Substance Use in Older Adults: A Practical Guide for Families and Caregivers

When an 82-year-old falls in the bathroom, when a widowed father stops cooking and loses weight, when a grandmother becomes forgetful and withdrawn — families and clinicians alike tend to reach for the most familiar explanation. Aging. Frailty. Grief. Early dementia.

Substance use is rarely the first thing anyone considers. Yet it is one of the most common, most treatable, and most invisible health problems in older adults.

The numbers have shifted dramatically. According to the 2024 National Survey on Drug Use and Health, 2.9 million Americans aged 65 and older — 4.8% of the age group — met the criteria for past-year alcohol use disorder. More than 6.8 million reported binge drinking in the previous month. And per the CDC, 40.9% of all alcohol-attributable deaths in 2022 and 2023 occurred among people 65 and older.

This guide is written for the adult children, spouses, siblings, and caregivers who are the first to notice that something is wrong — and often the last to be heard. It covers why older bodies and older brains respond differently to alcohol and drugs, how to tell the difference between aging and addiction, what treatment actually looks like at this stage of life, and how to pay for it.

Why older adults are a different population

Addiction in a 70-year-old is not the same disease as addiction in a 25-year-old. Age changes the pharmacology, the presentation, the risks, and the treatment plan.

The body handles substances differently

With age comes reduced muscle mass and lower total body water. That means the same drink produces a higher blood alcohol concentration in an older adult than in a younger person of similar weight. Liver metabolism slows, kidney clearance declines, and the brain becomes more sensitive to sedating substances.

The practical consequence is significant: older adults can develop serious alcohol-related problems at drinking levels that would have caused them no trouble twenty years earlier. A nightly glass or two of wine that was harmless at 55 may be causing falls, memory problems, and medication interactions at 75.

Sensitivity and injury risk rise sharply

Older adults are more sensitive to alcohol's sedative effects and to its impact on balance, coordination, attention, and driving. Research indicates women may be more susceptible than men to alcohol's adverse effects. The result is a much shorter distance between "drinking" and "getting hurt": falls, fractures, car crashes, and head injuries that a younger person would walk away from.

This matters for families because the first visible sign of a problem may be an injury, not a drink.

Alcohol and prescription medications do not mix

This is the single most dangerous intersection of aging and substance use. A landmark survey of 3,000 adults aged 57 to 85 found that more than 80% used at least one prescription medication daily, and nearly half used more than five medications or supplements — putting roughly 1 in 25 people in that age group at risk for a major drug-drug interaction.

Alcohol compounds that risk. According to the National Institute on Alcohol Abuse and Alcoholism:

Combined with aspirin, alcohol increases the risk of stomach or intestinal bleeding.
Combined with acetaminophen (Tylenol), it can cause liver damage, particularly in people who drink regularly.
Combined with sleep aids, anti-anxiety medications, cold and allergy medications, or opioid pain relievers, alcohol's sedating effects can be fatal.
It can alter the blood levels and effectiveness of blood pressure medications and antibiotics, and increase side effects.

Some cough syrups already contain alcohol, adding to the total without anyone realizing it.

Polypharmacy and opioid pain medicines

Chronic pain becomes more common with age, and so does opioid prescribing. Between 4% and 9% of adults 65 and older use prescription opioid medications for pain relief — and prescriptions written for older adults during routine office visits increased ninefold between 1995 and 2010.

The consequences have flowed through treatment systems. Between 2013 and 2015, the population of adults 55 and older grew by about 6%, yet the proportion of that age group seeking treatment for opioid use disorder increased nearly 54%. Heroin use among older adults more than doubled over the same period, in part because some people who misused prescription opioids switched to a cheaper alternative.

A 2019 study of patients over 50 found that more than 25% of those misusing prescription opioids or benzodiazepines reported suicidal ideation, compared with about 2% of those who did not. That single finding should reframe how seriously families and clinicians treat medication misuse in this age group: it is not a quality-of-life issue, it is a safety issue.

Cannabis, benzodiazepines, and less-obvious substances

Cannabis use among older adults has risen steeply — past-year use among those 65 and older increased from 0.4% in 2006–2007 to 2.9% in 2015–2016, and legalization has accelerated the trend. Many older adults use cannabis for chronic pain, poor sleep, or appetite, often without telling their physician. Cannabis can interact with prescription drugs, impair memory and motor skills, and worsen existing cardiovascular and respiratory conditions.

Benzodiazepines deserve specific attention. Widely prescribed for anxiety and insomnia, they carry a high risk of dependence with long-term use, interact dangerously with opioids and alcohol, and increase fall risk. Stopping them abruptly after years of use can be medically dangerous and should always be managed by a clinician.

Why the problem stays hidden

Older adults are systematically under-identified for substance use disorders. Several forces converge.

Symptoms look like aging. Memory lapses, poor balance, confusion, weight loss, poor hygiene, sleep disruption, and low mood all have obvious age-related explanations — which means alcohol and drug use is often the last hypothesis considered rather than the first.

