Depression vs. sadness: what is the difference?

Clinically reviewed by Dr. Chris Mosunic, PhD, RD, CDCES, MBA

Explore the definition of clinical depression, including symptoms and risk factors. Plus, 6 differences between depression vs sadness and when to get help.

Sadness is a regular part of all of our lives, but usually the feeling fades as our circumstances improve or when we come to terms with our experiences. Depression, on the other hand, doesn’t come and go as simply.

Understanding the difference between depression and sadness can help us identify whether what we're feeling is a temporary emotional state or a more serious mental health condition. And recognizing whether we or someone we know is experiencing sadness or depression can be the first step toward addressing the issue. While everyone feels sad at times, persistent and intense feelings of despair aren’t something to handle alone.

 

What is depression? A clinical overview (plus symptoms to look out for)

Depression is a recognized mental health disorder that affects millions of people worldwide. It's a condition that consistently impacts how a person feels, thinks, and behaves. The clinical definition of depression refers to a range of symptoms that are severe enough to last for at least two weeks and often much longer, profoundly impacting a person’s life. 

According to the DSM-5—a guide used by healthcare professionals to diagnose mental disorders—someone might be diagnosed with depression if they experience five or more specific symptoms during the same two-week period. These symptoms must represent a change and include at least one of the following:

  • A depressed mood most of the day, nearly every day

  • A noticeable decrease in interest or pleasure in all, or almost all, activities most of the day, nearly every day

Other symptoms can include: 

  • Significant weight loss when not dieting, weight gain, or decrease or increase in appetite

  • Insomnia or sleeping too much

  • Restlessness or slowed behavior that can be observed by others

  • Fatigue or loss of energy

  • Feelings of worthlessness or excessive guilt

  • Difficulty thinking, concentrating, or making decisions

  • Recurrent thoughts of death or suicide, which may include suicide attempts

Depression can cause different symptoms in different people. The condition is complex, with various factors contributing to its onset, including genetics, brain chemistry, personality, and life events. Despite its challenges, depression is treatable, and many people find relief through a combination of therapy, medication, lifestyle changes, and support.

💙 If you’re dealing with symptoms of depression, our Easing Depression series is one tool to help you cope. 

 

What is sadness? 

Sadness is a natural emotion that everyone experiences at different times in their lives. It can be triggered by specific situations or events, such as a setback, loss, or disappointment. For example, we might feel sad after saying goodbye to a friend, experiencing a failure, or hearing upsetting news. This feeling is typically linked to a particular cause, and as the situation changes or as we adapt to it, the sadness lessens.

Sadness can allow us to reflect on our experiences, develop empathy for others, and grow from our challenges. Feeling sad is an indication that we care deeply about different aspects of our lives.

It’s important to note that sadness is temporary. While it can feel intense, it doesn't usually overwhelm our ability to live our lives. When we're sad, we might cry, withdraw, or seek comfort, but these responses don't typically persist in a way that significantly hampers our daily functioning.

However, we must learn to recognize when sadness is a signal of something more serious. For instance, if sadness is prolonged and starts to affect our ability to function, it may be depression. Understanding this difference helps in determining whether what we're feeling is a normal response to life's ups and downs or something that might need professional attention.

💙 Just because it’s common, doesn’t mean it’s easy. Let this Face Difficult Emotions meditation help you connect to how you’re feeling.

 

6 differences between depression and sadness

While both depression and sadness can involve feelings of unhappiness, they differ significantly. 

1. Duration and persistence

Sadness is an emotion that comes and goes. Depression can last for weeks, months, or even longer.

2. Impact on daily life

Sadness doesn't usually prevent you from participating in your daily activities. While you might feel disheartened, you can generally continue with your routine. On the other hand, depression significantly impairs daily functioning. It can affect your ability to work, study, eat, sleep, and enjoy activities you once enjoyed.

3. Intensity

Sadness isn’t typically overwhelming or all-consuming. However, depression is intense and pervasive. It can be an overwhelming despair that can feel unmanageable.

4. Physical symptoms

Depression often manifests physically, as well as emotionally. It can lead to significant changes in appetite and sleep, physical aches and pains, and a lack of energy. While sadness might occasionally affect sleep or appetite, it doesn't produce the prolonged physical symptoms seen in depression.

5. Self-esteem

Sadness doesn't usually bring about a persistent feeling of worthlessness or self-loathing. Depression, however, can bring a very negative view of ourselves. It can also cause us to feel hopeless or harbor intense feelings of guilt.

6. Thoughts of death or suicide

While sadness can make life seem harder, depression may lead to thoughts of death or suicide. This is one reason why it's such a serious condition.

