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Anxiety vs. Depression: The Warning Signs You Shouldn’t Ignore (And When to Get Help)

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Written by Andrew Le, MD.
Medically reviewed by
Last updated June 28, 2025

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Have you ever felt like something is wrong but can’t quite figure out what it is? Maybe you feel nervous all the time, or perhaps you feel sad and tired, but don’t know why. It can be confusing to tell whether you are dealing with anxiety, depression, or both at the same time.

Anxiety and depression are two of the most common mental health conditions. They can happen separately, but they also often occur together. Both can affect the way you think, feel, and handle daily life. The tricky part is that some of their symptoms are very similar, which can make it hard to know what you are experiencing.

Learning the difference between anxiety and depression is an important first step in getting the right help. Recognizing the warning signs early can make a big difference in how you manage your mental health. This guide will help you understand how these two conditions are alike, how they are different, and when it’s time to reach out for support.

What Is Anxiety?

Anxiety is more than feeling nervous or stressed. It is a mental health condition that causes constant fear, worry, or dread, even when there is no real danger. While it is normal to worry about things like exams, money, or family, anxiety becomes a problem when the fear does not go away and starts to affect daily life.

People with anxiety often feel stuck in a cycle of “what if” thoughts. They may overthink, expect the worst, or feel unable to relax. An expert explains that anxiety shows up through both emotional and physical symptoms.

Common emotional signs of anxiety include:

  • Constant worrying
  • Overthinking situations or decisions
  • Imagining the worst-case scenarios
  • Feeling fearful or full of dread
  • Trouble relaxing
  • Restlessness or feeling “on edge”
  • Difficulty focusing

Common physical signs of anxiety include:

  • Muscle tension
  • Chest tightness
  • Racing heartbeat
  • Shortness of breath
  • Fatigue or feeling easily tired

According to research, anxiety disorders affect more than 40 million adults in the United States each year. If ignored, anxiety can lead to serious problems with both mental and physical health. Knowing the signs early can help you take steps to get the right support.

What Is Depression?

Depression is a mental health condition that goes far beyond feeling sad or having a bad day. It causes deep feelings of sadness, emptiness, or hopelessness that last most of the day, nearly every day, for at least two weeks. According to studies, depression is not just about emotions. It affects how you think, feel, and function in your daily life.

When someone has depression, even simple tasks like getting out of bed, going to work, or taking a shower can feel overwhelming. Things that once brought joy may no longer seem interesting or enjoyable.

Common signs of depression include:

  • Feeling sad, empty, or hopeless
  • Losing interest in hobbies or activities
  • Feeling tired or having low energy
  • Changes in sleep, like sleeping too much or not enough
  • Appetite changes, leading to weight gain or weight loss
  • Feeling restless or unusually slowed down
  • Having trouble concentrating or making decisions
  • Feeling worthless, guilty, or full of self-blame
  • Unexplained aches and pains, like headaches or back pain
  • Thinking about self-harm or suicide

According to the National Institute of Mental Health, about 21 million adults in the United States have experienced at least one major depressive episode. Depression can be mild, moderate, or severe, but no matter the level, it is important to seek help. The sooner it is addressed, the sooner healing can begin.

Similarities Between Anxiety and Depression

Anxiety and depression are different conditions, but they share some common symptoms. Both can affect how you think, feel, and function. When you struggle with either one, it can make daily tasks feel harder and leave you feeling stuck.

Many people experience both mental and physical symptoms that overlap between anxiety and depression. This is one reason why it can sometimes be difficult to tell them apart.

Common symptoms shared by anxiety and depression include:

  • Digestive problems, like stomach aches or nausea
  • Changes in appetite or weight
  • Trouble falling asleep or staying asleep
  • Feeling restless or easily irritated
  • Difficulty focusing or making decisions
  • Feeling tired or having low energy

These shared symptoms can make life feel overwhelming. If you notice any of these signs affecting your day-to-day life, it is important to check in with a healthcare provider. Getting the right diagnosis is the first step toward feeling better.

Key Differences Between Anxiety and Depression

Even though anxiety and depression share some symptoms, they also have key differences. Understanding how they feel different can help you figure out what you might be going through.

One major difference is how they affect your energy and thoughts. Anxiety often feels like your mind is racing. You may feel restless, on edge, and filled with constant worry about what might go wrong. Your body can feel tense, and you may struggle to relax.

