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PubMed2005

Fulminant hepatitis during self-medication with hydroalcoholic extract of green tea.

Despite an ancient reputation for potential phytotherapeutic effects and innocuity, traditional herbal medicine has previously been implicated in severe adverse events. Exolise is an 80% ethanolic dry extract of green tea (Camellia sinensis) standardized at 25% catechins expressed as epigallocatechin gallate, containing 5-10% caffeine. It has been available in France, Belgium, Spain and the United Kingdom since 1999, as an adjuvant therapy for use in weight loss programmes. In various studies, green tea has to date been considered useful for its potential hepatic protective properties. In this study, we report a case of fulminant hepatitis during self-medication with Exolise, requiring liver transplantation.

Camellia sinensis↗
PubMed2000

Accuracy of patient self-medication with topical eardrops.

Topical eardrops are commonly prescribed by otolaryngologists and general practitioners and many believe that patient compliance is poor, although this has not been studied in a properly controlled manner. Thirty-nine patients with otitis externa were reviewed four times during a two-week course of topical eardrops and their treatment compliance studied. The patients tended to undermedicate themselves, and this tendency increased over the two-week period. Patients were administering significantly fewer drops by the end of day 11 than by the end of day 3 (p = 0.2). Compliance patterns were extremely poor, in that only 40 per cent of patients were managing to self-medicate within a 25 per cent error margin by the end of day 3. These findings may have future implications in the ongoing debate on eardrop use.

Administration, Topical↗
PubMed2005

An examination of self-medication and rebound effects: Psychiatric symptomatology before and after alcohol or drug relapse.

This study evaluated psychiatric symptoms preceding and following initial posttreatment substance use episodes. 125 veterans meeting DSM-IV criteria for alcohol, cannabis, and/or stimulant dependence at treatment entry were followed with quarterly interviews for one year. Approximately half of the sample met criteria for substance use disorders only (n = 65; SUD-only) and half additionally met criteria for an independent non-substance related Axis I disorder (n = 60; SUD-PSY). SUD-PSY adults reported more psychiatric symptoms preceding and following substance use compared to SUD-only adults. Depression and anxiety symptoms were commonly reported by both groups. Symptoms typically did not change or worsened after substance use, with depression worsening more than anxiety or psychotic symptoms. Findings are discussed in relation to the Self-Medication Hypothesis and the Rebound Hypothesis.

Adult↗
PubMed2004

An experimental study of leaf swallowing in captive chimpanzees: insights into the origin of a self-medicative behavior and the role of social learning.

Chimpanzees in the wild swallow the rough hispid leaves of certain plant species as a means of physically expelling intestinal parasites. A plant with such a leaf texture was introduced in 36 trial sessions to a captive group of 11 healthy adult chimpanzees to investigate the possible origin and acquisition of leaf swallowing behavior. One male (housed separately from the group during testing) and one female, both captive born, spontaneously exhibited the behavior on their first trial without prior opportunity to observe others with this plant. Six other chimpanzees on their first trial displayed a phobic response to these leaves and rejected them entirely, while another two chewed and swallowed the leaves in a normal way. Four individuals eventually exhibited the behavior, after having approached and closely observed the leaf swallowing of the first female to exhibit the behavior in the group. Four of the six individuals that initially avoided the leaves never overcame their phobia toward this plant and were not in proximity to a chimpanzee performing leaf swallowing during test sessions. Individuals born to wild chimpanzee mothers were no more likely to perform the behavior than captive-reared group mates. These results suggest that the acquisition of this behavior is based in part on a propensity to fold and swallow rough, hispid leaves, but that the acquisition and spread of leaf swallowing within a group is likely to be socially influenced. This study provides support for the hypothesis that leaf swallowing originated in the wild from opportunistic feeding behavior and was later passed down in the form of a self-medicative behavioral tradition.

Animals↗
PubMed1988

Self-medication with chloroquine for malaria prophylaxis in urban and rural Zimbabweans.