Grief, loss, and isolation go untreated. Retirement, the death of a spouse or friends, chronic illness, and shrinking social networks are powerful drivers of increased drinking. NIAAA notes that these transitions often prompt people to start, continue, or escalate alcohol use to cope with loneliness, boredom, anxiety, and depression. The relief is temporary and the emotions worsen — creating a cycle in which the substance is both the attempted solution and the cause of the problem.

Insomnia drives self-medication. Sleep quality declines with age, and many older adults drink to fall asleep. Alcohol does make people drowsy — then fragments sleep later in the night, worsening the insomnia it was meant to fix.

Generational stigma is real. People who grew up in an era when addiction was framed as a moral failing rather than a medical condition are less likely to disclose use or seek help — and more likely to hide it from family and doctors.

Pain management creates dependence without intent. A person prescribed opioids after surgery, or benzodiazepines for anxiety, may never use an illegal substance and still develop physiologic dependence.

Fewer people are watching. Retired, living alone, no employer drug testing, no school nurse, fewer routine contacts with the healthcare system — the informal safety net that catches problems in younger adults is largely absent.

Recognizing the signs

The American Geriatrics Society and NIAAA both flag a set of warning signs in older adults that families should take seriously — particularly when several appear together or appear suddenly:

Memory loss, confusion, or difficulty with thinking and judgment
Falls, unexplained bruises, or fractures
Depression, anxiety, or apathy that is new or worsening
Loss of appetite, unintended weight loss, or malnutrition
Sleep problems — insomnia, night waking, or daytime sleepiness
Neglect of personal cleanliness, grooming, or appearance
Withdrawal from family, friends, and previously enjoyed activities
Increased secrecy: hiding bottles, drinking alone, unexplained absences
Physician shopping, or reluctance to let a family member attend appointments
Unexplained financial problems, or requests for money without explanation

A useful rule of thumb: when a change in behavior is sudden, or when several of these signs appear at once, don't assume it is simply age. A falls workup or a memory evaluation that never screens for alcohol or medication misuse is an incomplete evaluation.

What a proper assessment looks like

Screening for substance use in older adults is straightforward, brief, and should happen routinely. Families are often the ones who have to ask for it.

Standard tools include the AUDIT-C, a three-question alcohol screen, and the Short Michigan Alcoholism Screening Test — Geriatric Version (SMAST-G), designed specifically for older drinkers. Neither requires a blood test or specialist referral.

Because older adults often drink at lower volumes that nonetheless cause harm, clinicians who work with this population typically pair screening with questions about:

Falls and balance problems in the past year
All medications and supplements being taken — including over-the-counter products
Sleep quality, pain, and mood
Recent losses: bereavement, retirement, relocation, illness

A complete assessment also checks for co-occurring conditions — depression, anxiety, and cognitive impairment are common alongside substance misuse in this age group and must be treated together rather than in sequence. It should also rule out treatable medical causes of confusion, including infections, dehydration, and medication side effects, which can mimic both intoxication and dementia.

If you are a family member, you can request that a primary care physician add substance use screening to an annual wellness visit. Medicare covers an annual wellness visit, and screening and counseling for alcohol misuse is a covered preventive service for adults who use alcohol above recommended limits.

Treatment works — and it looks different at this age

The most important message for families: older adults respond to treatment at least as well as younger adults, and often better. They are frequently more adherent to treatment plans, more likely to stay engaged, and less likely to drop out. What changes is the design of the treatment, not its effectiveness.

Medically supervised withdrawal first

Heavy alcohol use and long-term benzodiazepine use should never be stopped abruptly. Alcohol withdrawal can cause seizures and delirium tremens, and older adults are more vulnerable to complications from both. Benzodiazepine withdrawal can be dangerous and prolonged. Anyone with significant physical dependence needs a medically supervised detox with monitoring, typically in a hospital or specialized withdrawal management unit — not a self-directed taper.

Clinicians also screen for conditions that make withdrawal riskier in this age group: dehydration, electrolyte imbalances, cardiac disease, and cognitive impairment.

Age-specific levels of care

Treatment intensity should match severity, health status, and support at home:

Outpatient counseling — one or two sessions per week. Works for mild-to-moderate problems with stable housing and a supportive environment.
Intensive outpatient programs (IOP) — several hours, several days per week. A good fit for older adults who need structure but cannot or prefer not to leave home.
Residential treatment — round-the-clock care. Necessary for severe dependence, unsafe home environments, or significant medical complexity. Older adults may need programs that can accommodate mobility limitations, chronic illness, and medication management.
Telehealth — has expanded access considerably for people with limited mobility, no transportation, or caregiving responsibilities.

Medication-assisted treatment

Medications are effective and appropriate for older adults, and there is no age at which they should be withheld:

Opioid use disorder: buprenorphine, methadone, or naltrexone.
Alcohol use disorder: naltrexone or acamprosate; disulfiram is used more selectively because of its interaction risks.

The critical caveat in this population is drug interactions and dosing. Older adults often need lower starting doses, slower titration, and careful review of everything else they take. This is not a reason to avoid medication — it is a reason to work with a clinician experienced in both addiction medicine and geriatrics.

