Author's details
- Dr. Khashau Eleburuike
- MBBS (Ilorin) MSc. Global Health Karolinska Institute.
- Resident doctor in family medicine in Northern Sweden.
Reviewer's details
- Dr. Kumbet John Sonny
- MBBS(Jos), FMCFM, CCG(UK),DGM (Ireland).
- Consultant Family Physician and Geriatrician, Geriatric Medicine Subdivision, Family Medicine Department, Federal Medical Centre Keffi, Nigeria.
- Date Uploaded: 2025-02-16
- Date Updated: 2025-02-19
Polypharmacy in the Elderly
This is defined as the use of more than six medications. Sometimes, medications with similar functions are used at the same time. This increases adverse effects and drug interactions in this age group. Situations such as multimorbidity could require the use of multiple medications, but frequent reviews are important to ensure that all medications remain appropriate
Polypharmacy in the elderly in sub-Saharan Africa is a growing concern, driven by the increasing prevalence of chronic diseases such as hypertension, diabetes, and arthritis. Many older adults are prescribed multiple medications to manage these conditions, leading to an elevated risk of drug interactions, adverse effects, prescribing cascades, and decreased medication adherence. Limited access to healthcare resources and inadequate medication management practices further complicates the issue, often resulting in unmonitored polypharmacy. Additionally, cultural beliefs and reliance on traditional medicine can lead to further complications, as herbal remedies may interact with prescribed medications. Addressing polypharmacy requires a comprehensive approach that includes improved healthcare access, regular medication reviews, and education for both healthcare providers and patients on the risks of unnecessary medications.
Geriatric pharmacology in sub-Saharan Africa is an emerging concern, as the region experiences a growing aging population that often faces multiple chronic conditions requiring complex medication regimens. Older adults are particularly vulnerable to polypharmacy, which increases the risk of adverse drug reactions, drug interactions, and medication non-adherence due to a lack of accessible healthcare resources and limited geriatric training among healthcare providers. Additionally, cultural beliefs and socioeconomic factors can influence medication management and access to essential drugs. There is a pressing need for research focused on the pharmacokinetics and pharmacodynamics of medications in this demographic, as many clinical studies do not adequately represent elderly populations. Efforts to improve pharmacological care for the elderly include developing guidelines tailored to their specific needs, enhancing healthcare provider training, and increasing access to affordable medications.
It is common for elderly patients to be prescribed multiple medications. It is important to always ask about drug history including prescribed and over-the-counter medications. Do not forget about alternative/traditional medications which is common in Africa. There is need to continuously review the indication for the drugs now. Follow-up of prescribed drugs.
Mrs. K, an 82-year-old woman with multiple chronic conditions including hypertension, diabetes, osteoarthritis, and heart failure, presents with dizziness, falls, and fatigue. She is on several medications, including amlodipine, metformin, furosemide, and paracetamol, along with a recently added herbal remedy. Her symptoms are likely due to polypharmacy and drug interactions, particularly between her antihypertensive, diuretic, and hypoglycaemic medications. The situation requires a careful review of her medication regimen to minimize adverse effects and optimize her treatment.
1. Varghese D, Ishida C, Patel P, et al. Polypharmacy. [Updated 2024 Feb 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK532953/
2. Pazan F, Wehling M. Polypharmacy in older adults: a narrative review of definitions, epidemiology and consequences. European geriatric medicine. 2021 Jun;12:443-52.
3. Wastesson JW, Morin L, Tan EC, Johnell K. An update on the clinical consequences of polypharmacy in older adults: a narrative review. Expert opinion on drug safety. 2018 Dec 2;17(12):1185-96.
4. Mehta RS, Kochar BD, Kennelty K, Ernst ME, Chan AT. Emerging approaches to polypharmacy among older adults. Nature Aging. 2021 Apr;1(4):347-56.

Author's details
Reviewer's details
Polypharmacy in the Elderly
- Background
- Symptoms
- Clinical findings
- Differential diagnosis
- Investigations
- Treatment
- Follow-up
- Prevention and control
- Further readings
This is defined as the use of more than six medications. Sometimes, medications with similar functions are used at the same time. This increases adverse effects and drug interactions in this age group. Situations such as multimorbidity could require the use of multiple medications, but frequent reviews are important to ensure that all medications remain appropriate
1. Varghese D, Ishida C, Patel P, et al. Polypharmacy. [Updated 2024 Feb 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK532953/
2. Pazan F, Wehling M. Polypharmacy in older adults: a narrative review of definitions, epidemiology and consequences. European geriatric medicine. 2021 Jun;12:443-52.
3. Wastesson JW, Morin L, Tan EC, Johnell K. An update on the clinical consequences of polypharmacy in older adults: a narrative review. Expert opinion on drug safety. 2018 Dec 2;17(12):1185-96.
4. Mehta RS, Kochar BD, Kennelty K, Ernst ME, Chan AT. Emerging approaches to polypharmacy among older adults. Nature Aging. 2021 Apr;1(4):347-56.

Content
Author's details
Reviewer's details
Polypharmacy in the Elderly
Background
This is defined as the use of more than six medications. Sometimes, medications with similar functions are used at the same time. This increases adverse effects and drug interactions in this age group. Situations such as multimorbidity could require the use of multiple medications, but frequent reviews are important to ensure that all medications remain appropriate
Further readings
1. Varghese D, Ishida C, Patel P, et al. Polypharmacy. [Updated 2024 Feb 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK532953/
2. Pazan F, Wehling M. Polypharmacy in older adults: a narrative review of definitions, epidemiology and consequences. European geriatric medicine. 2021 Jun;12:443-52.
3. Wastesson JW, Morin L, Tan EC, Johnell K. An update on the clinical consequences of polypharmacy in older adults: a narrative review. Expert opinion on drug safety. 2018 Dec 2;17(12):1185-96.
4. Mehta RS, Kochar BD, Kennelty K, Ernst ME, Chan AT. Emerging approaches to polypharmacy among older adults. Nature Aging. 2021 Apr;1(4):347-56.
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