Psychiatric Pharmacy: New Role of Pharmacists in Mental Health Volume 2 - Issue 4

Abdul Kader Mohiuddin*

• Department of Pharmacy, World University of Bangladesh, Bangladesh

Received: July 22, 2019;   Published: July 26, 2019

Corresponding author: Abdul Kader Mohiuddin, Department of Pharmacy, World University of Bangladesh

DOI: 10.32474/SJPBS.2019.02.000144

Abstract PDF

Abstract

Psychiatric disorders are one of the major causes of global burden of diseases. Stigma remains a major impediment in the delivery of mental healthcare. It has been found across various studies that attitudes of doctors of other specialties and other healthcare professionals also contribute to stigma due to their lack of knowledge and awareness about psychiatry and mental health problems. The number of mental health professionals remains abysmally low. Community pharmacists are accessible, knowledgeable, and capable of providing mental health promotion and care in communities. This may not be a role that is recognized by the public, and men in particular. However, psychotherapy paired with medication is the most effective way to promote recovery. Examples include: Cognitive Behavioral Therapy, Exposure Therapy, Dialectical Behavior Therapy, etc. Pharmacists can play a key role by providing mental health medication management support to improve access and address patients’ mental health needs.

Keywords: Mental Health; Mental Disorders; Social Stigma; Barriers to Access Mental Health; Anxiety and Depression

Abbreviations: NAMI: National Alliance on Mental Illness; QOL: Quality of Life; PCPs’: Primary Care Providers’; PCMHs : PatientCentered Medical Home; MHPSS : Mental health and psychosocial support; ABS: Australian Bureau of Statistics; NSMHWB: National Survey of Mental Health and Wellbeing; CHD: Coronary heart disease; NMHS: National Mental Health Survey; MH: Mental Health; MTM : Medication therapy management; PES: Psychiatric emergency services; ADT: Antidepressant drug treatment; CANMAT: Canadian Network for Mood and Anxiety Treatments; CDC: Centers for Disease Control and Prevention; MDD: Major depressive disorder; MHFA: Mental Health First Aid™; PCMHI: Primary Care Mental Health Integration; CPS: Clinical pharmacy specialist

Introduction

Talking about MH is the first step in overcoming the stigma that encompasses it. As we start to better understand the experiences of those whose lives are affected by MH issues, we also start to build connections that help people live healthier, freer and less painful existences (Figure 1). Almost 1 in 5 adults (44 million) in the US experiences mental illness and distress in a given year, according to the NAMI. A nearly 10 million experience a debilitating mental illness that substantially interferes with their QoL [1,2]. Mental and addictive disorders affected more than 1 billion people globally in 2016. They caused 7% of all global burden of disease as measured in DALYs and 19% of all years lived with disability [3]. Depression was the leading cause of disability in the world, and suicide was the 10th leading cause of death in 2015 [2]. Major depressive disorder (MDD) is the fourth cause of disability around the world and is estimated to be the second leading cause of disability by 2020 [4]. Over the past 20 years the prevalence of child and adolescent mental disorders in high-income countries has not changed despite increased investment in MH services. Insufficient contact with MH services may be a contributing factor [5]. In EU, factors that had the strongest association with depression were chronic diseases, pain, limitations in daily living, grip strength and cognitive impairment. The gap in MH service use was nearly 80% [6]. The treatment gap in developing countries was 76%-85%, according to WHO. According NMHS, it is 83% in India for mental disorder and 86% for alcohol use disorders [7]. stated that mental morbidity above the age of 18 years is 10.6% with a lifetime prevalence of 13.7%. This means that 150 million Indians need active intervention [8]. Canadian Mental Health Association estimated that 500,000 Canadians miss work every week due to MH issues, costing the Canadian economy approximately $51 billion dollars per year, as reported by [9]. According to Australian Bureau of Statistics (ABS) National Survey of Mental Health and Wellbeing (NSMHWB) 45% of Australians had experienced a mental disorder in their lifetime, with 20% experiencing a mental disorder in the previous year [10]. Refugees and asylum seekers often have increased MH needs, yet may face barriers in accessing MHPSS services in destination countries [11].

Also, Stated that mental illness can be a function or cause of homelessness, and 60% of chronically homeless individuals have a serious mental illness (including major mood or psychotic disorders) [12]. 2019 reported that individuals with invisible psychiatric disabilities have lower levels of self-concept and body image compared to individuals with visible physical disabilities. Gender, family status and the severity level of the disability were found to be associated with self-concept and body image [13]. 2019 reported that, among respondents with at least 1 mental disorder, more or less 50% have 1 or more additional lifetime diagnoses [14]. Mental disorders and suicide resulting from overwork or work-related stress have become major occupational health issues worldwide, particularly in Asian countries [15]. Depression and anxiety in more common chronic physical conditions such as CHD or diabetes can be associated with increased mortality, as reported. Additionally, depression is associated with an increase of about 50% in costs of chronic medical illness [16]. 2019 reported that anxiety and depression lead to sexual dysfunction is between 30% and 70% in sexually active men and women in high-income countries [17]. Despite psychiatry’s current status as the sixth largest medical specialty, the supply of available clinicians has not kept up with demand [18]. Outside of the diagnosis and treatment of depression, PCPs indicate a lack of comfort in treating PCMH patients with MH disorders [19]. Efforts to improve the outcomes of patients with mental illness often have involved incorporating the skills of a variety of health care professionals into collaborative care models. For over 40 years, clinical pharmacists have contributed to these care models in capacities ranging from educator to consultant to provider [20]. Medicines are a major treatment modality of management for many mental illnesses and pharmacists are therefore well positioned to enhance MH services with the potential to reduce the associated burden of mental disorders [21]. A study conducted by the CDC estimated that 22% of American adults had filled a prescription for anxiolytics, hypnotics, anticonvulsants, and antidepressants in the past 30 days [22]. According to epidemiological studies, about 70% of patients with depression and anxiety are treated in PHC, and about 75% of all antidepressants are prescribed by general practitioners (GPs), reported by 2019. In 2014 depression was the main diagnosis in about 35% of all cases of prolonged sick leave (≥60 days) [23]. Antidepressant drug treatment (ADT), alone or in combination with psychotherapy, is recommended by the CANMAT for a minimum duration of 8 months. However, a large proportion of individuals show suboptimal adherence to ADT. In previous studies, more than 35% to 70% ceased treatment within 6 months, with up to 25% to 40% of patients having ceased their treatment within the first month [24,25]. Also, reported non-adherence to antidepressants is high among older patients with depression in primary care settings [26]. Even after achieving remission, depression has higher rates of recurrence in up to 80% of all MDD patients with odds of becoming chronic in 20% of patients. The onset of each new major depressive episode increases the chances of relapse, chronicity, and treatment-resistant depression [27]. 10%-30% of MDD patients do not improve or show a partial response coupled with functional impairment, poor quality of life, suicide ideation and attempts, self-injurious behavior, and a high relapse rate [28]. Pharmacists are highly accessible health care professionals, trusted by the public and have regular interactions with consumers that suffer acute mental illness [29,30].

