Methamphetamine urine test

Your doctor will ask you to get this test done if he/she suspects that you have used methamphetamine in the last 2-4 days or sees the following symptoms of methamphetamine overdose:

• Aggression 
• Severe agitation
• Hyperactivity
• High blood pressure
• Dilated pupils
• Dangerously high body temperature 
• Psychosis
• Rapid heartbeat

Symptoms of long-term methamphetamine abuse are:

• Tooth decay
• Severe weight loss
• Anxiety
• Memory loss
• Sleeping problems
• Intense itching and rashes from scratching
  
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Some workplaces may ask you to take this test as a condition for employment. 

If you are being treated for drug use, then your doctor may order this test at regular intervals to make sure that you are not using drugs anymore.

You do not need any prior preparations for the test. Make sure that you inform your doctor about any medications or health supplements which you take routinely or may have taken recently, as some of these medicines may alter the test results. 

A random urine sample can be used for this test, which can be collected conveniently either at home or at the lab. The procedure is very simple.

• If you are collecting the sample at home, then you can collect the required amount of urine in a container. 
• Before collecting the urine, clean your genital area to prevent contamination. 
• It would be preferable to collect the urine on the first visit to the washroom in the morning. Make sure the container is clean and dry.
• Label your container with the name, time and date. 
• Deposit the sample in the lab as soon as possible.

If you are providing the sample at the lab, you will be given a container for the sample.

Normal results:

Methamphetamine urine level of <500 ng/mL (nanograms per millilitre) is taken as a normal or negative result.

Abnormal results:

If methamphetamine level in the urine is greater than 500 ng/mL, the result is positive and means that your urine sample contains methamphetamine. It indicates that you may have used the drug in the last one to four days. If you are a habitual user of the drug, then you must inform the doctor so that appropriate treatment measures can be initiated. 

Please bear in mind that sometimes a false-positive result may be obtained. This means that even though you have not used the drug, the test results obtained are positive. The use of nasal inhalers, certain medications for common cold and antihistamines may cause false-positive results. Some antidepressants may also lead to a false-positive result. If you have taken these medications recently, you must convey this to your doctor.

Disclaimer: All results must be clinically correlated with the patient’s complaints to make a complete and accurate diagnosis. The above information is provided from a purely educational point of view and is in no way a substitute for medical advice by a qualified doctor.