Understanding Common Mental Health Disorders: A Comprehensive Guide

Srinath Vemula
May 3
5 min read

Mental health is an essential part of overall well-being, yet it is often misunderstood or overlooked. Mental health disorders affect millions of people worldwide, and raising awareness about them is critical to shifting perceptions and encouraging those who need help to seek it. In this blog post, we will explore some of the most common mental health disorders, their symptoms, and why it’s essential to support those experiencing them.

1. Anxiety Disorders

Anxiety disorders are among the most prevalent mental health conditions, affecting millions of individuals globally. While everyone experiences occasional anxiety—like before a big exam or job interview—anxiety disorders are more severe and persistent, interfering with daily life.

Types of Anxiety Disorders:

Generalized Anxiety Disorder (GAD): This condition is characterized by chronic worry and tension, often without a specific cause (Munir & Takov, 2021). People with GAD may find it difficult to control their anxiety, leading to fatigue, restlessness, difficulty concentrating, and muscle tension (Munir & Takov, 2021).
Panic Disorder: Individuals with panic disorder experience sudden, intense episodes of fear, known as panic attacks. These attacks often mimic the symptoms of a heart attack, including chest pain, shortness of breath, and dizziness (Albano & Silverman, 2024).
Social Anxiety Disorder: This disorder involves an intense fear of being judged or embarrassed in social situations (Rose & Tadi, 2021). It can cause individuals to avoid public interactions, affecting their personal and professional lives.

Symptoms of Anxiety Disorders:

Restlessness or a sense of being “on edge” (Szuhany & Simon, 2022)
Rapid heart rate and sweating (Szuhany & Simon, 2022)
Excessive worrying about everyday situations (Szuhany & Simon, 2022)
Sleep disturbances and fatigue (Szuhany & Simon, 2022)
Avoidance of feared situations or activities (Szuhany & Simon, 2022)

Why Is This Important?

Anxiety disorders can significantly affect one’s ability to function in everyday life. Early intervention and treatment—often involving therapy and medication—can help manage the symptoms and improve their quality of life.

2. Depressive Disorders

Depressive disorders are more than just feeling sad or having a bad day. They involve persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities once they once enjoyed. Depression can range from mild to severe and can affect anyone, regardless of age, background, or ethnicity.

Types of Depressive Disorders:

Major Depressive Disorder (MDD): MDD is characterized by at least two weeks of persistent low mood, loss of interest in activities, and significant impairment in daily functioning (Bains & Abdijadid, 2021).
Persistent Depressive Disorder (Dysthymia): This is a chronic form of depression where symptoms are less severe than MDD but last for at least two years. People with dysthymia often feel generally unwell or “down” for extended periods (Wang et al., 2024).

Symptoms of Depression:

Feelings of sadness, hopelessness, or emptiness (Ma et al., 2022)
Fatigue and lack of energy (Ma et al., 2022)
Changes in appetite and sleep patterns (Ma et al., 2022)
Difficulty concentrating or making decisions (Ma et al., 2022)
Thoughts of death or suicide (Ma et al., 2022)

Why Is This Important?

Depression is a leading cause of disability worldwide, affecting the ability to work, maintain relationships, and enjoy life. Seeking treatment, which can include therapy, medication, and lifestyle changes, is life-changing in terms of recovery.

3. Bipolar Disorder

Bipolar disorder, formerly known as manic-depressive illness, is characterized by extreme mood swings that range from emotional highs (mania or hypomania) to lows (depression). These episodes can disrupt a person’s ability to function in their day-to-day life and could last for days, weeks, or even months.

Types of Bipolar Disorder:

Bipolar I Disorder: Involves severe manic episodes lasting at least seven days or manic symptoms so severe that immediate hospitalization is necessary. Depressive episodes also occur, often lasting at least two weeks (Amazu et al., 2024).
Bipolar II Disorder: Involves hypomanic episodes (less severe than mania) and depressive episodes, but without the full-blown manic episodes seen in Bipolar I (Parker, 2012).

Symptoms of Bipolar Disorder:

Manic Symptoms: Elevated mood, increased energy, reduced need for sleep, impulsive behavior, and grandiose thoughts (Alaei et al., 2022).
Depressive Symptoms: Low energy, feelings of worthlessness, loss of interest in activities, and difficulty concentrating (Adhikari et al., 2024).

Why Is This Important?

Bipolar disorder requires long-term management, often including mood stabilizers, psychotherapy, and lifestyle changes. With proper treatment, individuals can lead fulfilling lives despite the condition.

