Ketamine Addiction: Recreational Use, Bladder Damage and Treatment

Two very different uses of the same drug

Ketamine is a dissociative anesthetic. In medicine, it has long been used for anesthesia and, more recently, at very low doses for treatment-resistant depression, either as IV ketamine given off-label in a clinic or as esketamine (Spravato), an FDA-approved nasal spray. Both forms of depression treatment are given in a supervised medical setting where a clinician monitors blood pressure, dissociation and mood for at least two hours after dosing, as described by the FDA approval of esketamine.

Recreational use looks nothing like this

• Doses are unmeasured and often far higher than clinical doses.
• There is no medical monitoring of heart rate, breathing or mental state.
• Use is often frequent, sometimes daily, which clinical protocols never allow.
• The drug is frequently obtained illicitly, with no guarantee of purity or actual content.

The chemical is the same, but the pattern of use, the dose and the setting are what determine whether ketamine helps or harms. This page is about the recreational and misuse pattern.

Signs of a ketamine use disorder

As with other substances, a use disorder is defined by loss of control and continued use despite harm, not by any single amount.

1. Using more ketamine, or more often, than intended.
2. Needing larger amounts to reach the same dissociative effect.
3. Spending significant time obtaining, using or recovering from it.
4. Strong cravings between uses.
5. Continuing to use despite bladder pain, urinary problems or blood in the urine.
6. Missing work, school or responsibilities because of use or its aftereffects.
7. Using in situations where it is physically dangerous, such as near water or before driving.
8. Failed attempts to cut back.

Ketamine-induced bladder and urinary tract damage

One of the most serious and distinctive harms of frequent recreational ketamine use is damage to the bladder and urinary tract, sometimes called ketamine-induced cystitis or ketamine bladder syndrome. The NIDA overview of club drugs notes urinary tract and bladder problems as a documented consequence of chronic use.

The risk rises with frequency and duration of use, but cases have occurred in people who used for only months. Anyone with these symptoms should see a doctor and mention ketamine use directly, since the pattern is specific enough that clinicians can recognize it.

K-holes, dissociation and other risks

At higher recreational doses, ketamine can cause a "k-hole," a state of intense dissociation where a person feels detached from their body and surroundings, sometimes unable to move or speak. This is disorienting even when nothing else goes wrong, and it becomes dangerous quickly if the person is alone, near a road, water or heights, or mixing ketamine with alcohol or other depressants.

• Falls and accidents during dissociation are a leading cause of ketamine-related injury.
• Combining ketamine with alcohol or opioids increases the risk of vomiting, aspiration and dangerously slowed breathing.
• Memory problems and difficulty concentrating can develop with sustained heavy use.
• Elevated blood pressure and heart rate occur with use and can be risky for people with cardiovascular conditions.

Tolerance, psychological withdrawal and telehealth risks

Ketamine tolerance can build with regular use, pushing people toward higher and more frequent doses to get the same effect. Physical withdrawal is generally milder than with alcohol or opioids, but a real psychological withdrawal exists: low mood, anxiety, disrupted sleep, fatigue and strong cravings when use stops after a period of heavy, regular use.

The rise of at-home ketamine telehealth

Telehealth companies now prescribe at-home ketamine lozenges or troches for depression and anxiety, taken without a clinician physically present. This differs meaningfully from in-clinic treatment: there is no direct monitoring during the dissociative period, screening for substance use history can be inconsistent, and the unsupervised setting makes it easier for use to drift beyond the prescribed plan. Anyone using an at-home ketamine program should have a support person present during dosing and should raise any urge to use more often than prescribed with the prescribing clinician right away.

Treatment for ketamine use disorder

There is no FDA-approved medication specifically for ketamine use disorder. Treatment relies on behavioral approaches and, when needed, medical care for physical complications like bladder damage.

• Cognitive behavioral therapy to address triggers, cravings and the role ketamine plays in coping.
• Contingency management, which rewards verified abstinence and has evidence across stimulant and dissociative misuse.
• Urology evaluation and treatment for anyone with urinary or bladder symptoms.
• Screening and treatment for co-occurring depression or anxiety, since ketamine misuse and mood disorders frequently overlap.
• Group support and peer recovery programs for ongoing accountability.

For a broader look at levels of care and how to choose between them, see treatment options explained.

What recovery looks like

If depression or anxiety was part of why ketamine use started, treating that condition properly, including legitimate clinical options when appropriate, matters as much as stopping the recreational use. See the link between addiction and anxiety for more.

How to get help today

1. Call the SAMHSA National Helpline at 1-800-662-4357. Free, confidential, 24 hours a day.
2. Search FindTreatment.gov for outpatient counseling or a higher level of care near you.
3. See a doctor promptly if you have any urinary symptoms, even mild ones, and mention ketamine use specifically.
4. If you are using an at-home ketamine telehealth program, tell the prescriber if use is increasing beyond the plan.
5. Ask a trusted person to check in with you during the first two weeks of stopping, when cravings and low mood are strongest.

Frequently asked questions