Adults only (18+)

Understanding Cannabis Withdrawal

Cannabis withdrawal is recognised in clinical guidelines and commonly affects people who have used cannabis regularly for extended periods. Studies indicate that nearly half of regular or dependent users experience withdrawal when they stop. Symptoms emerge as the brain adjusts to functioning without THC, which alters endocannabinoid signalling when used habitually. While these effects are not life threatening, they can be uncomfortable and may lead to relapse if not managed effectively.

When Symptoms Begin and How Long They Last

Withdrawal typically begins within 24 to 48 hours after cessation. Symptoms usually peak between days two and six, and may persist for up to three weeks or longer in heavier users. Some psychological symptoms such as mood swings, anxiety and sleep disturbances can last up to five or six weeks in certain individuals.

Common Withdrawal Symptoms

Irritability, anxiety, angry or aggressive mood and restlessness are commonly reported. Sleep problems often include difficulty falling or staying asleep and vivid or disturbing dreams. Many people lose appetite and may feel depressed for several days. Some experience nausea, headaches, chills, stomach discomfort or sweating. While symptoms vary in severity, at least three of these signs typically occur within the first week for a clinical diagnosis of cannabis withdrawal syndrome.

Reasons Symptoms Arise

Regular THC exposure down regulates cannabinoid receptors, especially CB1, in the brain. When cannabis use stops, the endocannabinoid system goes into imbalance. The body must readjust to absence of THC, creating disruptions in mood, sleep and appetite until equilibrium is restored over time.

Risk of Relapse and Cannabis Use Disorder

Withdrawal can trigger strong cravings and discomfort. Individuals with cannabis use disorder, characterised by continued use despite negative consequences, are particularly susceptible to relapse. Severity of symptoms is influenced by frequency and amount of cannabis use, age and existing mental health conditions.

Coping Strategies and Support

Most withdrawal symptoms improve significantly by day seven, though sleep and mood may take longer to regulate. Supportive counselling, psychoeducation and behavioural therapies are first line approaches to managing symptoms. There are currently no medications approved specifically for cannabis withdrawal, though some off label treatments such as low dose THC analogues or short-term sleep aids may be used in clinical practice. Gradual reduction of usage rather than abrupt cessation may lessen symptom severity.

Positive Outcomes and Recovery Benefits

Quitting cannabis affords many benefits. Many users report clearer thinking, improved mood, better sleep quality and restored appetite within one to three weeks. Longer term, both mental clarity and physical health can steadily improve. Persisting sleep or mood issues typically resolve over time, especially with continued abstinence and healthy routines.

Persistent Conditions: Hyperemesis Syndrome Relief

Some long-term users may experience cannabinoid hyperemesis syndrome, which causes cyclical nausea, vomiting and abdominal pain. Cessation of cannabis use is the only known effective treatment. Symptoms often resolve within two weeks, but in some cases may continue for up to 90 days. Ensuring adequate hydration and seeking medical advice if symptoms persist is important.

Summary

Stopping cannabis use after regular consumption can lead to a withdrawal period marked by anxiety, irritability, sleep disturbance, depressed mood, appetite changes and gastrointestinal symptoms. Symptoms begin within two days and usually peak in the first week, gradually resolving over two to three weeks. Some individuals may experience longer term effects. Supportive care, behavioural strategies and a structured quitting plan improve outcomes. For many, the benefits, including better mood, clearer cognition, improved sleep and general wellbeing, far outweigh the temporary discomfort of withdrawal.