Representatives of 200 urban and 200 rural households were interviewed to determine the extent and appropriateness of the use of chloroquine obtained over-the-counter for malaria prophylaxis. Malaria prophylaxis was taken by 38 urban and 65 rural respondents. Chloroquine was the only drug used and was found in 7 urban and 40 rural households. The presence of chloroquine was detected in 4/130 urban and 11/136 rural urine samples tested. Knowledge about chloroquine was unsatisfactory with 6 urban and 10 rural respondents aware that chloroquine could have harmful adverse effects. The doses of chloroquine taken for prophylaxis varied widely, and of the 103 respondents who took prophylaxis only 16% (urban) and 31% (rural) were taking the correct dose. Self-medication accounts for a substantial, little acknowledged, portion of chloroquine use. To limit appropriate use of a powerful, potentially dangerous antimalarial drug and perhaps extend the useful therapeutic life of chloroquine clear recommendations and population education are needed.

Adolescent↗
PubMed2004

Benzodiazepines utilization and self-medication as correlates of stress in the population of Serbia.

BACKGROUND: High consumption of benzodiazepines (BDZ) occurs in populations exposed to stress. In the last decade of the 20th century, when the population of Serbia experienced increasing economic hardships due to the civil war in former Yugoslavia, UN sanctions and air raids in 1999, diazepam became the most frequently prescribed drug. This period was also characterized by the free marketing of all drugs, which made them available without prescription. OBJECTIVE: To investigate the consumption and the pattern of use of BDZ in the population of Belgrade and Serbia in the period of 1990-2001. MATERIALS AND METHODS: Data on benzodiazepines prescribing and on wholesale in general population of Belgrade and Serbia were collected. In a cross-sectional study of drug prescribing in general practice data were obtained from 1800 patient records in the primary health care centers in Serbia. Statistical analysis was performed by using standard non-parametric tests. RESULTS: Annual rates of BDZ prescribing in Belgrade from 1990 to 1999 were rather uniform (approx. 25 DDD/1000 inhabitants/day), with slight tendency to decrease. In Serbia as a whole, there were significant differences in the annual prescribing rates over the period 1998-2000. The wholesale of BDZ in Serbia significantly increased between 1991 and 2001, with the peak of 133 DDD/1000 inhabitants/day in 1999. The wholesale of BDZ was significantly greater that the rates of prescribing in corresponding years. Over the 10 year period, the numbers of visits to GPs and psychiatrists and the number of neurotic diagnoses were significantly reduced. The use of BDZ in psychiatric hospital increased significantly in 1999 as compared to 1998, although the number of admissions and the occupancy of hospital beds were reduced. In primary health care, diazepam was the most frequently prescribed drug predominantly for non-psychiatric diagnoses. CONCLUSIONS: It is concluded that in the last decade, the utilization of BDZ was increased in the population of Belgrade and Serbia, indicating a clear trend to self-medication, particularly in the period of acute war crisis.

Benzodiazepines↗
PubMedDate not supplied

Heartburn, oesophagitis and Barrett's oesophagus in self-medicating patients in general practice.

A postal questionnaire on heartburn sent to 6760 randomly selected subjects yielded 3971 replies suitable for analysis. Heartburn had never been experienced by 1665 (42%) respondents. Significant symptoms of more than three months' duration that had occurred at least once a month in the preceding 12 months were reported by 1337 (34%) respondents. Of these, 875 had not consulted their general practitioner and were invited to attend for a structured interview with questionnaire and upper gastrointestinal endoscopy. A total of 177 were interviewed, and 143 underwent upper gastrointestinal endoscopy. Of those endoscoped, 106 (74%) experienced symptoms at least once a week. These were relieved by alginate consumption in 97 (68% of) cases. Just nine (6%) patients had been taking H2-receptor antagonists. Macroscopic appearances of oesophagitis were seen in 46 cases [13 (6%) grade 1, 24 (11%) grade 2, five (2%) grade 3, two (1%) grade 4, and two (1%) grade 5]. Three patients had mild strictures and six patients had Barrett's oesophagus. There were no appearances suggestive of malignancy. Biopsies were taken in 122 cases, including all those in which abnormalities had been seen. Histological evidence of oesophagitis was seen in 47 cases. Gastric metaplasia was found in six cases and dysplasia seen in three. Patients who self-medicate for reflux symptoms have a low prevalence of pre-neoplastic and neoplastic pathology. A substantial proportion, however, have histological evidence of oesophagitis and a small number have metaplasia.

Adult↗
PubMed1994

Health problems and self-medication among Swedish travellers.

