Medically Reviewed By

Brittany Kowalski, LCSW, ACS, CCS

Clinical Director, Speranza Behavioral Health · Last clinically reviewed June 2026

Heroin Addiction in South Jersey: Signs, Withdrawal, and Getting Help

Heroin addiction is not a distant problem in South Jersey — it's a crisis playing out in neighborhoods, families, and emergency rooms across Gloucester County, Camden County, Burlington County, and every corner of the region. According to the New Jersey Department of Human Services, opioids (primarily heroin and illicitly manufactured fentanyl) account for the vast majority of overdose deaths in the state each year.

If you or someone you love is struggling with heroin in South Jersey, this guide is for you. Understanding the signs of heroin addiction, what withdrawal involves, and the treatment options available in your community can be the information that saves a life.

Understanding Heroin Addiction

Heroin is a powerful, fast-acting opioid that produces an intense rush of euphoria by flooding the brain's opioid receptors and triggering a massive release of dopamine. This initial high lasts only minutes, but the neurological imprint it leaves reshapes the brain's reward system profoundly — creating a compulsive drive to repeat the experience that overwhelms rational decision-making.

Physical dependence develops rapidly — often within just a few days of daily use. Once dependent, the person is no longer using to get high — they're using to avoid the agony of withdrawal. This is the trap of heroin addiction, and it's why willpower alone is almost never sufficient for sustained recovery.

Recognizing the Signs of Heroin Addiction

Physical Signs

• Extreme drowsiness ("nodding") — falling asleep between sentences
• Constricted (pinpoint) pupils
• Slowed breathing
• Pale, clammy skin
• Sudden weight loss
• Track marks, bruising, or collapsed veins on the arms (if injecting)
• Wearing long sleeves even in hot weather
• Runny nose or sniffling (if snorting)
• Neglected personal hygiene

Behavioral Signs

• Disappearing for long periods without explanation
• Extreme secrecy and dishonesty about whereabouts
• Sudden financial problems — borrowing money, selling possessions
• Withdrawal from family, long-term friends, and hobbies
• New social circle of people who also use
• Drug paraphernalia — syringes, bent spoons, tin foil, small bags
• Criminal behavior (theft, shoplifting) to fund use

Emotional Signs

• Mood swings correlated with use cycles (high → nodding → irritable → sick → high again)
• Intense anxiety, agitation, or hostility when unable to use
• Depression, hopelessness, and shame
• Expressed desire to stop but inability to do so

Heroin Withdrawal: What to Expect

Heroin withdrawal is extraordinarily uncomfortable but not typically life-threatening in healthy adults. The experience has been described as "the worst flu of your life, multiplied by ten." Understanding the timeline helps families and clients know what to expect.

Timeline:

• 6–12 hours after last use: Anxiety, yawning, watery eyes, runny nose, sweating
• 12–24 hours: Muscle aches, insomnia, nausea, agitation, intense cravings begin
• 24–48 hours: Peak symptoms — severe muscle cramps, vomiting, diarrhea, profuse sweating, restless legs, extreme anxiety, inability to sleep
• Days 3–5: Gradual improvement in acute symptoms
• Weeks 2–6: Post-acute withdrawal syndrome (PAWS) — lingering depression, anxiety, sleep disturbance, and cravings

The overwhelming discomfort of heroin withdrawal is the primary reason home detox fails so frequently and so dangerously. Medical detox with appropriate medications (buprenorphine induction, clonidine, comfort medications) dramatically reduces withdrawal severity and dramatically improves completion rates.

The Link Between Heroin and Fentanyl in NJ

It is critical to note that what is sold as heroin in South Jersey today is almost always heavily adulterated with illicitly manufactured fentanyl — and often primarily fentanyl. This has made the overdose crisis exponentially more dangerous, because:

• Fentanyl is 50–100x more potent than morphine
• It acts faster, leaving less time for Narcan to be administered
• Naloxone (Narcan) may require multiple doses
• Users cannot know their dose is lethal until it's too late

Carry Narcan. Know how to use it. It's available over the counter at virtually every pharmacy in New Jersey.

Treatment for Heroin Addiction Near Woodbury, NJ

At Speranza Behavioral Health in Woodbury, NJ, we provide comprehensive, evidence-based treatment for heroin and opioid use disorder for clients throughout South Jersey. Our treatment continuum includes:

Medically coordinated detox — We work with partner facilities for safe, supervised withdrawal management before PHP or IOP admission.

Medication-Assisted Treatment (MAT) — Buprenorphine (Suboxone) and naltrexone (Vivitrol) integrated into our programs. Learn more about MAT →

PHP and IOP programs — Structured daily treatment with group therapy, individual counseling, psychiatric care, and case management. PHP vs. IOP guide →

Dual diagnosis treatment — Many people with heroin addiction have co-occurring trauma, depression, or anxiety. We treat both simultaneously. Learn about dual diagnosis →

Aftercare and relapse prevention — Building the long-term support structures that make recovery last.

Serving All of South Jersey

Speranza Behavioral Health is located in Woodbury, NJ (Gloucester County) and serves clients from across the region — Camden County, Burlington County, Atlantic County, Cumberland County, Salem County, and Cape May County. Most insurance accepted. Same-day assessments available.

Call (866) 814-0126 now — our admissions team is available 24/7.

Verify your insurance benefits →

Related Reading:

• Fentanyl Addiction: Signs and Treatment in NJ
• What Is Medication-Assisted Treatment?
• What Is Dual Diagnosis?

About the Author

Brittany Kowalski

Brittany Kowalski is a licensed clinical social worker (LCSW) and behavioral health advocate at Speranza Behavioral Health in Woodbury, NJ. With over a decade of experience in addiction recovery and mental health treatment, she specializes in dual diagnosis care, trauma-informed therapy, and evidence-based outpatient programs serving South Jersey communities.