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Top 15 Most Common and Worst Mental Illnesses

It is believed by most of the people that mental illness is nothing serious. People don’t seem to take mental illnesses seriously which results in excruciating conditions of patients. According to WHO (World Health Organization), 1 in 5 adults suffer from some mental illness in a given year.

There are more than 200 classified forms of mental illness, some of which you may have heard. Mental illnesses can affect not only the patient but the people around them as well. If not treated cautiously the illness can cause great harm to a number of people. Below is the list of the worst and most common mental illnesses that affect people in horrifying ways.

1. Bipolar Disorder

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It is a brain disorder which results in unusual shifts in mood, energy and the ability to carry out day-to-day activities. The patient suffers from extreme mood swings ranging from mania to depression. When the mood shifts to mania or hypomania (less extreme than mania), the patient may feel excited, full of energy or unusually irritable. These mood swings affect sleep, judgement, behaviour and the ability to think.

Bipolar feels like one’s brain is a rope in a tug of war between extreme mania and crippling depression. Treatment can help a patient suffering from this condition but it cannot be cured and may last for years. There are more than 10 million cases per year in India only.

2. Schizophrenia

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This mental disorder affects a person’s ability to think, feel and behave clearly. It usually appears in either late adolescence or early adulthood. The patient suffering from this disorder hears voices and thoughts inside their head which are not particularly theirs. The voices tells them to do things that are morally wrong. Even when the person is quiet, the voices will speak repeatedly. The patient also suffers from memory loss and has difficulty in concentrating. It can literally drive a person crazy as they have no way to find a single moment of peace.

3. Borderline Personality Disorder

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This illness results in varying moods, behaviour and self-image. It often results in impulsive actions and problems in relationships. The person with BPD has trouble finding their true self, they blame people for feeling unloved and unworthy but at the same time they want people to be around them too. They play a push and pull game without even realising. It is a chronic illness and may last a lifetime.

4. Depression

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Sadly, depression is the most common of all mental disorders. It can occur at any point of life and affect a person for short or long term, depending on their response to the treatment. The treatment usually includes medication, talk-therapy sessions or sometimes both. A person who has depression feels low or depressed most of the time. They lose interest in activities, feel sad and get angry over little things. There are many cases where depression instigates a person to harm himself or commit suicide. A person suffering from depression needs constant attention and support from doctors, family and friends.

5. Antisocial Personality Disorder

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Also known as sociopathy, this mental illness makes a person ignorant of other’s feelings and have no sense of what’s right and what’s wrong. They take pleasure in other people’s pain and often get horrific thoughts about killing and torturing people. They do not like to be around people as it gets really annoying for them. A person with antisocial personality disorder will typically be deceitful, reckless and devious, and won’t regard for anyone else’s feelings. This disorder can affect the patient for a long period as it doesn’t have any proper cure.

6. Post-Traumatic Stress Disorder

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PTSD is developed in those people who have experienced a dangerous and traumatic event, and fail to recover after it. The person involuntary and vividly relives the event in the form of flashbacks, nightmares, physical sensations such as pain, sweating, trembling and distressing images or sensations. The good news is, this condition is curable with proper medical attention and could be resolved within months.

7. Dissociative Identity Disorder

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Previously called Multiple Personality Disorder, this illness is basically just a reaction to trauma so as to avoid the bad memories from the distressing event. It is basically characterised by the presence of two or more distinct personalities. Every personality is different from each other in terms for names, habits, attitude, personal history and other characteristics. It’s like having different people in one body. This disorder has inspired many movies, some of which you may have watched.

8. Obsessive Compulsive Disorder

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OCD is a common and chronic illness in which the person has reoccurring, uncontrollable thoughts (obsession) and repetitive behaviour (compulsion) that he or she feels the urge to repeat over and over. You must have seen people with OCD who cannot help their urges to clean, worry about germs or organise objects in a specific manner. They can get highly disturbed if they don’t get things done the way they want. This illness can be helped but not cured by talk therapy or medication.

9. Schizoaffective Disorder

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This mental illness is a combination of schizophrenia symptoms, such as delusions and hallucination and mood disorder, such as mania or depression. Schizoaffective disorder is a life-long illness that can affect the patient’s day to day life including school, work, friend, and other social contacts. most people with this illness have periodic episodes, when this symptoms surface. While there is no cure for this disorder, symptoms can be controlled with a combination of medication and counselling.

10. Anxiety Disorder

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Imagine sitting in a chair and getting a strong feeling that you’re about to fall but you don’t. That’s what it’s like to have anxiety disorder. People suffering from this disorder feel constant anxiety and stress for no apparent reason. Treatment for this disorder includes counselling and medication, including antidepressants. If left untreated, this illness can reduce productivity and diminish the individual’s standard of living.

11. Misophonia

Misophonia is a condition in which emotional and psychological responses are triggered by certain sounds such as dripping water, chewing, horns, pencil tapping noises and other repetitive noises. Every patient has different trigger sounds and they can become highly enraged or irritated on hearing them. It can last for years or lifelong and affects all kinds of age groups. Treatment may include therapy or lifestyle recommendations with sound proof living area or sound protection.

12. Depersonalization Disorder

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This mental condition can cause a person to experience recurring feeling of being outside of their body and a sense that what’s happening around them may not be real. The affected person may feel as if he/she is in a dream. The patient might experience lack of sensory stimulation and a sensation of not being in control of one’s body, including speech. Depersonalization disorder usually occurs during adolescence or early adulthood. Treatment of depersonalized disorder involves psychotherapy.

13. Attention Deficit Hyperactive Disorder

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Symptoms of ADHD includes inattentiveness, hyperactivity and impulsiveness. In some cases, if the patient hears a sound, that’s all he/she can think about. They have trouble focussing on more than one thing at a time. Symptoms of this condition tend to be noticed at an early age. Most cases diagnosed are between the age of 6 to 12. The symptoms of ADHD usually improves with age, but many adults who were diagnosed with this condition continue to experience problems. Treatment includes talk therapy sessions and medication.

14. Paranoid Personality Disorder

Having this disorder can destroy a family. The disordered person has an unwarranted tendency to interpret the actions of other people as threatening and demeaning. This condition is marked primarily by distrust and suspicion of others. People suffering from this illness develop paranoid thoughts about their partners in their head, which they believe are real and no persuasion or proof can change their mind. The most effective way to treat this condition, is talk therapy.

15. Excoriation Disorder

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Also known as Skin Picking Disorder or Dermatillomania, excoriation disorder is a mental illness in which a person constantly picks his/her own skin. This illness is related to Obsessive-Compulsive Disorder. It is characterized by repeated picking at one’s own skin to the extent that it causes wounds. Most people don’t know that they have it. They pick their moles, freckles, pimples and scars to smooth them and also when they are asleep or anxious. The best way to treat this condition is talk therapy and medication.

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Mimansha nayak

A 19 year old student of literature. Has a passion for reading, writing and singing. An introvert with a fondness for rain, dogs, classic songs and books. Prefers fantasy and mystery genre. A would-be novelist.

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