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Ipagala P, Mlugu EM, Mwakalukwa R, Kagashe GA. Impact of COVID-19 on the supply chain of essential health commodities: a mixed method study, in Dar es Salaam, Tanzania. J Pharm Policy Pract 2023; 16:103. [PMID: 37736737 PMCID: PMC10515070 DOI: 10.1186/s40545-023-00617-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/16/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND The outbreak of COVID-19 in the late 2019 led to major global health crises, including morbidities and mortalities. The pandemic has adversely affected the supply chain of essential health commodities globally. However, such data from sub-Saharan Africa including Tanzania are largely limited. We assessed the impact of COVID-19 on the supply chain of essential health commodities in Tanzania. METHOD A cross-sectional study with pragmatic mixed method design was conducted in Dar es Salaam region from January to June 2021. Grounded theory was adopted to purposeful select key informants (n = 15) from importers of essential health commodities and local pharmaceutical manufacturers. Community pharmacy dispensers (n = 242) were also recruited for the quantitative part of this study. The prices of selected tracer health commodities were extracted from the Tanzania Medicine and Medical Device Authority (TMDA) Regulatory Information Management system. The mean unit prices 1 year before the pandemic were compared with the mean prices 1 year during the pandemic using paired t test. Thematic analysis was used for qualitative data. RESULTS The information regarding the impact of COVID-19 on the supply chain of essential health commodities was synthesized into three main themes namely, reduced availability of health commodities, increased price of health commodities and increased lead time for imported essential health commodities during COVID-19. Majority (90%) of community pharmacy dispensers reported that COVID-19 reduced the availability of essential health commodities. Azithromycin, Paracetamol, Multivitamin and Vitamin C tablets were the highly demanded products and their mean unit prices increased significantly during COVID-19 as compared to 1 year before the pandemic (p < 0.05). CONCLUSIONS COVID-19 led to shortage, increased prices and delayed delivery of essential health commodities. This might happen in the future whenever unexpected crises causing disruption in the supply chain occur underscoring the need for the country preparedness measures.
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Affiliation(s)
- Pius Ipagala
- Department of Pharmaceutics and Pharmacy Practice, School of Pharmacy, Muhimbili University of Health and Allied Sciences, P.O. Box 65013, Dar es Salaam, Tanzania
| | - Eulambius M Mlugu
- Department of Pharmaceutics and Pharmacy Practice, School of Pharmacy, Muhimbili University of Health and Allied Sciences, P.O. Box 65013, Dar es Salaam, Tanzania.
| | - Rogers Mwakalukwa
- Department of Pharmacognosy, School of Pharmacy, Muhimbili University of Health and Allied Sciences, P.O. Box 65013, Dar es Salaam, Tanzania
| | - Godeliver A Kagashe
- Department of Pharmaceutics and Pharmacy Practice, School of Pharmacy, Muhimbili University of Health and Allied Sciences, P.O. Box 65013, Dar es Salaam, Tanzania
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Olamijuwon E, Konje E, Kansiime C, Kesby M, Keenan K, Neema S, Asiimwe B, Mshana SE, Mushi MF, Loza O, Sunday B, Sandeman A, Sloan DJ, Benitez-Paez F, Mwanga JR, Sabiiti W, Holden MTG. Antibiotic dispensing practices during COVID-19 and implications for antimicrobial resistance (AMR): parallel mystery client studies in Uganda and Tanzania. Antimicrob Resist Infect Control 2023; 12:10. [PMID: 36774512 PMCID: PMC9919751 DOI: 10.1186/s13756-022-01199-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 12/07/2022] [Indexed: 02/13/2023] Open
Abstract