4. Obsessive-Compulsive Disorder (OCD)

Obsessive-Compulsive Disorder (OCD) is a condition where individuals experience recurring, unwanted thoughts (obsessions) that cause anxiety, and engage in repetitive behaviors (compulsions) to try to reduce that anxiety. These compulsions, while intended to reduce distress, can become time-consuming and interfere with daily functioning.

Common Obsessions:

Fear of contamination (e.g., germs) (Villegas et al., 2014)
Fear of harming oneself or others (Villegas et al., 2014)
Intrusive, unwanted thoughts about taboo topics (Villegas et al., 2014)

Common Compulsions:

Excessive hand washing or cleaning (Villegas et al., 2014)
Checking things repeatedly (e.g., locks, appliances) (Villegas et al., 2014)
Counting or repeating certain words or phrases (Villegas et al., 2014)

Why Is This Important?

OCD can significantly impair quality of life, but treatment—usually a combination of cognitive-behavioral therapy (CBT) and medication—can help individuals manage their symptoms and regain control

5. Post-Traumatic Stress Disorder (PTSD)

Post-Traumatic Stress Disorder (PTSD) occurs after someone experiences or witnesses a traumatic event, such as a natural disaster, serious accident, or assault. PTSD can cause severe distress and disrupt daily life, often months or even years after the event.

Symptoms of PTSD:

Flashbacks or nightmares about the traumatic event (Sartor et al., 2023)
Severe anxiety and emotional distress (Sartor et al., 2023)
Avoidance of reminders of the trauma (Sartor et al., 2023)
Negative changes in mood or thinking (e.g., feelings of guilt or blame) (Sartor et al., 2023)
Hyperarousal (e.g., being easily startled, irritability) (Sartor et al., 2023)

Why Is This Important?

PTSD affects both veterans and civilians and can have long-lasting effects if not treated. Therapy, particularly trauma-focused cognitive-behavioral therapy (CBT), along with medication, is often effective in managing PTSD symptoms among victims.

Works Cited

Adhikari, MD, Akriti, et al. "Depression: Symptoms, Causes, and Effective Coping Strategies." The American Journal of Patient Health Info, vol. 1, no. 01, 10 July 2024. The American Journal of Patient Health Info, https://doi.org/10.69512/ajphi.v1i01.43.

Alaei, Solmaz, et al. "Identifying Recent Manic Symptoms by Newly Discharged Patients with Bipolar Disorder." Medical Journal of the Islamic Republic of Iran, 15 Feb. 2022. medical journal of the islamic republic of iran, https://doi.org/10.47176/mjiri.36.38.

Albano, Anne Marie, and Wendy K. Silverman. "Panic Disorder." Anxiety and Related Disorders Interview Schedule for DSM-5, Child and Parent Version, Apr. 2024, pp. 44-49. Oxford Academic, https://doi.org/10.1093/med-psych/9780199348381.003.0010.

Flanagan, Rosemary, et al. Cognitive and Behavioral Interventions in the Schools : Integrating Theory and Research into Practice. Springer, 2015. SpringNature Link.

Gordon, Parker. "Bipolar II Disorder." null (2012).

Gregory, M., Rose., Prasanna, Tadi. "Social Anxiety Disorder." null (2021).

Ma, Simeng, et al. "The Central Symptoms of Depression, Anxiety, and Somatization: A Network Analysis." All Life, vol. 15, no. 1, 6 Sept. 2022, pp. 933-41. Taylor and Francis, https://doi.org/10.1080/26895293.2022.2120091.

Navneet, Bains., Sara, Abdijadid. "Major Depressive Disorder." null (2021).

Okpaleke Amazu, Chetanna, et al. "Managing a Complex Case of Bipolar Disorder in a Patient with Recurrent Hospitalizations." Cureus, 10 July 2024. Cureus, https://doi.org/10.7759/cureus.64271.

Sadaf, Munir., Veronica, Takov. "Generalized Anxiety Disorder." null (2021).

Szuhany, Kristin L., and Naomi M. Simon. "Anxiety Disorders." JAMA, vol. 328, no. 24, 27 Dec. 2022, p. 2431. JAMA, https://doi.org/10.1001/jama.2022.22744.

Wang, Wei, et al. "Notable Dysthymia: Evolving Trends of Major Depressive Disorders and Dysthymia in China from 1990 to 2019, and Projections until 2030." BMC Public Health, vol. 24, no. 1, 13 June 2024. BMC Public Health, https://doi.org/10.1186/s12889-024-18943-7. Accessed 22 Oct. 2024.

Zachary, Sartor., Lance, P., Kelley., Ryan, Laschober. "Posttraumatic Stress Disorder: Evaluation and Treatment.." American Family Physician, 107 3 (2023).:273-281. Assessed and Endorsed by the MedReport Medical Review Board