Drug Testing Locations in New Hampshire

Accredited Drug Testing has 28 drug testing centers in 120 NH cities.

Please select a city from the list below to find drug test centers in New Hampshire.

Enhancing Workplace Safety: The Importance of Drug Testing

Employers in New Hampshire can significantly benefit from our drug testing services, as we operate 80 test centers in 120 cities. Our extensive network allows easy access to reliable testing solutions that help maintain a safe and productive workplace.

Regular drug testing reduces workplace accidents and enhances productivity by ensuring that employees are not under the influence of illicit substances. This proactive approach promotes a healthier work environment, thereby reducing absenteeism and increasing overall job satisfaction.

With our comprehensive range of testing options, we cater to various industries and job roles, ensuring that all sectors in New Hampshire can uphold their safety standards. Our services are designed to comply with state regulations, offering peace of mind to employers.

In addition, our testing services assist employers in adhering to insurance requirements and avoiding potential legal issues related to workplace drug use. Investing in drug testing is a strategic move that safeguards business interests while promoting a positive workplace culture.

New Hampshire Drug Free Workplace Programs

New Hampshire has implemented several initiatives aimed at maintaining a safe and healthy work environment concerning substance use. As part of these efforts, employers are encouraged to foster drug-free workplaces by adopting comprehensive policies and providing employee education on substance misuse. This approach not only helps mitigate the risks associated with drug use but also promotes a culture of health and safety within the workplace.

Additionally, the state offers resources and support for employers to develop effective drug prevention and intervention strategies. These include access to training programs and guidance on legal compliance, helping businesses to manage and reduce workplace drug-related issues. By prioritizing these practices, New Hampshire underscores its commitment to a healthier, more productive workforce.

How does the body eliminate Drugs

Drug elimination is the sum of the processes of removing an administered drug from the body. In the pharmacokinetic ADME scheme (absorption, distribution, metabolism, and excretion), it is frequently considered to encompass both metabolism and excretion. Hydrophobic drugs, to be excreted, must undergo metabolic modification making them more polar. Hydrophilic drugs, on the other hand, can undergo excretion directly, without the need for metabolic changes to their molecular structures.

Although many sites of metabolism and excretion exist, the chief organ of metabolism is the liver, while the organ primarily tasked with excretion is the kidney. Any significant dysfunction in either organ can result in the accumulation of the drug or its metabolites in toxic concentrations.

A variety of other factors impact elimination — intrinsic drug properties, such as polarity, size, or pKa. Also other factors include genetic variation among individuals, disease states affecting other organs, and pathways involved in the way the drug distributes through the body, such as first-pass metabolism.

Issues of Concern

Drug elimination is the removal of an administered drug from the body. It is accomplished in two ways, either by excretion of an unmetabolized drug in its intact form or by metabolic biotransformation followed by excretion. While excretion is primarily carried out by the kidneys, other organ systems are involved as well. Similarly, the liver is the primary site of biotransformation, yet extrahepatic metabolism takes place in a variety of organ systems affecting multiple drugs.

Given the multiple organ systems and the variety of metabolic transformations present, drug elimination can entail a significant degree of complexity. Hydrophilic drugs are typically directly excreted by the kidneys, while hydrophobic drugs undergo biotransformation before excretion. The purpose here is twofold – biotransformation serves both detoxify the exogenous substances as well as to increase their hydrophilicity, ensuring their elimination via the kidneys.

Two broad metabolic pathways of hepatic drug transformation exist. Phase I is the direct modification of the target molecule, whereas phase II entails conjugation of the target to a polar molecule of low molecular weight. Phase I prepare the drug to enter phase II, but single-phase metabolism also exists.