Counseling and behavioral therapy

Cognitive behavioral therapy, motivational interviewing, and family therapy all have evidence in older populations. Cognitive behavioral therapy for insomnia (CBT-I) is worth calling out specifically: it addresses the sleep problems that so often drive drinking in this age group, and it avoids adding another sedating medication.

Group-based mutual aid — Alcoholics Anonymous, SMART Recovery, and similar programs — works for many older adults, though some prefer groups tailored to their generation. Age-specific peer support reduces the isolation that fuels relapse.

Treating the whole person

Effective treatment for older adults almost always includes what would be considered "adjacent" work: grief support, depression and anxiety treatment, chronic pain management, social connection, and practical help with transportation and meals. Isolation is a relapse risk factor. Connection is treatment.

Paying for treatment

Cost is a common and legitimate concern. Several pathways exist.

Medicare covers substance use disorder treatment: Part A for inpatient care, Part B for outpatient counseling, intensive outpatient programs, and medication-assisted treatment, and Part D for prescription medications. Medicare Advantage plans frequently add coverage. Cost-sharing and network rules vary significantly by plan — call your plan and ask specifically what is covered for substance use disorder treatment.
Medicaid covers SUD treatment in all states, including residential care in many. Dual-eligible beneficiaries (Medicare plus Medicaid) often have the broadest coverage.
The Mental Health Parity and Addiction Equity Act requires most insurance plans to cover addiction treatment no less favorably than medical or surgical care. If a claim is denied, parity is a legitimate basis for appeal.
Veterans have direct access to SUD treatment through VA medical centers and Vet Centers; every VA facility offers substance use disorder services.
Sliding-scale and state-funded programs exist for people who are uninsured. SAMHSA's treatment locator (findtreatment.gov) filters by payment options.
Caregiver support — if you are paying for a parent's treatment, ask programs about family financial counseling, payment plans, and whether treatment can be billed to the patient's insurance rather than yours.

Medicare's annual wellness visit, screening and counseling for alcohol misuse, and depression screening are covered at no cost for most beneficiaries. These are reasonable first asks at a primary care appointment.

How families can help

Families are often the difference between a problem that gets treated and one that never surfaces. But how you approach it matters enormously.

Focus on health and behavior, not accusations. A conversation that starts with "I think you have a drinking problem" tends to end quickly. A conversation that starts with "I noticed you've fallen twice this month and you seem sadder than usual — I'm worried about you, and I'd like to help" is far more likely to be heard.

Bring observations, not labels. Specific, recent, observable facts carry weight with both the person and their doctor: skipped meals, missed appointments, a fall, unopened mail, a change in grooming.

Attend the medical appointment — with permission. Older adults often rely on a family member for transportation and decision support. Offer to come in and to raise the subject, and then actually raise it. Ask directly whether the doctor screens for alcohol and medication misuse, and ask for a medication review including over-the-counter products and supplements.

Never remove substances abruptly or secretly. Flushing pills or pouring out alcohol can precipitate a dangerous withdrawal, particularly from alcohol or benzodiazepines. Bring it to a clinician instead.

Recognize that risk of suicide is elevated. The association between prescription opioid and benzodiazepine misuse and suicidal ideation in adults over 50 is substantial. If you hear statements about being a burden, hopelessness, or not wanting to be here, treat it as urgent. Call or text 988 (Suicide & Crisis Lifeline) immediately.

Take care of yourself. Caregiving is exhausting, and the guilt and frustration that come with a parent's or spouse's substance use are heavy. Al-Anon, Nar-Anon, and family therapy exist for a reason. You cannot pour from an empty cup, and your own stability is part of what makes treatment success possible.

Where to get help

SAMHSA National Helpline — 1-800-662-4357. Free, confidential, 24/7 treatment referral and information in English and Spanish.
SAMHSA Treatment Locator — findtreatment.gov. Search by ZIP code, insurance type, and treatment type.
988 Suicide & Crisis Lifeline — call or text 988. For any mental health crisis, including suicidal thoughts.
Medicare — 1-800-MEDICARE (1-800-633-4227). To confirm what your plan covers for substance use disorder treatment.
VA — 1-800-MYVA411. For veterans seeking substance use disorder care.
NIAAA Rethinking Drinking and the Alcohol Treatment Navigator — evidence-based tools for evaluating your own or a loved one's drinking.

The bottom line

Substance use in older adults is common, dangerous, and — critically — treatable. It hides behind symptoms that look like aging: falls, memory loss, weight loss, withdrawal, depression. It is amplified by polypharmacy, grief, isolation, and sleep problems. It shows up in emergency rooms as injuries rather than as addiction.

And it responds to treatment, often better than it does in younger people.

The most important step a family can take is refusing to accept "it's just age" as an explanation. Ask about alcohol and medications. Ask for a screening. Ask what a medication review would show. Get a clinician involved before an abrupt change turns dangerous.

The screening is brief. The treatment exists. And the conversation you're avoiding is very often the one that changes the outcome.

Dr. Rachel Bennett is a board-certified addiction medicine physician. This article was medically reviewed on September 28, 2026.