1. Alcohol:

• Physical: Slurred speech, coordination problems, memory blackouts.
• Behavioral: Neglecting responsibilities, isolation from social activities, consuming alcohol in dangerous situations.

2. Heroin:

• Physical: Constricted pupils, abrupt weight loss, a runny nose or frequent sniffing.
• Behavioral: Lethargy, a sudden shift in behavior, neglect of personal appearance.

3. Opioid:

• Physical: Drowsiness, slowed breathing rate, constipation.
• Behavioral: Poor decision-making, mood swings, seeking prescriptions from multiple doctors.

4. Trauma:

• Physical: Easily startled, fatigue, difficulty sleeping.
• Behavioral: Avoiding reminders of the traumatic event, feelings of guilt or shame, emotional numbness.

5. Painkiller:

• Physical: Nausea, drowsiness, slowed breathing rate.
• Behavioral: Increased sensitivity to pain, mood swings, borrowing or stealing medication.

6. Prescription Drug:

• Physical: Unsteady movement, rapid or slowed heart rate, excessive sleepiness.
• Behavioral: Seeking prescriptions from multiple doctors, taking higher doses than prescribed, excessive mood swings.

7. Cocaine:

• Physical: Increased heart rate, high blood pressure, dilated pupils.
• Behavioral: Euphoria, overconfidence, anxiety, paranoia.

8. Meth (Methamphetamine):

• Physical: Weight loss, dental problems, skin sores.
• Behavioral: Aggressiveness, obsessive behavior, paranoia, hallucinations.

9. Fentanyl:

• Physical: Trouble breathing, seizures, dizziness.
• Behavioral: Difficulty concentrating, social isolation, chasing higher doses due to tolerance.

10. Benzo (Benzodiazepines):

• Physical: Drowsiness, dizziness, slurred speech.
• Behavioral: Memory problems, poor concentration, trying to acquire more pills unlawfully.

11. Anxiety:

• Physical: Rapid heartbeat, sweating, tremors.
• Behavioral: Constant worry, restlessness, avoidance behaviors.

12. Depression:

• Physical: Fatigue, changes in appetite, sleep disturbances.
• Behavioral: Feelings of hopelessness, lack of interest in hobbies, withdrawal from friends and family.

13. PTSD (Post-Traumatic Stress Disorder):

• Physical: Flashbacks, nightmares, insomnia.
• Behavioral: Emotional numbness, irritability, avoidance of places or things that remind of the traumatic event.

14. Marijuana:

• Physical: Bloodshot eyes, increased appetite, dry mouth.
• Behavioral: Paranoia, slowed reaction, distorted perception.

15. Ecstasy (MDMA):

• Physical: Increased body temperature, nausea, blurred vision.
• Behavioral: Heightened senses, feelings of emotional closeness, anxiety.

16. Polysubstance Abuse:

• Physical: Symptoms may vary depending on the combination of substances used.
• Behavioral: Using multiple substances simultaneously, heightened or mixed symptoms of individual drug effects, unpredictable behavior.