Going Though Withdrawal: How Long Do Drugs Stay in Your Body?


A common question among drug users is, “How long do drugs stay in your system?” The answer to this question may surprise you. When you use any type of drug, it is absorbed by the body and can be detected in your system by testing your blood, saliva, hair, or urine. All four of these tests have a different time frame for when they will no longer show a positive result, so asking, “How long do drugs stay in your blood?” will result in a different answer than how long that same drug will stay detectable in your hair.

How long do drugs stay in your system?

Most substances can be detected for two to four days after the last use, but the answer to this question isn’t clear-cut. Several factors can determine the duration of drugs in your system. A few of these factors are the chemical makeup of the drug being used as well as the amount, frequency, and administration route. The higher the dose and the more frequently the drug is used over time, the longer it’s likely to stay in your system. Another variable is the fact that every person reacts differently to drug use. This is due to an individual’s unique metabolism, excretion rate, and body mass. If you have a fast metabolism, your body will rid itself of the drug faster than if you had a slow metabolism.

How long do drugs stay in your blood?

There are Several factors that determine this, such as the type of drug and the physical characteristics of the person taking it. But on average, alcohol will stay in your blood for 12 hours, marijuana for two days, cocaine for 24 hours, heroin for six hours, opium for 12 hours, and meth for one to three days.

How long do opiates stay in your saliva?

Opiates will stay in your saliva for one to four days. Evidence of drug use will be present in saliva for a longer period of time than in the blood. Alcohol abuse can be detected for one to five days, marijuana and cocaine for one to ten days, and heroin, opium, and meth for one to four days.

How long do drugs stay in your hair?

Drug use will be detectable for the longest duration in your hair. In fact, alcohol and drug use of any kind can be detected in a hair sample for up to 90 days.

How long do drugs stay in your urine?

Urinalysis is the most common type of drug testing done to detect the use of a substance. Alcohol will stay in your urine for three to five days, marijuana anywhere from two days to 11 weeks, cocaine for two to 30 days, heroin and opium for two to four days, and meth for one to four days.

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