500 consecutive travellers seeking pre-travel health advice were issued a questionnaire before leaving Sweden to continuously record health problems and use of medication during travel. Of 442 subjects who turned in assessable questionnaires (232 male and 210 female, mean age 37 years), 81% travelled to areas at high risk for the acquisition of diarrhea. The mean duration of travel was 4 weeks. During travel 218 (49% at 95% CI 44.3 to 53.7%) of the travellers experienced some illness and 61 (14%) had symptoms of more than one illness. The mean duration of illness was 4.5 days, and 65 subjects (30% of ill travellers) were confined to bed for a mean duration of 2 days. The incidence of illness was significantly (p < 0.01) higher among travellers to high risk than to low risk areas (55% vs 26%), among young travellers than among elderly (65% vs 33%), and among those going on adventure tours compared with recreational tourists (74% vs 41%). Diarrhea was reported by 36% (95% CI 31.6 to 40.5%), and respiratory tract infection by 21% (95% CI 17.2 to 24.8%). Self-medication with one or several drugs was initiated by 163 (75%) travellers experiencing illness during travel. Thus, every second Swedish traveller to tropical and subtropical areas experienced some kind of travel-related, often incapacitating, health problem.

Adolescent↗
PubMed2005

Self-medication of mental health problems: new evidence from a national survey.

OBJECTIVE: To evaluate the association between past 30-day use of alcohol, marijuana, and other illicit drugs and past year unmet need for and use of mental health care. DATA SOURCE: A subsample of 18,849 respondents from the 2001 National Household Survey on Drug Abuse and the 2002 National Survey on Drug Use and Health. Subjects were between the ages of 18 and 65 years and had least one past year mental disorder symptom and no past year substance dependency. STUDY DESIGN: Logistic regressions of past 30-day substance use on past 12-month unmet need for mental health care and past 12-month use of mental health services controlling for clinical and sociodemographic characteristics. Predicted probabilities and corresponding standard errors are reported. PRINCIPAL FINDINGS: Use of illicit drugs other than marijuana increased with unmet need for mental health care (4.4 versus 3.2 percent, p=.046) but was not reduced with mental health-care use. Heavy alcohol use was not associated with increased unmet need for mental health care, but was higher among individuals with no mental health care use (4.4 percent versus 2.7 percent, p<.001). By contrast, marijuana use did not appear associated with either unmet need or mental health care use. CONCLUSIONS: Substance use varies with past year unmet need for mental health care and mental health care use in ways consistent with the self-medication hypothesis. Results suggest that timely screening and treatment of mental health problems may prevent the development of substance-use disorders among those with mental disorders. Further research should identify subgroups of individuals for whom timely and appropriate mental health treatment would prevent the development of substance-use disorders.

Adult↗
PubMed1996

Self-medication of a single headache episode with ketoprofen, ibuprofen or placebo, home-monitored with an electronic patient diary.

1. The objective of this study was to investigate the efficacy of home-medicated non-steroidal anti-inflammatory (NSAID) analgesics, using an electronic patient diary. Single doses of ketoprofen 25 mg and ketoprofen 50 mg were compared with ibuprofen 200 mg and placebo in the treatment of a single occasion of episodic tension-type headache, using a double-blind, randomized, parallel group design. 2. A total of 166 patients with headache compatible with episodic tension-type headache and no refractory headaches or contraindications to NSAIDs were contacted by advertisements and selected by questionnaires. Patients performed the study at home, using an electronic diary for headache assessment, with a form to allow comments and corrections. Visual analogue scales (VAS 10 cm) of headache severity, five-item headache relief rating (HRR) scales, and time of intake of 'escape' analgesics were scored regularly, for 4 h following intake of trial medication. 3. VAS-scores (n = 1407) and HRRs (n = 452) were returned by 159 patients. Of these scores, 1.5% were inadvertently omitted from the electronic diary or modified on the comment forms. 4. Headache (VAS and HRR) improved more with all three NSAIDs than with placebo, although the effect of ibuprofen was significant for HRR only. After 2 and 4 h respectively, the reduction in VAS-ratios was 17 and 19% with placebo, 18 and 53% with ibuprofen 200 mg, 41 and 61% with ketoprofen 25 mg, and 47 and 59% with ketoprofen 50 mg. After 4 h, headache improved strongly (highest HRR) in 18% of patients on placebo, 39% on ibuprofen 200 mg, 62% on ketoprofen 25 mg, and 55% on ketoprofen 50 mg. Headache disappeared completely (VAS-score = 0) in one patient (3%) with placebo (after 180 min), 10% with ibuprofen 200 mg (average 211 min), 18% with ketoprofen 25 mg (159 min), and 28% with ketoprofen 50 mg (146 min). 5. The effects of ketoprofen 50 mg were more pronounced than those of ibuprofen 200 mg, which seemed to start later. Ketoprofen 25 mg and 50 mg were very similar, suggesting a maximal effect of the lower dose. Mild to moderate adverse events were reported by 9% of the patients, half of which occurred with ketoprofen 50 mg. Treatment of headache with ketoprofen can start with 25 mg, and possibly less. 6. Although a direct comparative study would be necessary to determine the relative benefits of the novel electronic patient diaries over traditional paper-and-pencil methods, this study has shown the usefulness of this newer technique to detect differences in efficacy between low doses of analgesics under ambulant conditions, with very limited loss of data. Electronic patient diaries appear to be an important new attribute for the efficacy assessment of self-medicated drugs.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed1995