Phase I involves oxidation, reduction, and hydrolysis of the exogenous molecule. These reactions are accomplished by hepatic microsomal enzymes, which reside in the smooth endoplasmic reticulum of the hepatocytes. Best known among them is the cytochrome P450 system, whose enzymes are predominantly involved in oxidative metabolism. Within the cytochrome P450 family (CYP), the enzyme responsible for the metabolism of more than 50% of existing drugs is the CYP3A4. Its activity encompasses various classes of medications, including opioids, immunosuppressants, antihistamines, and benzodiazepines. The enzymes can also be induced or inhibited by a variety of substances they interact with, including pharmaceuticals. The increase in metabolic activity with CYP induction results in a diminished activity of drugs targeted by that particular isoform. Conversely, CYP inhibition will result in increased drug plasma concentration, potentially leading toxicity. The CYP3A4 is induced by phenytoin, phenobarbital, and St. John's wort, while diltiazem, erythromycin, and grapefruit inhibit it. Caution is, therefore, necessary when administering CYP3A4-metabolized drugs in the presence of any of the inhibitors or inducers.

Phase II consists of covalent bonding of polar groups to nonpolar molecules to render them water-soluble and allow renal or biliary excretion. Target molecules enter phase II directly or via initial processing through phase I. A variety of polar adjuncts is transferred, including amino acids, glucuronic acid, glutathione, acetate, and sulfate. Glucuronidation is one of the major pathways of phase II biotransformation. The UDP-glucuronosyltransferase (UGT) enzyme family performs this activity. Typically, glucuronide derivatives possess less or no activity of the original drug, but in some cases, pharmacologically active compounds result. Morphine-6-glucuronide is a phase II metabolite of morphine with significant analgesic activity. As with the CYP enzymes, inducers, and inhibitors of phase II, enzymes exist and may influence the efficacy of drugs that rely on conjugation before excretion.

The first-pass effect is a feature of hepatic metabolism that also plays a role in the elimination of multiple drugs. Here, the enteric consumed drugs are exposed directly to the liver via the portal vein, where they undergo biotransformation before entering the systemic circulation. This activity reduces the bioavailability and needs to be factored into the dose administered to the patient. Intravenously administered drugs are not subject to the first-pass effect.

Extrahepatic drug metabolism takes place in the GI tract, kidneys, lungs, plasma, and skin.

Renal excretion completes the process of elimination that begins in the liver. Polar drugs or their metabolites get filtered in the kidneys and typically do not undergo reabsorption. They subsequently get excreted in the urine. Urinary pH has a significant impact on excretion, as drug ionization changes depending on the alkaline or acidic environment. Increased excretion occurs with weakly acidic drugs in basic urine and weakly basic drugs in acidic urine.

Excretion in the bile is another significant form of drug elimination. The liver can actively secrete ionized drugs with a molecular weight greater than 300 g/mol into bile, from where they reach the digestive tract and are either eliminated in feces or reabsorbed as part of the enterohepatic cycle.

Other pathways of excretion include the lungs, breast milk, sweat, saliva, and tears

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

New Hampshire Laws on Drugs

New Hampshire's drug laws are stringent, with severe penalties for possession and distribution. Controlled substances such as cocaine, heroin, and methamphetamines are classified into different schedules, with possession penalties varying according to the substance's classification and amount.

Law enforcement actively combats illegal drug distribution, with hefty fines and substantial prison terms for offenders. Rehabilitation is often promoted for first-time offenders, looking to reduce recidivism and integrate them back into society.

New Hampshire Laws on Marijuana

The state of New Hampshire permits limited marijuana possession for medicinal purposes, requiring patients to have a qualifying medical condition and a valid prescription. Recreational use is decriminalized for small amounts, typically resulting in fines without jail time.

Despite decriminalization, selling or cultivating marijuana without proper authorization remains illegal. State laws aim to strike a balance between medicinal needs and control of substance misuse, continuing to evolve with public health and safety considerations.

New Hampshire Drug Resources

NH Department of Health
Provides guidance and resources on drug use prevention.

New Futures
Advocates for policy changes to reduce substance use.

SAMHSA
Offers drug abuse prevention and mental health services.

Governor's Commission
Focuses on alcohol and drug prevention and treatment.

US Department of Labor
Provides workplace safety standards, including substance policies.

NH Works
Connects employers to workforce development resources.

The Prevention Hub
Community resource for substance misuse prevention.

Granite Pathways
Supports recovery and healthcare services across NH.

NH Opioid Crisis Response
State's opioid response and prevention initiatives.

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