What If a Panic Attack Follows Cannabis Use?

If a panic attack follows cannabis use, stop using cannabis, move to a calm and safe place, and focus on slow breathing while the effects pass. Do not drive or take more substances to counter the feeling. Seek urgent medical help if symptoms are severe, unusual, worsening, or difficult to distinguish from a medical emergency. In a crisis, call 988 or 911.

A frightening reaction does not automatically mean that someone has panic disorder or cannabis use disorder. It does, however, deserve attention, especially when panic recurs, cannabis use continues despite harm, or anxiety and substance use begin reinforcing each other.

What may be happening in the moment

A panic attack can involve an abrupt surge of fear accompanied by physical sensations such as a racing heart, sweating, trembling, dizziness, shortness of breath, chest discomfort, nausea, or a sense of losing control. The National Institute of Mental Health explains panic symptoms and panic disorder, including the difference between an isolated attack and a recurring condition.

After cannabis use, these sensations may feel especially alarming. Fear about the sensations can then intensify them. Because symptoms such as chest pain, breathing difficulty, or faintness may also occur in medical emergencies, it is important not to assume that cannabis or panic is the only explanation.

What to do during a suspected panic attack

The immediate priorities are safety, reducing stimulation, and avoiding actions that could create additional risk.

• Stop using cannabis and do not add alcohol, stimulants, sedatives, or other substances.
• Sit in a quiet, safe place and loosen restrictive clothing if doing so feels comfortable.
• Breathe slowly, allowing the exhale to last slightly longer than the inhale without forcing deep breaths.
• Remind yourself that intense panic sensations can rise and fall, even when they feel overwhelming.
• Ask a trusted, calm person to stay nearby if their presence feels reassuring.
• Avoid driving, cooking, swimming, or other activities that require coordination and clear judgment.

If symptoms include severe chest pain, marked trouble breathing, loss of consciousness, a seizure, dangerous confusion, or concern about immediate safety, call 911. If there are thoughts of suicide, self-harm, or another behavioral health crisis, call 988 or 911.

How to decide what happens next

Once the immediate episode has passed, consider whether this was isolated or part of a broader pattern. A single episode may still warrant discussion with a medical or behavioral health professional, particularly if symptoms were intense or medically concerning.

Prompt professional support becomes more important when:

• Panic returns during or after cannabis use, or begins happening when sober.
• You avoid normal activities because you fear another attack.
• You use cannabis to manage anxiety but notice that it sometimes worsens anxiety.
• You have tried to reduce or stop cannabis use but have been unable to do so.
• Cannabis use is affecting relationships, responsibilities, judgment, or emotional stability.
• You are also experiencing depression, trauma-related symptoms, sleep disruption, or use of other substances.

The CDC describes signs associated with cannabis use disorder, including unsuccessful efforts to quit and continued use despite physical, psychological, or social problems. Only a qualified professional can assess what diagnosis, if any, applies.

Why anxiety and cannabis use may need integrated care

When anxiety and cannabis use overlap, treating them separately can miss how each affects the other. Someone may use cannabis hoping to relax, experience panic, become fearful of another attack, and then use again to escape that fear. An integrated assessment can look at anxiety symptoms, substance-use patterns, physical health concerns, medications, other substances, and day-to-day functioning together.

Merrimack Valley Behavioral Health offers adult outpatient PHP, IOP, OP, dual-diagnosis care, and Virtual IOP. Its adult dual-diagnosis care addresses mental health and substance-use concerns together. Virtual IOP is available only while the participant is physically in Massachusetts. In-person treatment is provided at 77 Elm St, Amesbury, MA 01913.

What outpatient care can involve

The appropriate outpatient level depends on symptom severity, safety, functioning, support needs, and whether a person can participate without continuous supervision. PHP generally provides more structure than IOP, while OP is typically a less intensive level. A prescreen and intake process help determine whether an available outpatient option may match the person's current needs. No level or admission can be promised before that process.

Outpatient care does not provide overnight monitoring. MVBH does not offer onsite detox, inpatient or residential care, overnight stays, or emergency care. A person who needs medical stabilization, withdrawal management, continuous supervision, or immediate crisis intervention may need a different setting. Call 911 for a medical emergency, or call 988 or 911 for a behavioral health crisis.

How family or trusted supporters can help

A family member or trusted friend can remain calm, reduce noise and conflict, and help the person avoid driving or further substance use. They can listen without arguing about whether the sensations are “real.” Panic symptoms are experienced as real and frightening, even when immediate danger is not present.

Afterward, supporters can encourage an evaluation without blame. They should also respect adult privacy and avoid making treatment decisions on the person's behalf. If the individual cannot stay safe, appears medically unstable, or becomes severely confused or unresponsive, the priority is emergency help rather than persuasion.

Calling about outpatient support

Adults interested in MVBH can call 978-233-9597. The call can begin with questions about the panic episode, cannabis use, current symptoms, safety, and the type of support being sought. A prescreen helps explore whether outpatient assessment is appropriate. If it is, the next step is an intake process to evaluate needs and possible level of care.

Coverage varies by insurance plan. Callers can ask MVBH to confirm benefits, but benefit information does not promise coverage, admission, or suitability. If outpatient care is not an appropriate fit because of emergency, medical, detoxification, inpatient, residential, or overnight needs, another level of care should be considered.

Common questions

Can cannabis use be linked to panic symptoms?

Cannabis use can be associated with anxiety or panic for some people. A clinician can help assess what happened and consider other possible causes.

When is urgent help needed after a panic episode?

Call 911 if symptoms may represent a medical emergency or the person cannot stay safe. For a behavioral health crisis, call or text 988. An outpatient call can address nonemergency next steps.

Can MVBH discuss cannabis use and panic together?

MVBH offers adult outpatient and dual-diagnosis care. A prescreen and intake can explore the concern and whether an outpatient level may fit. Admission is not guaranteed.