Ketamine Treatment for Anxiety

Anesthesiologist-led IV ketamine infusion therapy in Milford & Westport, CT — a different mechanism to quiet the racing mind when standard care hasn’t reached it.

Living braced for impact is exhausting

What is Anxiety

Anxiety is a common mental health condition characterized by persistent worry, heightened alertness, and physical tension that goes beyond typical stress responses. It involves changes in key brain systems responsible for fear processing, threat detection, and emotional regulation. When these systems become overactive, the body can remain in a prolonged state of distress, leading to symptoms such as restlessness, rapid heartbeat, irritability, difficulty concentrating, and disrupted sleep.

There are several types of anxiety disorders, including generalized anxiety disorder, panic disorder, social anxiety disorder, and specific phobias. Each presents with its own pattern of symptoms, but all share the core feature of excessive fear or worry that interferes with daily functioning. Anxiety can develop from a combination of genetic factors, life experiences, and neurobiological influences, and it often coexists with depression or other mood conditions.

Gino Ang, MD, and the team at the Ketamine Center of Connecticut specialize in ketamine infusions that safely and quickly relieve the symptoms caused by intense or treatment-resistant anxiety. To learn if you’re a good candidate for ketamine treatment, call our Milford office today to schedule an appointment.

As symptoms lift, many patients describe…

Racing thoughts slowing, the constant worry softening, physical tension releasing, restless nights easing, fearful anticipation fading, and clearer focus returning. Improvement is measured with clinically validated rating scales, so progress is tracked rather than assumed.

How ketamine may help

By acting on the brain’s glutamate system and supporting new neural connections, ketamine may quiet the overactive threat-and-worry circuitry often more quickly than medications that take weeks to build up. Treatment is delivered as a precise sub-anesthetic dose by a board-certified anesthesiologist, with hospital-grade Caretaker® monitoring throughout.

What treatment looks like

The standard protocol is a series of 6 infusions over about 12 days, each in a private room with dim lighting, music, and a clinician beside you the whole time. Most mood infusions take about 40–60 minutes, and many patients move to occasional as-needed booster infusions afterward to maintain results. We never recommend stopping your prescribed medication — ketamine is used alongside your existing care.

What many patients experience as symptoms begin to lift

Racing thoughts slow down

By influencing brain networks involved in threat detection and cognitive overactivity, ketamine can reduce the speed and intensity of racing thoughts often associated with anxiety. Many patients experience a calmer mental state as excessive internal activity begins to settle, allowing for clearer focus and improved ability to process information without constant mental pressure.

Restless nights ease

As ketamine reduces heightened arousal in the brain’s anxiety‑related circuits, many patients experience fewer nighttime awakenings and less difficulty falling asleep. This shift can support a more natural sleep pattern, allowing rest to become deeper and more restorative as overall physiological tension decreases.

Constant worry softens

By modulating neural pathways involved in excessive fear and anticipatory thinking, ketamine can reduce the intensity and frequency of persistent worry. Many patients notice that intrusive “what if” thoughts become less dominant, creating more mental space for balanced reasoning and calmer day‑to‑day functioning.

Physical tension releases

As ketamine reduces overactivity in the brain regions that drive the body’s stress response, many patients experience a gradual easing of muscle tightness, including pressure in the chest, shoulders, and neck. This reduction in physical tension often mirrors a calmer internal state, allowing the body to shift out of constant alertness and into a more relaxed baseline.

Fearful anticipation fades

Ketamine’s impact on the neural circuits involved in fear conditioning can lessen the heightened sense of impending danger that often accompanies anxiety. Many patients find that previously overwhelming situations feel more manageable as the brain’s threat response becomes less reactive, supporting clearer judgment and improved confidence in daily interactions.

Clearer focus returns

As ketamine reduces anxiety-related hyperarousal, many patients experience fewer intrusive worries competing for their attention. This shift can support improved concentration, allowing mental resources to be directed toward tasks more efficiently and with greater stability.

Learn more about what to expect on your journey.

Frequently Asked Questions

What happens when I have anxiety?

When you feel anxious, your brain releases biochemicals that energize some body systems and shut down others. This automatic reaction, called the fight-or-flight response, prepares you to deal with the cause of your anxiety.

When the threat is gone, your biochemical levels and body systems go back to normal and your anxiety disappears — unless you have an anxiety disorder. When you struggle with an anxiety disorder, your body, mind, and emotions stay on high alert even when there’s no perceived threat.

What symptoms develop due to anxiety?

Beyond feeling fear and apprehension, you may experience a wide range of emotional and physical symptoms. There are more than six types of anxiety disorders and each one has its own set of symptoms.

For example, generalized anxiety disorder (GAD) makes you feel fearful or worried nearly every day for months. You may feel tense, irritable, and restless. Many patients develop insomnia or find they can’t concentrate.

Panic disorder causes an intense physical response that resembles a heart attack. Another type of anxiety, social anxiety disorder, occurs when you fear being judged or rejected by others during social situations or when you need to perform in front of others.

How does ketamine relieve anxiety?

At a high dose, ketamine is an anesthetic used during surgery. Though it’s a small dose, it is able to balance levels of glutamate, a brain chemical associated with anxiety.

Through its direct effect on your brain, ketamine quickly relieves anxiety — often within hours — even in patients whose anxiety hasn’t improved with psychiatric medications. Ketamine may also promote new nerve growth and improve communication between nerves.

What should I expect during a ketamine infusion?

A board-certified anesthesiologist administers your ketamine through an intravenous (IV) infusion. Ketamine has a proven record of safety, but the team continuously monitors your heart rate and blood pressure using Caretaker®, a wireless device worn on your wrist. Additionally, your ketamine is delivered through a pump that precisely controls your dose.

Your treatment takes about 90 minutes, including recovery time. You may experience an inner reflective experience during your infusion, but your mind should be clear within 15 minutes after your infusion ends.

If your symptoms improve after your first two infusions, the team at Ketamine Center of Connecticut recommends a total of six treatments over 12 days. A series of infusions produces longer-lasting symptom relief. Then most patients only need occasional infusions to maintain their results.

If you suffer from ongoing anxiety, or medications haven’t helped, call Ketamine Center of Connecticut to schedule an appointment.

You don't have to feel "ready." You just have to make one call.

Ask the hard questions. No pressure just a clear conversation about whether ketamine therapy is right for you or someone you love.