On the other hand, depression feels more like a heavy weight. You may feel drained, empty, and hopeless. Instead of worrying about the future, you may lose interest in things that once mattered and struggle to find motivation.

Main differences between anxiety and depression:

  • Energy levels: Anxiety feels like being overly alert or tense. Depression feels like having low energy or exhaustion.
  • Thought patterns: Anxiety is filled with worry, fear, and “what if” thinking. Depression involves hopelessness, sadness, and a lack of purpose.
  • Outlook on life: Anxiety is fear about what could happen. Depression is sadness or despair about life, the future, or yourself.

The key question to ask yourself is, “What mood is getting in the way the most?” If it’s constant worry and fear, it may be anxiety. If it’s deep sadness and lack of motivation, it may be depression. Sometimes, it can be both.

Can You Have Both?

Yes, it is possible to have both anxiety and depression at the same time. In fact, it is very common. According to the Anxiety and Depression Association of America, nearly half of the people who are diagnosed with depression also experience an anxiety disorder.

Sometimes, one condition can lead to the other. For example, someone with constant worry and fear might start feeling exhausted, hopeless, or overwhelmed over time, which can turn into depression. On the other hand, a person dealing with depression might start to worry about things they can’t manage or fear that things will never get better, which can lead to anxiety.

This creates a cycle where both conditions feed into each other. For example, avoiding friends because of social anxiety can lead to loneliness, which can trigger feelings of sadness and hopelessness. Or someone with depression may feel anxious about falling behind at work, school, or household tasks.

When depression comes with anxious distress, it can make things feel even more overwhelming. This combination can sometimes raise the risk of self-harm if left untreated. That is why it is important to recognize when both are happening and get the right kind of support that treats both conditions together.

When to Get Help

Knowing when to ask for help is very important. Both anxiety and depression can start small but grow worse over time if left untreated. You do not need to wait until things feel unbearable to reach out for support.

If you have been feeling sad, hopeless, or have lost interest in things for at least two weeks, it may be a sign of depression. Experts explain that these symptoms do not need to last for months to be serious. Two weeks of feeling this way is enough reason to get help.

The same goes for anxiety. If constant worry, fear, or nervousness is making it hard to do daily tasks like working, studying, or spending time with family, it’s time to speak with a mental health professional. Anxiety becomes a problem when it gets in the way of living your life.

It is also important to get help if you notice signs of both anxiety and depression happening together. This combination can be harder to manage alone, and treating both at the same time is key to feeling better.

You can start by talking to your family doctor, a therapist, or a counselor. There are also free hotlines and support groups ready to help when you need it. Remember, asking for help is a brave step toward healing.

Treatment Options

The good news is that both anxiety and depression can be treated. With the right help, many people learn how to manage their symptoms and improve their lives.

One of the most effective treatments is psychotherapy, also called talk therapy. According to studies, a type of therapy called Cognitive Behavioral Therapy (CBT) helps people change negative thoughts and behaviors that affect how they feel.

Some people may also need medication, especially if their symptoms are more serious. According to studies, certain medications like Selective Serotonin Reuptake Inhibitors (SSRIs) are often used because they help with both anxiety and depression.

Other helpful tools include building a strong support system and learning ways to take care of your mental health.

Common treatment options for anxiety and depression include:

  • Psychotherapy or talk therapy
  • Cognitive Behavioral Therapy (CBT)
  • Medication, such as SSRIs
  • Joining support groups
  • Practicing regular self-care
  • Learning coping skills for stress
  • Building support from family and friends

Choosing the right treatment can make a big difference. The most important step is to reach out for help and remember that recovery is possible.

Conclusion

Anxiety and depression are different but often connected. Both can affect how you think, feel, and live each day. Knowing the signs and how they are alike or different is an important step toward getting help. If you often feel worried, sad, or stuck, you do not have to face it alone. Support and treatment are available, and recovery is possible. Have you noticed these signs in yourself or someone you care about? If so, reaching out for help can make a big difference. Your mental health matters.

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The stories shared below are not written by Buoy employees. Buoy does not endorse any of the information in these stories. Whenever you have questions or concerns about a medical condition, you should always contact your doctor or a healthcare provider.
Jeff brings to Buoy over 20 years of clinical experience as a physician assistant in urgent care and internal medicine. He also has extensive experience in healthcare administration, most recently as developer and director of an urgent care center. While completing his doctorate in Health Sciences at A.T. Still University, Jeff studied population health, healthcare systems, and evidence-based medi...
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