What is the Difference Between MDD and Dysthymia

Thekey differencebetween MDD and dysthymiais that MDD is a type of depressive disorder that has more symptoms but lasts for a shorter period of time, while dysthymia is a type of depressive disorder that has fewer symptoms but lasts for a longer period of time.

沮丧is a common illness that can be diagnosed throughout the world. Approximately 280 million people in the world have depression. This is estimated to be 3.8% of the world’s population. Depression can cause the affected people to suffer greatly and function poorly at their day-to-day work. MDD and dysthymia are two types of depression disorders.

内容

1.Overview and Key Difference
2.What is MDD
3.What is Dysthymia
4.Similarities – MDD and Dysthymia
5.MDD vs Dysthymia in Tabular Form
6。摘要 - MDD vs心律失常

什么是MDD（主要抑郁症）？

MDD (major depressive disorder) is a type of depressive disorder that has more symptoms and lasts for a shorter period of time. Though there are many symptoms of MDD, not all of them have to be present in order to diagnose this medical condition. This condition affects 7.1% of adults in the United States. Furthermore, it is more likely to develop in females than in males. The typical symptoms may include a depressed mood that lasts for most of the day, having less interest in most activities, experiencing fatigue, feeling worthless, having difficulties in concentrating, unintentionally losing or gaining weight,失眠, experiencing a type of restless agitation called psychomotor agitation, and having frequent thoughts of death.

There are various causes for MDD. One of the causes is the size of the海马that helps people with making memories, adapting to stressful situations, and processing emotions. People who suffer from MDD have a smaller hippocampus, according to research. Moreover, MDD also reduces the amount ofgray matter in the brain，这参与了许多过程，包括语音，决策和自我控制。诊断主要是通过症状进行的。为了使医生诊断MDD，一个人必须至少经历过五种MDD症状，其中一个必须是生活中失去愉悦的症状。一个人必须经历这些症状的时间较短，例如2个月。这种疾病的治疗选择可能包括基于心理治疗的治疗方法，例如认知行为疗法，行为激活，人际心理治疗以及选择性性5-羟色胺再摄取抑制剂（SSRIS），5-羟色胺去甲肾上腺素抑制剂（SNRIS），Bubipropion，mirtazapine等药物

What is Dysthymia?

心情障碍是一种抑郁症，其症状较少，持续时间更长。心情障碍的症状包括感到沮丧，食欲不振，失眠，疲劳，尊重低，集中精力和绝望感。病毒障碍也有不同的原因。原因之一是眶额皮质和海马的大小。患有心脏障碍的人具有较小的轨道额皮层和海马，在情绪控制中起着关键作用。研究人员还认为，心脏病障碍患者会受到神经递质5-羟色胺，肾上腺素，去甲肾上腺素和谷氨酸的破坏。

For a doctor to diagnose dysthymia, a person must have at least two symptoms of dysthymia; one of them must be irritability that has lasted for at least 2 years. Furthermore, the treatment options may include psychotherapy-based treatments such as cognitive behavioural therapy and medications such as selective serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), and serotonin and norepinephrine reuptake inhibitors.

What are the Similarities Between MDD and Dysthymia?

• MDD and dysthymia are two types of depression disorders.
• The symptoms of MDD somewhat overlap with the symptoms of dysthymia.
• 抑郁障碍bac基因kground.
• Females suffer than males in both depression disorders.
• In both depression disorders, the diagnosis is based on the symptoms.
• They are treatable with psychotherapy-based treatments and medications.

MDD和心律失常有什么区别？

MDD (major depressive disorder) is a type of depressive disorder that has more symptoms, which last for a shorter period of time, while dysthymia is a type of depressive disorder that has fewer symptoms, which last for a longer period of time. Thus, this is the key difference between MDD and dysthymia. Furthermore, MDD affects 7.1% of adults in the United States, while dysthymia affects 1.5% of adults in the United States.

The below infographic presents the differences between MDD and dysthymia in tabular form for side by side comparison.

摘要 - MDD vs心律失常

MDD和心律失常是两种不同类型的抑郁症。通常，MDD的症状与心律失常的症状有些重叠。MDD是一种抑郁症，具有更多症状，持续时间较短，而心情障碍是一种抑郁症，其症状较少，持续时间更长。因此，这是MDD和心脏障碍之间的关键区别。

Reference:

1.“”Persistent Depressive Disorder (Dysthymia).” Mayo Clinic, Mayo Foundation for Medical Education and Research.
2. Kerr, Michael. “沮丧(Major Depressive Disorder).” Healthline, Healthline Media.

Image Courtesy:

1.“”沮丧（4649749639）”来自荷兰的桑德·范德·威尔（Sander van der Wel） - 沮丧(CC BY-SA 2.0)通过Commons Wikimedia
2. “A woman diagnosed as suffering from melancholia. Colour lith Wellcome L0026686“ 经过Welcome Gallery(CC-BY-4.0)通过Commons Wikimedia