Medication counselling provided by community pharmacists is an important source of medication information for patients and their caregivers. Community-pharmacy based medication counselling interventions have resulted in improved patient adherence to antidepressant and antipsychotic medications [31]. Transitions in care have the potential to be destabilizing periods for many patients and is an area where pharmacist-performed medication therapy management (MTM) has been found to be beneficial [32]. The pharmacist interim prescriber clinic was associated with a significant decrease in mean number of patients seen per month in PES [18]. The clinical pharmacist can make an impact by improving mild-to-moderate MH conditions, promoting interdisciplinary collaboration, and increasing documentation and follow-up that align with published treatment guidelines [2]. Reported that pharmacists improved rate of patient interest in behavioral health counseling during the consult and recommending counseling directly to the patient or even initiating the referral themselves [33]. Highlighted the value of the pharmacist’s involvement, suggesting the potential for improved nutrition, physical activity, and sleep for patients with MH conditions, at least in the short term [34]. Throughout the United States, pharmacists have crafted interventions designed to prevent, identify, and manage opioid misuse and abuse [35]. Also, Reported that physicians and nurses have mostly positive perceptions and expectations from clinical pharmacists at the psychiatric hospital [36]. In Australia, The Pharmaceutical Society’s Mental Healthcare Framework recognizes pharmacists as primary health care professionals who have an important role to play within MH care. Globally, the International Pharmaceutical Federation has urged members to include pharmacists as part of their “human resource development policy” so that “an increase by 20% of service coverage for severe mental disorders can be achieved” [37]. Says pharmacists are not practicing to their full scope of practice in mental illness and addictions care for several reasons including limitations within the work environment and lack of structures and processes in place to be fully engaged as health care professionals [38]. Sexual dysfunction is an underdiscussed adverse effect to antidepressants and may increase the risk for discontinuation and nonadherence to antidepressant pharmacotherapy [39-42]. Sildenafil effectively improved erectile function and other aspects of sexual function in men with sexual dysfunction associated with the use of SRI antidepressants [43]. Clinical pharmacists increased their skillset for treating depression and anxiety and enhanced their ability to make interventions with patients who are referred to them for other chronic disease state management (e.g. hypertension, chronic pain) [44]. Though pharmacists are trained in psychopharmacology, they lack formal MH intervention skills [29]. A solution to address this gap is to up-skill pharmacists in mental health first aid MHFA. It is an educational program geared towards educating MHFA responders to assist those who may be experiencing a MH condition or disorder [45]. Latzman Reported that approximately 20% to 50% of adults with SMI did not receive past-year MH services [46]. Douglass Reported that stigma has a significant impact on the treatment of MH, with substantial implications on patient quality of life. To provide professional, culturally sensitive care, pharmacists should reflect on their skills, attitudes, and beliefs of MH treatment and actively participate in changing the stigma of mental illnesses [47].

Evidence suggests that socioeconomic factors can have the greatest effect on health and wellbeing, accounting for 40% of all influences on the individual. Taylor recommended inclusion of pharmacy team in social prescribing pathways would widen the ability to support people with psychosocial needs arising from non-medical determinants and reach people who are unable to access general practice health services [48]. The complexity of psychotropic drug therapy would be expected to increase, and the challenges inherent to the safe pharmacological treatment of mental disorders will expand. The merits of a partnership approach with collaborative work involving psychiatrists and pharmacists have been established [49]. With provider education and appropriate physician champions, pharmacists are able to work collaboratively with psychiatrists in an MH clinic [50]. A Primary Care Mental Health Integration (PCMHI) clinical pharmacy specialist (CPS) successfully manages and maintains patients with uncomplicated MH conditions in primary care through evidencebased pharmacotherapy, as evidenced by symptom improvement, medication adherence, and low rate of specialty MH referrals [51].

Acknowledgement

I’m thankful to Dr. Om Prakash Singh, Professor of Psychiatry, WBMES and Consultant Psychiatrists, AMRI Hospital, Dhakuria, Kolkata, West Bengal, India for his valuable time to audit my paper and for his thoughtful suggestions. I’m also grateful to seminar library of Faculty of Pharmacy, University of Dhaka and BANSDOC Library, Bangladesh for providing me books, journal and newsletters.

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