Post-acute withdrawal syndrome (PAWS): Why recovery takes time

People often expect that once drug or alcohol detox is finished, they will be completely back to normal. The tremors have stopped, the constant nausea has passed, and the immediate crisis is over. But while the worst is usually behind you at this stage, you may not expect that there can still be a period of weeks or even months where you still don’t feel quite right. Where mood swings and cravings hit without any warning at all, and you’re still struggling to sleep or think clearly. This is post-acute withdrawal syndrome, sometimes called PAWS, and it is why the first several months after detox remain a dangerous period.

The difference between acute withdrawal and post-acute withdrawal syndrome

Acute withdrawal is your body’s immediate reaction to stopping alcohol or drugs. It usually begins within a few hours after you last drank or used drugs, and can last anywhere from a few days to a couple of weeks, depending on the substance. Withdrawal symptoms can include some emotional and psychological issues, but most are intense physical reactions like tremors, sweating, nausea, racing heart, and rare but dangerous seizures or delirium. This is the phase that medical detox is designed to manage.

​PAWS are post-detox symptoms which you experience after acute withdrawal ends. They are not so much your body reacting to the absence of the substance as your brain slowly adjusting to functioning without it.

Brain recovery after addiction

When you use alcohol or drugs heavily over a prolonged period, your brain adapts to them always being in your body. It adjusts its own chemistry to compensate, changing how it produces and responds to its natural chemical messengers, known scientifically as neurotransmitters.

GABA is your brain’s main calming chemical. Chronic drinking and some sedative addictions cause your brain to reduce its sensitivity to GABA because the drugs or alcohol are doing the calming work instead.

Glutamate is your brain’s main alertness chemical, and your brain increases its sensitivity to glutamate to counterbalance the sedating effects of alcohol and other substances.

Dopamine is involved in motivation and reward, and repeated drug or alcohol use depletes dopamine and reduces the brain’s ability to feel pleasure from ordinary things.

Serotonin affects mood, sleep, and how well you can control your emotions, and prolonged substance use disrupts how much serotonin is available to you.

Even with a medically-assisted detox, your brain has spent months or years adapting in one direction and now has to adapt in the other. That neurotransmitter recovery process takes time.  During PAWS, GABA activity remains lower than normal, glutamate activity remains higher than normal, dopamine pathways are still recovering, and serotonin levels are still unstable.

Research suggests that full recovery of dopamine, serotonin, glutamate, and GABA can take anywhere from 3 months to 1 year. Most systems approach normal levels after about a year, but full recovery can take longer depending on how much you used and for how long.

Additional Read: Challenges you face during alcohol addiction treatment?

Common symptoms of PAWS

PAWS symptoms vary depending on the substance, the length of use, and the individual, but most people have mood issues. You may feel fine one day and unable to cope the next, with emotional swings that don’t seem to match whatever triggered them (if anything triggered them at all).

Anxiety is common even in people who didn’t have an anxiety problem before their addiction, and some people feel sad, depressed, and dissatisfied or uninterested in anything (known scientifically as anhedonia).

Sleep problems are almost universal, and include scary and vivid dreams, difficulty falling or staying asleep, and getting poor quality sleep even when it seems like you slept enough. The alcohol recovery timeline, in particular, often includes long-term sleep struggles.

Fatigue is common and can be a big shock. You may have expected your energy to return once you quit drugs or alcohol, so many people assume something else must be making them tired all the time.

Brain fog, difficulty concentrating, slower thinking, and memory problems are also reported frequently in the first months of recovery.

Cravings return, sometimes intensely, even after weeks of feeling okay. This is one of the most dangerous aspects of PAWS because people assume that if cravings are still appearing months into recovery, something has gone wrong. In fact, cravings during PAWS are a normal part of the brain’s adjustment process.

Why PAWS symptoms fluctuate

One of the most confusing things about PAWS is that it doesn’t follow a steady pattern of improvement. You might have a good week followed by a terrible one, or feel entirely stable for a month before symptoms return. This pattern is characteristic of PAWs and is part of why it is so easy to mistake it for something else completely.

The fluctuation happens partly because different brain systems recover at different rates, and because external stressors, sleep disruption, and even hormonal changes can affect your progress.

Why PAWS is often misunderstood

PAWS is not a formal diagnosis like acute withdrawal syndrome is. It does not appear in the DSM, partly because there is no clear agreement on exactly how to define it and partly because research in this area has been slower than it should have been.

But protracted withdrawal is recognised by scientists and addiction experts as a genuine clinical condition, and the research that does exist consistently shows symptoms that last well beyond acute withdrawal.

The problem is that, without a formal diagnosis, many people, including some healthcare professionals, lack a framework for understanding symptoms. PAWS symptoms may then be attributed to a lack of willpower, underlying mental health problems (which can exacerbate PAWS), or even attention-seeking. This misunderstanding can leave people without an explanation for what they are experiencing and without appropriate support.

Why PAWS increases relapse risk

PAWS is one of the biggest risk factors for relapse in early recovery. Research shows that approximately half of alcohol-dependent patients relapse within three months of detoxification, and the symptoms of PAWS are a major reason why.

It is really important that anyone experiencing PAWS symptoms understands that under the surface, things are healing and getting back to normal. This isn’t always easy, especially if whole days or weeks feel like nothing is getting better. We guides our clients through the acute and post-acute addiction recovery stages, helping them safely through difficult stretches.

Why professional support during PAWS is so important

Your brain heals, but slowly, and better with support. The first year of recovery, and particularly the first three to six months, is a period when consistent professional and peer support can make a real difference.

Residential treatment and ongoing aftercare can help you recognise symptoms for what they are rather than assuming they mean something is wrong. Connecting with others in recovery and sharing your PAWS experiences provides perspective and stops you from becoming isolated when you need people around you the most.

Oasis Bradford provides treatment that continues beyond detox precisely because we understand that recovery does not end when withdrawal does. If you are struggling with symptoms that have persisted after detox, or if you are concerned about someone who seems to be having a harder time than expected in early recovery, we are here to help. Contact us today to learn more.