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Home› Mental Illness Symptoms and Causes

Comprehensive medical guide

Mental Illness Symptoms and Causes — Page 3

Mental illness symptoms in feelings, thinking, behavior and the body, the difference between passing distress and a disorder, and emergency signs. Free advice.

Medically reviewed by Dr. Mohamed Hosney Consultant in mental health Last reviewed: 6 October 2026 164 articles in this guide

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Mental Illness Symptoms and Causes articles

Tension headache: what it feels like, how it differs from migraine, warning signs that call for the emergency department, its triggers, painkiller overuse headache, prevention and treatment — Riviera Life

6 November 2026

Tension Headache: Its Signs, How It Differs from Migraine and When It Is Serious

Borderline personality symptoms: the nine signs — fear of abandonment, unstable relationships, identity and mood, emptiness, anger, impulsivity, self-harm and stress-related detachment — and when to seek help — Riviera Life

6 November 2026

Borderline Personality Symptoms: 9 Psychological and Behavioral Signs That Need Attention

Depression symptoms: the psychological, thinking, physical and behavioral signs, how they differ in men, teenagers, older people and children, degrees of severity and when it becomes an emergency — Riviera Life

6 November 2026

Depression Symptoms: Psychological, Physical and Behavioral Signs and When to Worry

Social anxiety symptoms: the psychological, physical and behavioral signs before, during and after social situations, signs in children and teenagers, the difference from shyness and when to seek an assessment — Riviera Life

6 November 2026

Social Anxiety Symptoms: Psychological and Physical Signs and When to Seek Treatment

Teen depression: the signs parents notice, how it differs from normal teenage moods, the role of bullying and the internet, how to talk with your teenager and safe treatment options — Riviera Life

6 November 2026

Teen Depression: The Signs, How Parents Can Talk and Treatment Options

Types of anxiety: the seven main anxiety disorders — generalized anxiety, panic, agoraphobia, specific phobia, social anxiety, separation anxiety and selective mutism — with a comparison table — Riviera Life

6 November 2026

Types of Anxiety: 7 Main Disorders and How to Tell Them Apart

Delusions of grandeur: how they differ from self-confidence and narcissism, examples, their appearance in mania, schizophrenia, delusional disorder and with stimulants, how the family should act and treatment — Riviera Life

6 November 2026

Delusions of Grandeur: How They Differ from Confidence and Narcissism, Causes and Treatment

Schizoid personality: signs of detachment from relationships and emotional coolness, the difference from introversion, avoidant and schizotypal personality, its effect on work and marriage, and treatment — Riviera Life

6 November 2026

Schizoid Personality: Signs, How It Differs from Introversion and Avoidant Personality, and Treatment

Obsessive-compulsive personality disorder: signs of perfectionism, control and rigidity, the difference from OCD, its effect on work, marriage and parenting, and how psychotherapy restores flexibility — Riviera Life

6 November 2026

Obsessive-Compulsive Personality Disorder: Perfectionism, Control and How It Differs from OCD

Anxiety symptoms: psychological, physical and behavioral signs, panic attack symptoms, anxiety in children and teenagers, and when to see a doctor or go to the emergency department — Riviera Life

6 November 2026

Anxiety Symptoms: Psychological and Physical Signs and When You Need Help

Types of social anxiety: performance-only anxiety and the broad form, degrees of severity, special forms, and the difference from avoidant personality, agoraphobia and depression — Riviera Life

6 November 2026

Types of Social Anxiety: Patterns of Fear, Degrees of Severity and How They Differ

The harms of untreated OCD: its effects on the mind, skin, sleep and nutrition, on study, work, marriage and family, the harms of wrong solutions and what improves with treatment — Riviera Life

6 November 2026

The Psychological, Physical and Social Harms of OCD

Self-harm: why some people turn to it, the signs families notice, how to respond without anger, safe calming alternatives, psychotherapy and urgent help numbers in Egypt — Riviera Life

6 November 2026

Self-Harm: Why It Happens and How to Help Someone You Love Without Blame or Anger

Psychological and movement symptoms of dopamine deficiency: weak drive and loss of pleasure, their link with Parkinson's, depression and ADHD, how the doctor tells them apart and when you need an assessment — Riviera Life

6 November 2026

Dopamine Deficiency Symptoms: Psychological and Movement Signs, and When to Worry

Serotonin syndrome, a toxic emergency: the medicines and drugs that cause it such as tramadol with antidepressants and ecstasy, its symptoms and degrees, its treatment and when to call the ambulance — Riviera Life

6 November 2026

Serotonin Syndrome: Causes, Symptoms and When to Call an Ambulance

Bipolar disorder and addiction: why they come together, how alcohol, hash and stimulants ignite episodes, why they are treated together in one plan under medical supervision, and advice for the family — Riviera Life

6 November 2026

Bipolar Disorder and Addiction: How They Intertwine and How They Are Treated Together

The most common mental illnesses in children: anxiety, ADHD, depression, autism, OCD and tics, warning signs by age, how to talk to your child, the school's role and when to seek help — Riviera Life

6 November 2026

Mental Illness in Children: Signs by Age and When to Worry

ADHD and addiction: why the risk of substance use is higher, self-medicating with hash and stimulants, whether ADHD treatment reduces the risk and how dual diagnosis is treated — Riviera Life

6 November 2026

ADHD and Addiction: Why Is the Risk Higher and How Is It Treated?

Hoarding disorder, a psychiatric condition that stops a person discarding things: its signs and causes, the difference from OCD, its risks, how the family helps and treatment with behavioral therapy — Riviera Life

6 November 2026

Hoarding Disorder: Why Can’t Someone Throw Things Away, and How Is It Treated?

Intermittent explosive disorder, impulsive episodes of rage beyond the trigger: its signs and causes, the difference from ordinary irritability and similar illnesses, how the family can act safely and treatment options — Riviera Life

6 November 2026

Intermittent Explosive Disorder: When Anger Gets Out of Control

Cherophobia, the fear of joy and happiness: its signs and causes, the difference from depression, steps to cope, psychotherapy and when to seek a specialist — Riviera Life

6 November 2026

Cherophobia: The Fear of Happiness, Its Causes and How to Overcome It

Causes of OCD: the role of genetics, brain circuits and serotonin, how the brain learns compulsive acts, the effect of stress, childbirth and childhood infection, and risk factors — Riviera Life

6 November 2026

Causes of OCD: Why Does It Happen and What Are the Risk Factors?

Causes of hallucinations: schizophrenia, mania and psychotic depression, Parkinson's, dementia and epilepsy, drugs and alcohol withdrawal, lack of sleep, delirium, medicines and poor eyesight, and risk factors — Riviera Life

6 November 2026

Causes of Hallucinations: Psychiatric, Neurological, Drugs, Sleep and General Illness

Causes of poor concentration arranged in groups: sleep, anxiety, depression, ADHD, anemia, thyroid, substances and screens, with a table to tell them apart and when to see a doctor — Riviera Life

6 November 2026

Causes of Poor Concentration: Sleep, Anxiety, Depression, ADHD and Physical Causes

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