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How does self-medication affect older adults? Risks and management

4 min read

Studies reveal that up to 36% of older adults engage in self-medication, a practice with potentially dangerous consequences. Understanding precisely how does self-medication affect older adults is crucial for ensuring their safety, especially given age-related physiological changes and the common complexities of polypharmacy.

Quick Summary

Self-medication poses significant health risks for older adults, including harmful drug interactions, adverse reactions exacerbated by age-related metabolic changes, and a delayed diagnosis of serious underlying health conditions, making professional guidance essential for medication safety.

Key Points

  • Drug Interactions Are a Major Threat: Combining unprescribed drugs or supplements with a prescribed regimen can lead to severe, even toxic, interactions, especially with polypharmacy.

  • Masking Symptoms Delays Diagnosis: Self-treating common ailments can hide signs of a more serious underlying condition, preventing timely and appropriate medical intervention.

  • Age-Related Physiological Changes Increase Risk: Slower metabolism and decreased organ function in older adults mean drugs stay in the system longer, increasing the likelihood of adverse side effects.

  • Polypharmacy is a Heightened Danger: Many older adults already take multiple medications; introducing self-medication adds a layer of complexity and risk that can easily be overlooked.

  • Caregivers and Communication are Key: Involving family and professional caregivers in medication management and maintaining open communication with healthcare providers are essential safety measures.

In This Article

The Pervasive Practice of Self-Medication in Older Adults

Self-medication, which involves the use of unprescribed medications or altering prescribed dosages without professional oversight, is a widespread issue among older adults. Common triggers for this behavior include convenience, financial constraints, the belief that a symptom is minor, and relying on past experience with a medication. While it may seem harmless, particularly with over-the-counter (OTC) drugs and supplements, the practice carries heightened risks for the senior population.

Critical Dangers and Adverse Effects

Drug Interactions and Polypharmacy

One of the most significant risks is the potential for dangerous drug interactions. As individuals age, it's common to manage multiple chronic conditions, leading to polypharmacy—the regular use of five or more medications. When an older adult adds an unprescribed OTC drug or supplement to this complex regimen, the risk of a harmful interaction skyrockets. These interactions can render prescribed medications ineffective or, conversely, amplify their side effects to a toxic level. Even seemingly benign substances like vitamins and herbal remedies can interfere with prescription drugs, as many patients fail to report their use to healthcare providers.

Masking Symptoms of Serious Illness

Self-treating common ailments like headaches, pain, or gastrointestinal issues can obscure the symptoms of a more serious, underlying condition. For instance, using an OTC pain reliever to manage persistent headaches might mask the signs of a neurological issue, delaying a proper diagnosis and treatment. By the time professional medical care is sought, the underlying problem may have progressed significantly, leading to more severe complications.

Adverse Drug Reactions (ADRs)

Older adults are more susceptible to adverse drug reactions due to age-related physiological changes. Slower metabolism and decreased kidney and liver function mean that drugs linger in the body longer, increasing their concentration and the likelihood of negative side effects. Common ADRs linked to self-medication include:

  • Dizziness and loss of balance, increasing the risk of falls
  • Cognitive issues, including confusion and sedation
  • Gastrointestinal problems like constipation or diarrhea
  • Cardiovascular issues, such as heart palpitations

Dependency and Misuse

Some medications, including certain pain relievers and sleep aids, can be habit-forming. Older adults who repeatedly self-medicate with these drugs may develop a dependency, which can have significant physical and mental health consequences. Furthermore, self-adjusting dosages, either taking more to increase the effect or less to save money, can result in misuse and inadequate treatment, respectively.

Physiological Changes that Increase Risk

Several biological factors make older adults more vulnerable to the dangers of self-medication:

  • Altered Drug Metabolism: The liver and kidneys become less efficient with age, slowing down the body's ability to process and eliminate drugs.
  • Changes in Body Composition: A decrease in total body water and lean body mass, and an increase in body fat, can alter how drugs are distributed throughout the body.