 

Understanding the risk factors of depression

There are several factors that increase the likelihood of developing depression. Recognizing these elements can aid in early detection and intervention, which can help in effective treatment and recovery.

  1. Genetics: A family history of depression can increase the likelihood of developing the condition.

  2. Brain chemistry: Imbalances in the brain's neurotransmitters can influence mood regulation, contributing to depression.

  3. Life events: Traumatic or stressful events, such as the loss of a loved one, financial problems, or a breakup, can lead to depression.

  4. Medical conditions: Chronic illnesses, such as diabetes, heart disease, or cancer can be factors.

  5. Substance use: Abuse of alcohol or drugs can lead to or worsen depression.

  6. Personality: People with certain personality traits, such as low self-esteem or being overly dependent, pessimistic, or self-critical, may be more prone to depression.

 

How to know when to get help

If your feelings of sadness persist for more than two weeks and are intense enough to interfere with your daily life, you might be experiencing depression. Unlike typical sadness, depression doesn't ease up over time. In fact, it can persist and worsen if left untreated. Early intervention can lead to better outcomes, so if you suspect that you or someone close to you is dealing with depression, seek professional advice as quickly as possible. 

Depression is treatable, and with the right support, you can regain your sense of wellbeing and enjoy a fulfilling life.

  • Talk about it: Sometimes, talking to someone you trust can be a first step toward healing. Opening up about your feelings can provide relief and might encourage you to seek professional help.

  • Professional support: A mental health professional can diagnose and recommend treatment. This might include therapy, medication, or a combination of both.

  • Use available resources: Hotlines, mental health websites, and local support groups can provide support with depression, in addition to individual professional help.

💙 Check out our Rethinking Depression masterclass for even more resources when you face symptoms of depression. 

If you or someone you know is experiencing thoughts of death or suicide, reach out to a mental health professional or a crisis hotline. The International Association for Suicide Prevention has a list of crisis centers in different parts of the world. 

In the US, those experiencing suicidal ideation can call or text 988 for the 988 Suicide & Crisis Lifeline. It's available 24 hours every day and is free and private. They also have a Lifeline Chat. Contact emergency services if you’re concerned that someone has or will harm themselves.

 

Depression vs. sadness FAQs

How can I tell if I'm experiencing sadness or depression?

To distinguish between sadness and depression, think about the duration, intensity, and impact of your feelings. Sadness is a temporary emotion that usually connects to a specific event and fades over time. It doesn't significantly hinder your daily activities or sense of self-worth. Depression lasts longer, is more intense, and affects aspects of your life including appetite, sleep, and ability to enjoy activities. If your feelings are persistent, overwhelming, and affecting your daily life, seek professional help.

Can sadness lead to depression if left unaddressed?

Sadness is a normal emotional response, but if it's prolonged or if you're struggling to cope with it, it can potentially deepen into a more serious condition like depression, especially if you have other risk factors. You can address persistent sadness by talking to someone you trust or seeking help from a mental health professional. Developing healthy coping strategies and seeking support can help prevent sadness from turning into depression.

What are the treatment options for depression?

Depression is treatable with various approaches, depending on your needs. Common treatments include psychotherapy, where talking to a therapist can provide insights and strategies to manage depression. Medications, such as antidepressants, can help balance chemicals in the brain that affect mood. Lifestyle changes, like regular physical activity, a healthy diet, and sufficient sleep, can also improve symptoms. Sometimes, a combination of these treatments is most effective. It's important to work with healthcare providers to find the right treatment plan for you.

How does the DSM-5 define depression, and why is it important?

The DSM-5 outlines specific criteria for diagnosing depression, including experiencing five or more symptoms of depression over at least two weeks, with one of the symptoms being either a depressed mood or loss of interest in activities. This definition helps healthcare professionals diagnose and treat depression effectively to ensure people receive appropriate care. It can also help researchers understand and study depression effectively.

Are there preventative measures for depression?

While not all cases of depression can be prevented, certain strategies can reduce the risk. These include building strong relationships, practicing stress management techniques, maintaining a healthy lifestyle, and seeking help when dealing with prolonged sadness or stress. 

Being proactive about your mental health, such as engaging in regular physical activity, ensuring adequate sleep, and eating a balanced diet can also support emotional wellbeing. If you have a family history of depression, it's important to be aware of your mental health and seek early intervention if needed.


Calm your mind. Change your life.

Mental health is hard. Getting support doesn't have to be. The Calm app puts the tools to feel better in your back pocket, with personalized content to manage stress and anxiety, get better sleep, and feel more present in your life. 

Images: Getty

 
Previous
Previous

Does walking for mental health actually improve wellbeing?

Next
Next

How to have fun without alcohol? Try these 24 activities