Anxiety attacks aren't solely caused by a simple "chemical imbalance," but rather a complex mix of factors, including neurotransmitter activity (like serotonin, GABA, norepinephrine), genetics, brain structure (amygdala), and environmental stressors, with imbalances being a contributing factor, not the sole cause. While chemicals play a role, the idea of a single imbalance being the root cause is largely considered an oversimplification, with current understanding pointing to intricate interactions between brain chemistry, neural pathways, and life experiences.
Chemical imbalances: Several neurotransmitters and hormones play a role in anxiety, including norepinephrine, serotonin, dopamine and gamma-aminobutyric acid (GABA). Imbalances in these chemicals can contribute to an anxiety disorder.
Anxiety is the body's reaction to stress and can occur even if there is no current threat. While occasional stress and anxiety are normal, they shouldn't control your life. If anxiety doesn't go away and begins to interfere with your daily activities, you may have an anxiety disorder.
Physical symptoms during a panic attack may include:
A big event or a buildup of smaller stressful life situations may trigger excessive anxiety — for example, a death in the family, work stress or ongoing worry about finances. Personality. People with certain personality types are more prone to anxiety disorders than others are. Other mental health disorders.
Neurological Conditions
Many disorders of the brain can look like anxiety because they sometimes cause symptoms like headaches, memory problems, and tremors. They can also trigger anxiousness, fast heartbeat, and shortness of breath.
It's not yet known what causes panic attacks, but certain factors may play an important role, including genetics, mental health conditions, major stress or having a predisposition to stress.
One important step in reversing the anxiety cycle is gradually confronting feared situations. If you do this, it will lead to an improved sense of confidence, which will help reduce your anxiety and allow you to go into situations that are important to you.
As such, having a “chemical change” or “pressure-like” feeling in parts of the body is a common anxiety sensation. For instance: The stress response changes blood pressure. Consequently, a sudden stress response can cause a sudden change in blood pressure, which can be felt like a “chemical surge.”
Most panic attacks last between 5 and 20 minutes. Some have been reported to last up to an hour. The number of attacks you have will depend on how severe your condition is. Some people have attacks once or twice a month, while others have them several times a week.
Ask for consent before providing physical comfort and respect any requests to stop touching immediately. In some cases, people need space to focus on their thoughts and regain their composure. Hugging someone who doesn't want to be touched during an attack may make anxiety worse.
Panic attacks happen suddenly and feel overwhelming, while anxiety attacks develop gradually and are often linked to long-term stressors. Panic attacks bring intense physical symptoms that peak quickly and then fade, whereas anxiety attacks cause persistent worry that lingers for a longer period.
2. Symptoms of a Chemical Imbalance in the Brain
Low levels of serotonin have been associated with anxiety and depression. Selective serotonin reuptake inhibitors (SSRIs), commonly prescribed to treat anxiety disorders, work by increasing the amount of serotonin available in the brain, thereby alleviating symptoms.
Depression or anxiety: Low estrogen, testosterone, or thyroid hormone levels can lead to mood swings, irritability, or depression. Elevated cortisol may contribute to anxiety or panic attacks.
The #1 worst habit for anxiety isn't singular, but avoidance (procrastination), poor sleep, and negative thought patterns (like catastrophizing) are top contenders, creating vicious cycles where anxiety fuels these behaviors, and the behaviors, in turn, worsen anxiety by preventing healthy coping and creating more stress. Other significant habits include excessive caffeine, poor diet, too much screen time, and social withdrawal, all disrupting the body's ability to manage stress effectively.
Simple movement like walking or doing deep knee bends, or any form of exercise that's comfortable for you. It can help flush stress chemicals out of your body." Turn up the music. Research shows that even a short session of focusing on calming music can lower anxiety and improve your mood.
Here are some things that can cause anxiety to come and go: Fluctuating Stress Levels: Daily stressors can ebb and flow, leading to corresponding changes in anxiety levels. Underlying Medical Conditions: Certain medical conditions, such as thyroid problems or hormonal imbalances, can contribute to anxiety symptoms.
Difficult experiences in childhood, adolescence or adulthood are a common trigger for anxiety problems. Going through stress and trauma when you're very young is likely to have a particularly big impact. Experiences which can trigger anxiety problems include things like: physical or emotional abuse.
Because anxiety attack symptoms are similar to those of a panic attack, they are often thought to be the same thing. But they are, in fact, different. Adding to the confusion, in some cases, an anxiety attack can arise without any knowable trigger at all.
People often describe a panic attack to feeling like they are going to pass out, explains Chapman. The heart may feel as if it's beating very hard or racing. “If someone feels as if they're losing control during a panic attack, they might start holding their chest and changing their breathing,” says Chapman.
OCD is often misdiagnosed as generalized anxiety, leading to less effective interventions. PTSD can ignite anxiety symptoms associated with hypervigilance. A variety of physical health conditions can cause symptoms of anxiety.
Low levels of some electrolytes, like sodium, can lead to cognitive issues, like confusion, problems concentrating, or memory changes. Changes in calcium levels may lead to changes in your mood, like irritability, anxiety, or depression.