BACKGROUND Over-the-counter antibiotic access is common in low-and-middle-income countries and this may accelerate antimicrobial resistance. Our study explores critical aspects of the drug seller-client interaction and antibiotic dispensing patterns for simulated COVID-19 symptoms during the pandemic in two study sites in Tanzania and Uganda, countries with different government responses to the pandemic. METHODS Research assistants posing as clients approached different types of drug sellers such as pharmacies (Pharms), drug shops (DSs), and accredited drug dispensing outlets (ADDOs) in Mwanza, Tanzania (nPharms = 415, nADDOs = 116) and Mbarara, Uganda (nPharms = 440, nDSs = 67), from June 10 to July 30, 2021. The mystery clients held no prescription and sought advice for simulated COVID-19 symptoms from the drug sellers. They documented the quality of their interaction with sellers and the type of drugs dispensed. RESULTS Adherence to COVID-19 preventive measures and vigilance to COVID-19 symptoms was low in both sites but significantly higher in Uganda than in Tanzania. A higher percentage of drug sellers in Mbarara (Pharms = 36%, DSs = 35%, P-value = 0.947) compared to Mwanza (Pharms = 9%, ADDOs = 4%, P-value = 0.112) identified the client's symptoms as possibly COVID-19. More than three-quarters of drug sellers that sold prescription-only medicines in both Mbarara (Pharms = 86%, DSs = 89%) and Mwanza (Pharms = 93%, ADDOs = 97%) did not ask the MCs for a prescription. A relatively high percentage of drug sellers that sold prescription-only medicines in Mwanza (Pharms = 51%, ADDOs = 67%) compared to Mbarara (Pharms = 31%, DSs = 42%) sold a partial course without any hesitation. Of those who sold antibiotics, a higher proportion of drug sellers in Mbarara (Pharms = 73%, DSs = 78%, P-value = 0.580) compared to Mwanza (Pharms = 40% ADDOs = 46%, P-value = 0.537) sold antibiotics relevant for treating secondary bacterial infections in COVID-19 patients. CONCLUSION Our study highlights low vigilance towards COVID-19 symptoms, widespread propensity to dispense prescription-only antibiotics without a prescription, and to dispense partial doses of antibiotics. This implies that drug dispensing related to COVID-19 may further drive AMR. Our study also highlights the need for more efforts to improve antibiotic stewardship among drug sellers in response to COVID-19 and to prepare them for future health emergencies.
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Affiliation(s)
- Emmanuel Olamijuwon
- School of Geography and Sustainable Development, University of St Andrews, St Andrews, KY16 9AL, UK.
| | - Eveline Konje
- grid.411961.a0000 0004 0451 3858Department of Biostatistics and Epidemiology, School of Public Health, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Catherine Kansiime
- grid.11194.3c0000 0004 0620 0548School of Public Health, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Mike Kesby
- grid.11914.3c0000 0001 0721 1626School of Geography and Sustainable Development, University of St Andrews, St Andrews, KY16 9AL UK
| | - Katherine Keenan
- grid.11914.3c0000 0001 0721 1626School of Geography and Sustainable Development, University of St Andrews, St Andrews, KY16 9AL UK
| | - Stella Neema
- grid.11194.3c0000 0004 0620 0548Department of Sociology and Anthropology, Makerere University, Kampala, Uganda
| | - Benon Asiimwe
- grid.11194.3c0000 0004 0620 0548Department of Medical Microbiology, Makerere University College of Health Sciences, Kampala, Uganda
| | - Stephen E. Mshana
- grid.411961.a0000 0004 0451 3858Department of Microbiology, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Martha F. Mushi
- grid.411961.a0000 0004 0451 3858Department of Microbiology, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Olga Loza
- grid.11914.3c0000 0001 0721 1626School of Geography and Sustainable Development, University of St Andrews, St Andrews, KY16 9AL UK
| | - Benjamin Sunday
- grid.33440.300000 0001 0232 6272Department of Microbiology, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Alison Sandeman