Comparison: Safe Medication Adherence vs. Dangerous Self-Medication

Aspect Safe Medication Adherence Dangerous Self-Medication
Decision Maker Collaboration between patient and healthcare provider. Unsupervised decision by the individual.
Information Source Evidence-based medical advice and clear instructions from a doctor or pharmacist. Personal experience, recommendations from friends/family, or online searches.
Medication Sourcing Prescriptions filled at a pharmacy following a doctor's orders. Using leftover prescriptions, borrowing from others, or purchasing OTC products without consulting a professional.
Regimen Management Careful tracking of all medications and doses using organizers or logs. Disorganized and haphazard approach, often resulting in missed or double doses.
Goal Effective treatment of a diagnosed condition with minimal risk. Temporary relief of a symptom, potentially masking a serious problem.

Strategies for Safer Medication Management

Creating a Comprehensive Medication List

One of the most effective strategies is to maintain a detailed list of all medications being taken. This list should include every prescription drug, OTC medicine, vitamin, and dietary supplement. The list should contain the drug's name, dosage, frequency, and reason for use. This list should be reviewed and updated regularly and shared with all healthcare providers to prevent prescribing errors and harmful interactions. For more tips, check out the information provided by the National Institute on Aging: Taking Medicines Safely as You Age.

Utilizing Medication Reminders and Tools

To combat forgetfulness and confusion, several tools can assist with adherence:

  1. Pill Organizers: Weekly or monthly pill boxes help organize doses and provide a visual check for missed medication.
  2. Alarms and Apps: Smartphone alarms, smart speakers, or specialized medication reminder apps can provide timely alerts.
  3. Pharmacy Services: Many pharmacies offer pre-sorted medication packages (blister packs) or medication synchronization services to simplify complex regimens.

Open Communication with Healthcare Providers

Older adults and their caregivers must foster open and honest communication with doctors and pharmacists. Discussing any concerns about side effects, the need for supplements, or the use of OTC products is critical for making informed and safe treatment decisions.

The Crucial Role of Caregivers

Caregivers play an instrumental role in preventing the dangers of self-medication. Their responsibilities can include:

  • Helping to create and maintain an up-to-date medication list.
  • Assisting with filling pill organizers and setting reminders.
  • Monitoring for signs of adverse drug reactions or symptoms that indicate a potential problem.
  • Encouraging open communication with healthcare professionals.

Conclusion: Taking Control of Medication Safety

While self-medication may offer perceived convenience or cost savings, the risks for older adults are substantial and can lead to serious health complications, hospitalizations, or worse. Given the age-related changes in drug metabolism and the prevalence of polypharmacy, a casual approach to medication can be life-threatening. By prioritizing open communication with healthcare professionals, utilizing proven management strategies, and enlisting the help of caregivers, seniors can avoid the pitfalls of self-medication and ensure their health and safety are the top priority. Safe medication practice is not just about taking the right pill, but about following an expert-guided, informed, and consistently monitored plan.

Frequently Asked Questions

Self-medication is more dangerous for older adults because of age-related physiological changes that alter how their bodies process and eliminate drugs. These changes increase the risk of adverse drug reactions, toxicity, and harmful drug interactions, especially in those with polypharmacy.

The most common risks include dangerous drug interactions, masking symptoms of serious illness, increased likelihood of adverse drug reactions, and misuse leading to dependency or under-treatment.

Signs of self-medication include having multiple containers of the same medication, using different pharmacies, taking medication not on their official list, or having unexplained side effects like dizziness, confusion, or GI issues.

No, it is not okay to use leftover antibiotics. This practice can contribute to antibiotic resistance, may not be the correct treatment for the current infection, and can cause unnecessary and harmful side effects.

Polypharmacy is the use of five or more medications at the same time. It relates to self-medication because a senior who already takes many prescriptions is at an even higher risk of drug interactions when they add unprescribed medications or supplements.

A comprehensive medication list should include the name of every prescription, OTC drug, vitamin, and supplement. For each, you should note the dosage, frequency, reason for use, and the prescribing doctor.

Caregivers can help by creating a detailed medication list, assisting with pill organizers, setting reminders, and facilitating open communication with healthcare providers. Their oversight is crucial for preventing errors and monitoring for adverse effects.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider regarding personal health decisions.