Analysis of Disposed Unused Medications at a Village Community Pharmacy
Abstract
:1. Introduction
2. Materials and Methods
2.1. Setting
2.2. Study Design
2.3. Data Analysis
3. Results
3.1. Quantity
3.2. Types of Medication
3.3. Cost
3.4. Time beyond Expiry Date Medication was Retained before Returning for Disposal
4. Discussion
4.1. Quantity of Disposed Medications
4.2. Classification of Disposed Medication
4.3. Monetary Value of Disposed Medication
4.4. Limitations of the Current Study
4.5. Future Research
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
- West, L.M.; Diack, L.; Cordina, M.; Stewart, D. A systematic review of the literature on ‘medication wastage’: An exploration of causative factors and effect of interventions. Int. J. Clin. Pharm. 2014, 36, 873–881. [Google Scholar] [CrossRef]
- Kiyingi, K.S.; Lauwo, J.A.K. Drugs in the home: Danger and waste. World Health Forum 1993, 14, 381–384. [Google Scholar] [PubMed]
- Ekedahl, A.; Wergeman, L.; Rydberg, T. Unused drugs in Sweden measured by returns to pharmacies. JSAP 2003, 20, 26–31. [Google Scholar]
- Trueman, P.; Taylor, D.; Lowson, K.; Newbould, J.; Blighe, A.; Bury, M.; Meszaros, A.; Barber, N.; Wright, N.; Jani, Y.; et al. Evaluation of the Scale, Causes and Costs of Waste Medicines. Available online: http://discovery.ucl.ac.uk/1350234/1/Evaluation_of_NHS_Medicines_Waste__web_publication_version.pdf (accessed on 28 March 2019).
- Vogler, S.; de Rooij, R.H.P.F. Medication wasted—Contents and costs of medicines ending up in household garbage. Res. Soc. Adm. Pharm. 2018, 14, 1140–1146. [Google Scholar] [CrossRef] [PubMed]
- Law, A.V.; Sakharkar, P.; Zargarzadeh, A.; Tai, B.W.; Hess, K.; Hata, M.; Mireles, R.; Ha, C.; Park, T.J. Taking stock of medication wastage: Unused medications in US households. Res. Soc. Adm. Pharm. 2015, 11, 571–578. [Google Scholar] [CrossRef] [PubMed]
- Ruhoy, I.S.; Daughton, C.G. Types and quantities of leftover drugs entering the environment via disposal to sewage—Revealed by coroner records. Sci. Total Environ. 2007, 388, 137–148. [Google Scholar] [CrossRef] [PubMed]
- Bataduwaarachchi, V.R.; Weeraratne, C.L. Global medication waste management practices: Challenges and opportunities in developing countries. Int. J. Basic Clin. Pharmacol. 2016, 5, 2290–2294. [Google Scholar] [CrossRef]
- WasteServ Malta Limited. Civic Amenity Sites. Available online: https://www.wasteservmalta.com/casites (accessed on 28 March 2019).
- Times of Malta. 42% of People Never Use a Civic Amenity Site—WasteServ. 2014. Available online: https://www.timesofmalta.com/articles/view/20140425/local/42-of-people-never-use-a-civic-amenity-site-wasteserv.516377 (accessed on 28 March 2019).
- West, L.M.; Diack, L.; Cordina, M.; Stewart, D. A cross-sectional survey of the Maltese general public on medication wastage. Int. J. Clin. Pharm. 2016, 38, 261–270. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Joint Formulary Committee. British National Formulary 77; BMJ Group and Pharmaceutical Press: London, UK, 2019. [Google Scholar]
- European Central Bank. Euro Foreign Exchange Reference Rates. Available online: https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html (accessed on 28 March 2019).
- WHO Collaborating Centre for Drug Statistics Methodology. ATC/DDD Index 2019. Available online: https://www.whocc.no/atc_ddd_index/ (accessed on 28 March 2019).