- grid.11914.3c0000 0001 0721 1626School of Medicine, University of St Andrews, St Andrews, KY16 9AL UK
| | - Derek J. Sloan
- grid.11914.3c0000 0001 0721 1626School of Medicine, University of St Andrews, St Andrews, KY16 9AL UK
| | - Fernando Benitez-Paez
- grid.11914.3c0000 0001 0721 1626School of Geography and Sustainable Development, University of St Andrews, St Andrews, KY16 9AL UK
| | - Joseph R. Mwanga
- grid.411961.a0000 0004 0451 3858Department of Biostatistics and Epidemiology, School of Public Health, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Wilber Sabiiti
- grid.11914.3c0000 0001 0721 1626School of Medicine, University of St Andrews, St Andrews, KY16 9AL UK
| | - Matthew T. G. Holden
- grid.11914.3c0000 0001 0721 1626School of Medicine, University of St Andrews, St Andrews, KY16 9AL UK
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Nzowa PG, Nandonde FA, Seimu SML. Moderation effects of co-operative institutions’ capabilities on the relationship between health insurance literacy and participation in health insurance among co-operative members in Tanzania. DECISION 2023. [DOI: 10.1007/s40622-023-00331-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Dillip A, Kalolo A, Mayumana I, Rutishauser M, Simon VT, Obrist B. Linking the Community Health Fund with Accredited Drug Dispensing Outlets in Tanzania: exploring potentials, pitfalls, and modalities. J Pharm Policy Pract 2022; 15:106. [PMID: 36582002 PMCID: PMC9801564 DOI: 10.1186/s40545-022-00507-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 12/17/2022] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND In low- and middle-income countries, too, public-private partnerships in health insurance schemes are crucial for improving access to health services. Problems in the public supply chain of medicines often lead to medicine stock-outs which then negatively influence enrolment in and satisfaction with health insurance schemes. To address this challenge, the government of Tanzania embarked on a redesign of the Community Health Fund (CHF) and established a Prime Vendor System (Jazia PVS). Informal and rural population groups, however, rely heavily on another public-private partnership, the Accredited Drug Dispensing Outlets (ADDOs). This study takes up this public demand and explores the potentials, pitfalls, and modalities for linking the improved CHF (iCHF) with ADDOs. METHODS This was a qualitative exploratory study employing different methods of data collection: in-depth interviews, focus group discussions, and document reviews. RESULTS Study participants saw a great potential for linking ADDOs with iCHF, following continuous community complaints about medicine stock-out challenges at public health facilities, a situation that also affects the healthcare staff's working environment. The Jazia PVS was said to have improved the situation of medicine availability at public health facilities, although not fully measuring up to the challenge. Study participants thought linking ADDOs with the iCHF would not only improve access to medicine but also increase member enrolment in the scheme. The main pitfalls that may threaten this linkage include the high price of medicines at ADDOs that cannot be accommodated within the iCHF payment model and inadequate digital skills relevant for communication between iCHF and ADDOs. Participants recommended linking ADDOs with the iCHF by piloting the connection with a few ADDOs meeting the selected criteria, while applying similar modalities for linking private retail outlets with the National Health Insurance Fund (NHIF). CONCLUSIONS As the government of Tanzania is moving toward the Single National Health Insurance Fund, there is a great opportunity to link the iCHF with ADDOs, building on established connections between the NHIF and ADDOs and the lessons learnt from the Jazia PVS. This study provides insights into the relevance of expanding public-private partnership in health insurance schemes in low- and middle-income countries.
