Signs of Addiction: Warning Signs to Recognize

Worried about yourself or someone you love? Learn the physical, behavioral, and psychological signs of addiction, the clinical warning signs, and how to take a compassionate first step toward help in Delaware.

June 10, 2026
AR

Angela Robinson

Signs of Addiction: Warning Signs to Recognize

The signs of addiction include losing control over use, strong cravings, neglecting responsibilities, continuing despite clear harm, needing more to feel the same effect, and experiencing withdrawal. Addiction is a treatable medical condition — not a moral failing — and noticing these warning signs early is the first step toward getting help.1

Key takeaways

  • Addiction shows up in physical, behavioral, and psychological changes.
  • Clinicians use 11 criteria to gauge severity as mild, moderate, or severe.
  • Tolerance and withdrawal are common physical warning signs.
  • Recognizing the signs early — in yourself or a loved one — makes recovery more likely.

What is addiction?

Addiction is a chronic, treatable medical condition involving compulsive substance use despite harmful consequences. It changes brain circuits tied to reward, stress, and self-control, which is why willpower alone is rarely enough.1

It is also common: an estimated 48.5 million Americans aged 12 or older had a substance use disorder in 2023, yet only a fraction received treatment.2

What are the physical signs of addiction?

  • Needing more of a substance to get the same effect (tolerance)
  • Shakiness, sweating, nausea, or sleep problems when not using (withdrawal)
  • Noticeable changes in weight, appearance, or hygiene
  • Bloodshot eyes, frequent illness, or unexplained injuries

What are the behavioral signs?

  • Secrecy, lying, or being defensive about activities and whereabouts
  • Neglecting work, school, or family responsibilities
  • New money problems, borrowing, or unexplained spending
  • Pulling away from old friends, hobbies, and family

What are the psychological signs?

  • Strong cravings or preoccupation with the next use
  • Mood swings, irritability, anxiety, or depression
  • Loss of motivation or interest in things once enjoyed
  • Denial — insisting there is no problem despite clear consequences

The clinical warning signs: 11 criteria

Clinicians diagnose a substance use disorder using 11 criteria. The number a person meets determines whether it is mild (2–3), moderate (4–5), or severe (6+).

CategoryWarning signs
Impaired controlUsing more or longer than intended; wanting to cut down but failing; spending a lot of time using or recovering; cravings
Social problemsFailing to meet obligations; continued use despite relationship problems; giving up important activities
Risky useUsing in dangerous situations; continuing despite knowing it causes physical or mental harm
Physical dependenceTolerance (needing more); withdrawal symptoms when stopping

How do you talk to someone you love about it?

Lead with care, not blame. Choose a calm, private moment, share specific things you have noticed, and avoid labels or ultimatums. Family therapy and professional guidance can make the conversation more productive and less confrontational.

If you are unsure where to begin, you can browse Delaware treatment centers or arrange a professional assessment to understand the level of care that may help.

Getting help in Delaware

Recognizing the signs is the hard part — acting on them saves lives. Residential and outpatient programs across Delaware treat the full range of substance use disorders.

For free, confidential support any time, call the SAMHSA National Helpline at 1-800-662-4357.3 If you or someone you love is in crisis or thinking about suicide, call or text 988.

Frequently asked questions

Sources

  1. NIDA. Drugs, Brains, and Behavior: The Science of Addiction. National Institute on Drug Abuse, 2020.
  2. SAMHSA. 2023 National Survey on Drug Use and Health (NSDUH). U.S. Department of Health and Human Services, 2024.
  3. SAMHSA. National Helpline: 1-800-662-HELP (4357). Substance Abuse and Mental Health Services Administration.