- Langley, C.; Marriott, J.; Mackridge, A.; Daniszewski, R. An analysis of returned medicines in primary care. Pharm. World Sci. 2005, 27, 296–299. [Google Scholar] [CrossRef] [PubMed]
- Longmore, R.B.; Sunderland, V.B.; Sansom, L.N. Analysis of a “Medidump” campaign in Australia. IJPP 1995, 3, 186–191. [Google Scholar] [CrossRef]
- Al Siyabi, K.H.; Al Riyami, K. Value and types of medicines returned by patients to Sultan Qaboos University Hospital pharmacy, Oman. Sultan Qaboos Univ. Med. J. 2007, 7, 109–115. [Google Scholar] [PubMed]
- Boivin, M. The cost of medication waste. Can. Pharmaceut. J. 1997, 130, 33–39. [Google Scholar]
- Grant, P. Return of waste medicines to a community pharmacy. Prescriber 2001, 12, 29–38. [Google Scholar]
- Halloran, T.N.; Frewen, D.B.; Frost, B.R. An evaluation of the cost of drug wastage in a South Australian community—A pilot study. Aust. J. Hosp. Pharm. 1978, 8, 84–86. [Google Scholar]
- Guirguis, K. Medications collected for disposal by outreach pharmacists in Australia. Pharm. World Sci. 2010, 32, 52–58. [Google Scholar] [CrossRef]
- Henderson, S. Hospital pharmacy: Survey of unwanted medicines. PJ 1984, 232, 603–605. [Google Scholar]
- Mackridge, A.J.; Marriott, J.F. Returned medicines: Waste or a wasted opportunity? J. Public Health 2007, 29, 258–262. [Google Scholar] [CrossRef] [PubMed]
- James, T.H.; Helms, M.L.; Braund, R. Analysis of Medications Returned to Community Pharmacies. Ann. Pharmacother. 2009, 43, 1631–1635. [Google Scholar] [CrossRef]
- Longmore, R.; McDonald, C.; Sunderland, B.; Kailis, S.; Marshall, C. Examination of a sample from a Medidump campaign in Perth, Western Australia. AJP 1990, 9, 145–149. [Google Scholar]
- Braund, R.; Chuah, F.; Gilbert, R.; Gn, G.; Soh, A.; Yin Tan, L.; Shing Tiong, H.; Yuen, Y.C. Identification of the reasons for medication returns. NZFP 2008, 35, 248–252. [Google Scholar]
- Braund, R.; Gn, G.; Matthews, R. Investigating unused medications in New Zealand. Pharm. World Sci. 2009, 3, 664–669. [Google Scholar] [CrossRef] [PubMed]
- Hawksworth, G.M.; Wright, D.J.; Chrystyn, H. A detailed analysis of the day to day unwanted medicinal products returned to community pharmacies for disposal. JSAP 1996, 13, 215–222. [Google Scholar]
- Cuschieri, S.; Vassallo, J.; Calleja, N.; Pace, N.; Abela, J.; Ali, B.A.; Abdullah, F.; Zahra, E.; Mamo, J. The diabesity health economic crisis—The size of the crisis in a European island state following a cross-sectional study. Arch. Public Health 2016, 74, 52. [Google Scholar] [CrossRef] [PubMed]
- Times of Malta. Patients Urged to Cut Waste in Free Medicine. 2012. Available online: https://www.timesofmalta.com/articles/view/20120405/local/Patients-urged-to-cut-waste-in-free-medicine.414198 (accessed on 15 April 2019).
- Abahussain, E.A.; Ball, D.E. Disposal of unwanted medicines from households in Kuwait. Pharm. World Sci. 2007, 29, 368–373. [Google Scholar] [CrossRef] [PubMed]
- Isacson, D.; Olofsson, C. Drugs up in smoke: A study of caseated drugs in Sweden. Pharm. World Sci. 1999, 21, 96–99. [Google Scholar] [CrossRef] [PubMed]
- West, L.M.; Borg Theuma, R.; Cordina, M. The ‘Necessity-Concerns Framework’ as a means of understanding non-adherence by applying polynomial regression in three chronic conditions. Chronic. Illn. 2018. [Google Scholar] [CrossRef]
- Grbic, M. Hazardous waste: Unused drug disposal in Croatia. Eur. J. Public Health 2013, 23, 260. [Google Scholar] [CrossRef]
Time Period | Number of Disposed Medications | Value of Disposed Medications (€) |
---|---|---|
April–June 2018 | 148 | 886.04 |
July–September 2018 | 71 | 377.04 |
October–December 2018 | 192 | 1350.20 |
Total | 411 | 2613.28 |
Code | Classification | Quantity Returned (n = 411) % (n) | Cost in Euros |
---|---|---|---|
A | Alimentary tract and metabolism | 24.6% (101) | 619.39 |
R | Respiratory System | 23.8% (98) | 309.93 |
M | Musculoskeletal system | 10.5% (43) | 397.82 |
D | Dermatologicals | 8.8% (36) | 208.85 |
J | Anti-infectives for systemic use | 8.8% (36) | 281.94 |
N | Nervous system | 6.8% (28) | 207.38 |
S | Sensory organs | 3.6% (15) | 51.96 |
C | Cardiovascular System | 3.4% (14) | 245.25 |
H | Systemic hormonal preparations | 2.9% (12) | 73.23 |
G | Genito-urnicary system and sex hormones | 2.7% (11) | 77.83 |
Others | Food supplements, herbal preparations | 1.9% (8) | 73.75 |
B | Blood and blood-forming organs | 1.2% (5) | 52.99 |
L | Antineoplastics and immunomodulating agents | 0.7% (3) | 10.46 |
P | Antiparasitic products, insecticides, and repellents | 0.2% (1) | 2.50 |
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Vella, V.; West, L.-M. Analysis of Disposed Unused Medications at a Village Community Pharmacy. Pharmacy 2019, 7, 45. https://doi.org/10.3390/pharmacy7020045
Vella V, West L-M. Analysis of Disposed Unused Medications at a Village Community Pharmacy. Pharmacy. 2019; 7(2):45. https://doi.org/10.3390/pharmacy7020045
Chicago/Turabian StyleVella, Valerie, and Lorna-Marie West. 2019. "Analysis of Disposed Unused Medications at a Village Community Pharmacy" Pharmacy 7, no. 2: 45. https://doi.org/10.3390/pharmacy7020045