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Affiliation(s)
- Angel Dillip
- Apotheker Consultancy (T) Limited, Health Access Initiative, Dar es Salaam, Tanzania
| | - Albino Kalolo
- Department of Public Health, St Francis University College of Health and Allied Sciences, Ifakara, Tanzania
| | - Iddy Mayumana
- Kilombero Valley Health and Livelihood Promotion, Ifakara, Tanzania
| | - Melina Rutishauser
- grid.6612.30000 0004 1937 0642Social Science Department, University of Basel, Basel, Switzerland
| | - Vendelin T. Simon
- grid.8193.30000 0004 0648 0244Anthropology Unit, University of Dar es Salaam, Dar es Salaam, Tanzania
| | - Brigit Obrist
- grid.6612.30000 0004 1937 0642Social Science Department, University of Basel, Basel, Switzerland
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Khalfan MA, Sasi P, Mugusi S. Factors influencing receipt of an antibiotic prescription among insured patients in Tanzania: a cross-sectional study. BMJ Open 2022; 12:e062147. [PMID: 36332955 PMCID: PMC9639089 DOI: 10.1136/bmjopen-2022-062147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES There are limited data on factors influencing antibiotic prescription among insured patients. We assessed for correlates of an antibiotic prescription among insured patients. DESIGN A cross-sectional study. SETTING The study was conducted at the National Health Insurance Fund offices, Dar es Salaam, Tanzania. DATA SOURCE We captured data from the claim forms, containing inpatient and outpatient treatment information for insured patients, for the month of September 2019. OUTCOME VARIABLE Receipt of an antibiotic prescription. EXPOSURE VARIABLES Age, sex, diagnosis, prescriber qualification, health facility level, ownership and department were exposure variables. Predictors of receipt of an antibiotic prescription were determined by Poisson regression analysis. RESULTS Of 993 analysed patients, the mean (±SD) age was 36.3 (±23.2) years, 581 (58.5%) were females and 535 (53.9%) were adults. The prevalence of antibiotic prescription was 46.4% (95% CI 42.8% to 50.0%). Strong predictors of an antibiotic prescription were being a child (1.7, 95% CI 1.3 to 2.2); acute upper respiratory tract infection (URTI) of multiple and unspecified sites (1.6, 95% CI 1.3 to 1.4); chronic rhinitis, nasopharyngitis and pharyngitis (4.0, 95% CI 2.4 to 6.4); being attended by a clinical officer (1.9, 95% CI 1.2 to 3.0); attending a health centre (1.5, 95% CI 1.1 to 2.0); attending a public facility (1.2, 95% CI 1.0 to 1.4) and visiting an inpatient department (2.0, 95% CI 1.2 to 3.4). CONCLUSIONS Among insured patients, being a child, acute URTI, being attended by a clinical officer or dental therapist, being attended by an assistant medical/dental officer, attending a health centre or a district hospital, attending a public health facility and visiting an inpatient department predicted an antibiotic prescription. Incorporation of these findings in revisions or establishment of targeted antimicrobial stewardship programmes may lead to better antibiotic prescribing practices that are critical for combating antibiotic resistance.
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Affiliation(s)
- Mohamed Ally Khalfan
- Department of Clinical Pharmacology, School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania, United Republic of
| | - Philip Sasi
- Department of Clinical Pharmacology, School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania, United Republic of
| | - Sabina Mugusi
- Department of Clinical Pharmacology, School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania, United Republic of
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Ooms GI, van Oirschot J, Okemo D, Reed T, van den Ham HA, Mantel-Teeuwisse AK. Healthcare workers' perspectives on access to sexual and reproductive health services in the public, private and private not-for-profit sectors: insights from Kenya, Tanzania, Uganda and Zambia. BMC Health Serv Res 2022; 22:873. [PMID: 35794551 PMCID: PMC9261038 DOI: 10.1186/s12913-022-08249-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 06/16/2022] [Indexed: 11/18/2022] Open
Abstract
