sold as liquids to be vaporized. This drug is sometimes marketed as “fake weed,” and it is unpredictable and dangerous, sometimes causing violent behavior, vomiting, suicidal thoughts, and rapid heart rate. The results of drug tests for Synthetic Marijuana greatly depend on how frequently the user inhales the drug.

Synthetic Marijuana 

Urine test	Up to 72 hours
Hair Test	Up to 90 days
Blood Test	Up to 48 hours
saliva Test	Up to 48 hours

How Long Do Opioid Drugs Stay In Your System?

Opioid have many different drugs like Fentanyl, Heroin, and pain relievers such as Oxycodone, Hydrocodone Codeine, and Morphine. A recent study reveals that 80% of employers are concerned about Opioid use since it can cause brain damage. The timeframe for detection depends on the specific drug, the frequency and quantity of use, metabolism, and body fat.

Morphine

Urine test	Up to 3 days
Hair Test	Up to 90 days
Blood Test	Up to 72 hours
saliva Test	Up to 72 hours

 

Codeine 

Urine test	Up to 72 hours
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 4 Days

 

Fentanyl

Urine test	Up to 72 hours
Hair Test	Up to 90 days
Blood Test	Up to 48 hours

 

Heroin

Urine test	Up to 3 Days
Hair Test	Up to 90 days
Blood Test	Up to 6 hours
saliva Test	Up to 1 hours

 

Hydrocodone 

Urine test	Up to 4 days
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 36 hours

 

Methadone

Urine test	Up to 12 days
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 10 days

 

Oxycodone

Urine test	Up to 4 days
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 4 days

 

How long do Benzodiazepine Drugs stay in your system?

Benzodiazepine are known as sedatives that are commonly prescribed for anxiety or insomnia. However, people normally misuse these drugs. Other forms of Benzodiazepine are Valium, Xanax and Klonopin. Benzodiazepine usually stays in your system for 2 to 7 days if being tested by a urine test, it can be detected for longer if the use is repeated. 

Xanax

Urine test	Up to 4 days
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 48 hours

 

How long do stimulant drugs stay in your system?

 16 million Americans are prescribed stimulants that are intended to treat attention-deficit hyperactivity disorder. Like all the other drugs, people take advantage and misuse these medications or use the illegal and illicit drugs such as cocaine, methamphetamine, ecstasy and molly. 

Cocaine

Urine test	Up to 72 hours
Hair Test	Up to 90 days
Blood Test	Up to 24 hours
saliva Test	Up to 48 hours

 

Ecstasy

Urine test	Up to 4 days
Hair Test	Up to 90 days
Blood Test	Up to 48 hours
saliva Test	Up to 48 hours

 

Meth

Urine test	Up to 1 week
Hair Test	Up to 90 days
Blood Test	Up to 3 days
saliva Test	Up to 4 days

 

Adderall

Urine test	Up to 72 hours
Hair Test	Up to 90 days
Blood Test	Up to 46 hours
saliva Test	Up to 50 hours

 

How long does alcohol stay in your system?

One of the most common and legal drugs in the United States is Alcohol. Which is the most abused drug causing 88,000 deaths each year. 

Urine test	Up to 48 hours
Hair Test	Up to 90 days
saliva Test	Up to 3 days