Client self medication on a psychogeriatric unit.

1. Changing trends in health care reflect increasing involvement with clients and families in the development of treatment plans, such as self medication planning. 2. Acting as an advocate for the client, the nurse, in consultation with the client and the multidisciplinary team, developed a consumer-centered program, which allowed the client to master a complicated medication regime prior to discharge. 3. Discharge planning, follow-up, and evaluation of medication compliance, ensured continuity of care, successful outcomes, and reduced use of in-hospital health care dollars.

Aged↗
PubMed2004

The in vitro anti-giardial activity of extracts from plants that are used for self-medication by AIDS patients in southern Thailand.

This study evaluated the anti-giardial activity of chloroform, methanol and water extracts of 12 medicinal plants (39 extracts), commonly used as self medication by AIDS patients in southern Thailand. The plant extracts and a standard drug, metronidazole, were incubated with 2x10(5) trophozoites of Giardia intestinalis per millilitre of growth medium in 96-well tissue culture plates under anaerobic conditions for 24 h. The cultures were examined with an inverted microscope and the minimum inhibitory concentration and the IC50 value for each extract was determined. The chloroform extracts from Alpinia galanga, Boesenbergia pandurata, Eclipta prostrata, Piper betle, Piper chaba, Zingiber zerumbet, and the methanol extracts from B. pandurata and E. prostrata were classified as "active", i.e. with an IC50 of <100 microg/ml, whereas the chloroform extract from Murraya paniculata was classified as being "moderately active". This study shows that extracts from some medicinal plants have potential for use as therapeutic agents against G. intestinalis infections.

Alpinia↗
PubMed2002

Sexual assault and alcohol use: exploring the self-medication hypothesis.

Though a link between sexual victimization and alcohol use has been well documented, the mechanisms underlying this relationship remain unclear. The current study used path analysis to examine the role of self-reported levels of psychological distress and the function of alcohol use as indirect pathways between adult sexual assault and alcohol use. Participants were 318 undergraduate female victims and nonvictims of adult sexual assault. Results showed that a history of sexual assault was associated with increased psychological distress, which in turn contributed to alcohol use via negative reinforcement. Taken together, these findings provided support for the hypothesis that women who have been sexually assaulted consume alcohol, in part, to self-medicate. The implications for future research are discussed.

Adult↗
PubMed1962

The appearance of pyrimethamine resistance in Plasmodium falciparum following self-medication by a rural community in Ghana.

During the preparatory phase of the Malaria Eradication Pilot Project in Ghana, a weekly pyrimethamine regimen was instituted at two hyperendemic villages, primarily to assess the reliability of self-administration techniques under local conditions.After initial supervised individual administrations, weekly distribution of family drug requirements was made to a responsible member of each household by volunteer community leaders.Although parasite rates fell from 71% to 6.5% after four weeks, recurrence of Plasmodium falciparum parasitaemia was observed by the 37th week. Resistance in that species was confirmed, associated with successful sporogony in Anopheles gambiae, after supervised pyrimethamine treatment equivalent to twice the routine dosage.Emergence of this high-grade drug resistance was attributable to irregular self-administration by the local population of the tablets collected for each household. It was therefore concluded that under the conditions obtaining, self-medication was not a reliable method for mass distribution of pyrimethamine.

Antimalarials↗