Background Access to sexual and reproductive health services remains a challenge for many in Kenya, Tanzania, Uganda and Zambia. Health service delivery in the four countries is decentralised and provided by the public, private and private not-for-profit sectors. When accessing sexual and reproductive health services, clients encounter numerous challenges, which might differ per sector. Healthcare workers have first-hand insight into what impediments to access exist at their health facility. The aim of this study was to identify differences and commonalities in barriers to access to sexual and reproductive health services across the public, private and private not-for-profit sectors. Methods A cross-sectional survey was conducted among healthcare workers working in health facilities offering sexual and reproductive health services in Kenya (n = 212), Tanzania (n = 371), Uganda (n = 145) and Zambia (n = 243). Data were collected in July 2019. Descriptive statistics were used to describe the data, while binary logistic regression analyses were used to test for significant differences in access barriers and recommendations between sectors. Results According to healthcare workers, the most common barrier to accessing sexual and reproductive health services was poor patient knowledge (37.1%). Following, issues with supply of commodities (42.5%) and frequent stockouts (36.0%) were most often raised in the public sector; in the other sectors these were also raised as an issue. Patient costs were a more significant barrier in the private (33.3%) and private not-for-profit sectors (21.1%) compared to the public sector (4.6%), and religious beliefs were a significant barrier in the private not-for-profit sector compared to the public sector (odds ratio = 2.46, 95% confidence interval = 1.69–3.56). In all sectors delays in the delivery of supplies (37.4-63.9%) was given as main stockout cause. Healthcare workers further believed that it was common that clients were reluctant to access sexual and reproductive health services, due to fear of stigmatisation, their lack of knowledge, myths/superstitions, religious beliefs, and fear of side effects. Healthcare workers recommended client education to tackle this. Conclusions Demand and supply side barriers were manifold across the public, private and private not-for-profit sectors, with some sector-specific, but mostly cross-cutting barriers. To improve access to sexual and reproductive health services, a multi-pronged approach is needed, targeting client knowledge, the weak supply chain system, high costs in the private and private not-for-profit sectors, and religious beliefs. Supplementary Information The online version contains supplementary material available at 10.1186/s12913-022-08249-y.
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Affiliation(s)
- Gaby I Ooms
- Health Action International, Overtoom 60-2, 1054 HK, Amsterdam, The Netherlands. .,Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands.
| | | | | | - Tim Reed
- Health Action International, Overtoom 60-2, 1054 HK, Amsterdam, The Netherlands
| | - Hendrika A van den Ham
- Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
| | - Aukje K Mantel-Teeuwisse
- Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
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A Journey Undertaken by Families to Access General Surgical Care for their Children at Muhimbili National Hospital, Tanzania; Prospective Observational Cohort Study. World J Surg 2022; 46:1643-1659. [PMID: 35412059 PMCID: PMC9174323 DOI: 10.1007/s00268-022-06530-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2022] [Indexed: 10/25/2022]
Abstract
BACKGROUND A majority of the 2 billion children lacking access to safe, timely and affordable surgical care reside in low-and middle-income countries. A barrier to tackling this issue is the paucity of information regarding children's journey to surgical care. We aimed to explore children's journeys and its implications on accessing general paediatric surgical care at Muhimbili National Hospital (MNH), a tertiary centre in Tanzania. METHODS A prospective observational cohort study was undertaken at MNH, recruiting patients undergoing elective and emergency surgeries. Data on socio-demographic, clinical, symptoms onset and 30-days post-operative were collected. Descriptive statistics and Mann-Whitney, Kruskal-Wallis and Fisher's exact tests were used for data analysis. RESULT We recruited 154 children with a median age of 36 months. The majority were referred from regional hospitals due to a lack of paediatric surgery expertise. The time taken to seeking care was significantly greater in those who self-referred (p = 0.0186). Of these participants, 68.4 and 31.1% were able to reach a referring health facility and MNH, respectively, within 2 h of deciding to seek care. Overall insurance coverage was 75.32%. The median out of pocket expenditure for receiving care was $69.00. The incidence of surgical site infection was 10.2%, and only 2 patients died. CONCLUSION Although there have been significant efforts to improve access to safe, timely and affordable surgical care, there is still a need to strengthen children's surgical care system. Investing in regional hospitals may be an effective approach to improve access to children surgical care.
