Symptoms are often mild or moderate.

This problem lasts for two years or longer.

“Persistent depressive disorder” is a somewhat new term.

group therapy session

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It is used to combine what was called dysthymia and chronic major depressive disorder in the past.

As with other types of chronic depression, people with this problem deal with feelings of deep sadness.

They often live with a low, dark mood that may last for years.

PDD is less severe but may last longer than major depressive disorder (MDD).

Most people with PDD canmanage symptomsusing prescribed drugs andtalk therapy.

Without treatment, people with PDD have a higher risk of major depression.

This article includes all you better know about PDD.

It describes PDD symptoms, risk factors, diagnosis, treatment, and outlook.

These symptoms typically develop slowly, beginning in childhood or young adulthood.

PDD tends to be milder than episodes that occur inmajor depressive disorder(also called clinical depression).

A person with PDD has all the following characteristics:

What Causes PDD?

Scientists do not know the exact causes of PDD.

Research indicates that it likely involves a combination of genetic, biological, environmental, and psychological factors.

However, getting an accurate diagnosis can help you improve symptoms and live a better quality of life.

Research indicates that medication and psychotherapy together are more effective than using either treatment alone.

Medication

Medication for PDD involves the use of an antidepressant.

Several types of antidepressants treat PDD.

Research indicates no significant differences among the various types of psychotherapy in treating depression.

These lifestyle changes include the following:

Does PDD Ever Go Away?

PDD is a chronic condition that can last for many years.

It’s difficult to predict how long your symptoms will last.

Many people continue to have symptoms despite continuous treatment.

PDD is more likely to last longer without treatment and affect your quality of life.

Living with untreated PDD also increases your risk of developing a more intense form of depression.

When to See a Healthcare Provider

Ignoring symptoms of PDD increases the chances of your problem worsening.

Symptoms can involve feelings of deep sadness.

These dark feelings can begin in childhood or early adulthood.

They may last for years due to the chronic nature of this problem.

With a proper diagnosis and treatment, people with PDD can often improve their quality of life.

Treatment involves using a combined approach of prescribed drugs and talk therapy.

Making certain lifestyle changes can also help you improve.

Do not ignore PDD symptoms.

If left untreated, PDD symptoms can get worse.

American Academy of Family Physicians.Persistent depressive disorder (PDD).

National Institute of Mental Health.Persistent depressive disorder (dysthymic disorder).

Harvard Health Publishing: Harvard Medical School.Persistent depressive disorder (dysthmia).

Administration SA and MHS.Table 3.

5, dsm-iv to dsm-5 dysthymic disorder comparison.

National Institute of Mental Health.What is depression?

St. Clair Health.Persistent depressive disorder.

Park LT, Zarate CA.Depression in the primary care setting.N Engl J Med.

2019;380(23):2279-2280. doi:10.1056/NEJMc1903259

Anxiety & Depression Association of America.Treatment & management.

MIT Medical.FAQ: antidepressants.

2021;9(31):9350-9367. doi:10.12998/wjcc.v9.i31.9350

Mount Sinai.Persistent depressive disorder.