Alcohol or Substance Use During Cancer Stress

• SAMHSA National Helpline: 1-800-662-4357, also written 1-800-662-HELP. It is a free, confidential treatment referral and information service, open 24 hours a day, 365 days a year, in English and Spanish.
• findtreatment.gov is SAMHSA's confidential and anonymous search tool for substance use and mental health treatment across the United States.
• Call or text 988 for the 988 Suicide and Crisis Lifeline if you are in mental health crisis.
• Call 911 for a suspected overdose. Breathing slows or stops in an opioid overdose, and naloxone can reverse it if given quickly.
• Do not stop suddenly on your own if you drink heavily every day, or if you take a benzodiazepine such as lorazepam or diazepam. Withdrawal from either can cause seizures and can be life-threatening. It must be managed medically.

Review hold: This safety-sensitive draft is excluded from public search until an appropriate qualified reviewer checks the wording.

Plenty of people drink more after a cancer diagnosis. Some go back to something they had put down years ago.

None of it makes you a bad patient. It makes you a person under sustained pressure who found something that turned the volume down.

The reason to talk about it is not character. It is safety. What you drink or take changes how your treatment behaves, and your team cannot plan around what they do not know.

This confusion causes real harm. People ration their pain medicine, or refuse it, and then live in pain for no reason.

The National Cancer Institute is clear on the difference. Tolerance of an opioid is a physical dependence on it, and that is not the same as addiction, which is psychological dependence. The National Institute on Drug Abuse draws the same three-way distinction, though it frames addiction as the most severe form of a substance use disorder rather than as psychological dependence. Tolerance means needing more of a drug for the same effect. Dependence means the body has adapted. Addiction is compulsive use that continues despite harm.

Your body adapting to a pain medicine is expected. It is not a moral failure and it is not a diagnosis.

NCI also notes that although most people prescribed opioids for cancer pain use them safely, some do become addicted. Both things are true. Your doctor monitors your doses so that pain is treated safely, and it is fine to ask how that monitoring works.

If you have a history of addiction, say so early. It changes how the team plans your pain relief, and it usually means better pain control, not less.

Alcohol is not a neutral drink during cancer treatment.

The International Agency for Research on Cancer classified alcohol as a Group 1 carcinogen in 1987. NCI explains the mechanism: the body breaks alcohol down into acetaldehyde, a toxic chemical and probable human carcinogen that can damage both DNA and proteins. Alcohol is linked to cancers of the mouth and throat, voice box, esophagus, liver, breast, and colon and rectum.

For someone already in treatment, NCI raises two specific points. The first is that it is best to check with your health care team about whether alcohol is safe alongside your particular treatment. The second is the possibility that alcohol can increase the risk of a recurrence or a second cancer.

There are practical effects too. If treatment has left you with mouth sores or a dry mouth, alcohol stings. NCI's advice for a sore mouth or throat is to avoid alcoholic drinks, along with food that is crunchy, salty, spicy, or sugary.

For reference, a standard drink in the United States contains 14 grams, or 0.6 ounces, of pure alcohol. That is roughly 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of spirits. Home measures are usually larger than that.

This is the point most people are never told. If you have been drinking heavily and regularly, stopping on your own can be more dangerous than continuing for a few more days while you get help.

MedlinePlus says alcohol withdrawal may range from a mild and uncomfortable disorder to a serious, life-threatening condition. Symptoms tend to occur within 8 hours after the last drink, though they can start days later, and tend to peak by 24 to 72 hours. Some go on for weeks. The severe form, delirium tremens, can involve sudden confusion, fever, hallucinations, and seizures. People with moderate to severe withdrawal may need to be treated in a hospital.

Benzodiazepines carry the same warning. These are sedatives such as lorazepam, diazepam, and alprazolam, often given in cancer care for anxiety or before a scan. The Food and Drug Administration warns that physical dependence can build after taking them steadily for several days to weeks, even exactly as prescribed. Stopping abruptly, or cutting the dose too fast, can cause withdrawal reactions including seizures, which can be life-threatening. FDA advises a gradual taper built for the individual person. Do not design one yourself.

Two things follow. Do not detox alone. And do not schedule your own quit date for the night before surgery or admission. Tell the team so it can be managed.

Withdrawal also mimics anxiety. NCI notes that withdrawal from alcohol, nicotine, opioids, or antidepressants can cause agitation or anxiety. If you feel panicky in hospital, the cause may simply be that your usual intake stopped at the door.

If you smoke, quitting after a diagnosis still changes your outcome. CDC states that continued smoking may increase the risk of recurrence, may lead to poorer treatment response and more treatment-related toxicity, and increases the risk of death, including death from cancer. CDC adds that quitting improves the prognosis of patients with cancer and may improve all-cause mortality.

Free help exists:

• 1-800-QUIT-NOW (1-800-784-8669) for one-to-one help, coping strategies, and referrals to local programs
• NCI's quitline, 1-877-44U-QUIT (1-877-448-7848), for individualized counseling and referrals
• smokefree.gov for NCI's online tools and support

You do not owe anyone a confession. You owe them facts they can use:

• "I drink about six beers most evenings. What does that change about my treatment?"
• "I use cannabis for nausea. I want to check it against my medicines."
• "I was in recovery for eight years and I have started using again."
• "I take my pain medicine early because it wears off. I want a better plan, not less of it."

Bring the honest numbers: what, how much, how often, and when you last used. Include anything bought without a prescription. Ask specifically about your liver, your anesthetic, your bleeding risk, and your pain plan.

Ask for addiction-informed care that talks to your oncology team, rather than two services that never speak. Oncology social work can arrange it.

• SAMHSA National Helpline: 1-800-662-HELP (4357) — Substance Abuse and Mental Health Services Administration
• FindTreatment.gov — Substance Abuse and Mental Health Services Administration
• Alcohol and Cancer Risk — National Cancer Institute
• Cancer Pain (PDQ) — National Cancer Institute
• Prescription Opioids DrugFacts — National Institute on Drug Abuse
• Alcohol withdrawal — MedlinePlus Medical Encyclopedia
• FDA requiring Boxed Warning updated to improve safe use of benzodiazepine drug class — U.S. Food and Drug Administration
• Mouth and Throat Problems During Cancer Treatment — National Cancer Institute
• Adjustment to Cancer: Anxiety and Distress (PDQ) — National Cancer Institute
• Cancer Care Settings and Smoking Cessation — Centers for Disease Control and Prevention
• Where To Get Help When You Decide To Quit Smoking — National Cancer Institute