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Ndaki PM, Mushi MF, Mwanga JR, Konje ET, Ntinginya NE, Mmbaga BT, Keenan K, Sabiiti W, Kesby M, Benitez-Paez F, Sandeman A, Holden MTG, Mshana SE, Hatua Consortium. Dispensing Antibiotics without Prescription at Community Pharmacies and Accredited Drug Dispensing Outlets in Tanzania: A Cross-Sectional Study. Antibiotics (Basel) 2021; 10:1025. [PMID: 34439074 PMCID: PMC8389015 DOI: 10.3390/antibiotics10081025] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/30/2021] [Accepted: 08/18/2021] [Indexed: 11/16/2022] Open
Abstract
Worldwide, antimicrobial resistance is increasing rapidly and is associated with misuse of antimicrobials. The HATUA study (a broader 3-country study) investigated the antibiotic dispensing practices of pharmaceutical providers to clients, particularly the propensity to dispense without prescription. A cross-sectional study using a 'mystery client' method was conducted in 1148 community pharmacies and accredited drugs dispensing outlets (ADDO) in Mwanza (n = 612), Mbeya (n = 304) and Kilimanjaro (n = 232) in Tanzania. Mystery clients asked directly for amoxicillin, had no prescription to present, did not discuss symptoms unless asked [when asked reported UTI-like symptoms] and attempted to buy a half course. Dispensing of amoxicillin without prescription was common [88.2, 95%CI 86.3-89.9%], across all three regions. Furthermore, the majority of outlets sold a half course of amoxicillin without prescription: Mwanza (98%), Mbeya (99%) and Kilimanjaro (98%). Generally, most providers in all three regions dispensed amoxicillin on demand, without asking the client any questions, with significant variations among regions [p-value = 0.003]. In Mbeya and Kilimanjaro, providers in ADDOs were more likely to do this than those in pharmacies but no difference was observed in Mwanza. While the Tanzanian government has laws, regulations and guidelines that prohibit antibiotic dispensing without prescription, our study suggests non-compliance by drug providers. Enforcement, surveillance, and the provision of continuing education on dispensing practices is recommended, particularly for ADDO providers.
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Affiliation(s)
- Pendo M Ndaki
- Department of Biostatistics, Epidemiology and Behavioral Sciences, School of Public Health, Catholic University of Health and Allied Sciences, Mwanza P.O. Box 1464, Tanzania
| | - Martha F Mushi
- Department of Microbiology and Immunology, Weill Bugando School of Medicine, Catholic University of Health and Allied Sciences, Mwanza P.O. Box 1464, Tanzania
| | - Joseph R Mwanga
- Department of Biostatistics, Epidemiology and Behavioral Sciences, School of Public Health, Catholic University of Health and Allied Sciences, Mwanza P.O. Box 1464, Tanzania
| | - Eveline T Konje
- Department of Biostatistics, Epidemiology and Behavioral Sciences, School of Public Health, Catholic University of Health and Allied Sciences, Mwanza P.O. Box 1464, Tanzania
| | - Nyanda E Ntinginya
- Mbeya Centre, National Medical Research Institute, Mbeya P.O. Box 2410, Tanzania
| | - Blandina T Mmbaga
- Kilimanjaro Christian Medical Centre, Kilimanjaro Clinical Research Institute, Kilimanjaro Christian Medical University College, Moshi P.O. Box 2236, Tanzania
| | - Katherine Keenan
- Geography and Sustainable Development Department, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Wilber Sabiiti
- Division of Infection and Global Health, School of Medicine, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Mike Kesby
- Geography and Sustainable Development Department, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Fernando Benitez-Paez
- Geography and Sustainable Development Department, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Alison Sandeman
- Division of Infection and Global Health, School of Medicine, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Matthew T G Holden
- Division of Infection and Global Health, School of Medicine, University of St. Andrews, St. Andrews KY16 9AL, UK
| | - Stephen E Mshana
- Department of Microbiology and Immunology, Weill Bugando School of Medicine, Catholic University of Health and Allied Sciences, Mwanza P.O. Box 1464, Tanzania
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