Background
Online information about safety of medications during pregnancy and breastfeeding is shown to be conflicting, resulting in anxiety and abstaining from use. The aim of this study was to characterize questions to SafeMotherMedicine, a web-based medicines information service for pregnant and breastfeeding women, to identify target areas that could guide subsequent development of medicines information directed at pregnant and breastfeeding women.
Methods
The SafeMotherMedicine database contains all questions received through the web-based service and their corresponding answers. A retrospective database analysis of questions received from January 2016 to September 2018 was performed, using descriptive statistics.
Results
A total of 11 618 questions were received including 5 985 questions (51.5%) concerning pregnancy, 4 878 questions (42.0%) concerning breastfeeding, and 755 questions (6.5%) concerning both conditions. The medications in question represented all therapeutic groups with paracetamol (7.0%), ibuprofen (4.1%), cetirizine (3.3%), desloratadine (3.2%) and meclizine (2.8%) being the top five. The 20 medications most frequently asked about for either pregnancy, breastfeeding or both pregnancy and breastfeeding, constituted half of all questions and were used to identify target areas. These included both symptomatic relief of common complaints, such as pain, nausea, and rhinitis, as well as treatment of chronic conditions such as allergy, psychiatric disorders, and asthma. Analysis of a subset of questions showed that most of these questions were asked before use of medications in a current pregnancy (49%) or during breastfeeding (72%). The questions concerned use of medications in all stages of pregnancy and breastfeeding. For 81.6% of the questions concerning pregnancy, and for 84.2% of the questions concerning breastfeeding, information of no or low risk for the foetus or the breastfed infant was provided by SafeMotherMedicine.
Conclusions
We found that target areas for medicines information directed at pregnant and breastfeeding women included both symptomatic relief of common complaints as well as treatment of chronic conditions. The questions concerned a wide range of medications and involved use in all stages of pregnancy and breastfeeding. Our findings indicate that developing medicines information addressing the identified target areas will meet the information need for a large proportion of this patient group.
Pharmacological treatment of attention deficit hyperactivity disorder (ADHD) is challenging due to a wide age span among patients, risk of reduced adherence, and comorbidities like psychiatric disorders and drug addiction. Drugs used for ADHD are associated with risk of interactions and adverse drug reactions due to their potent pharmacological effect. In this brief report we aimed to describe real-world problem areas concerning interactions in pharmacotherapy of ADHD. We reviewed questions to a Norwegian drug information center from physicians concerning drug-drug interactions involving ADHD drugs in the last 10-year period. Questions were retrieved by a combination of indexed and Boolean database searches, in addition to manual inspection. ADHD drugs and interacting drugs were defined according to the Anatomical Therapeutic Chemical (ATC) classification system. Interactions were classified by use of Stockley’s Interactions Checker (SIC). Answers were examined with regard to whether the advice from the drug information center was more restrictive, similar or more liberal than SIC when assessing drug combinations. We retrieved 61 questions that included assessment of 96 drug combinations, and found 33 potential interactions according to SIC. Methylphenidate was involved in more than 50% of the interactions, and interacting drugs were in nearly 70% of the cases from ATC-group N (Nervous system) with antidepressants most frequently involved. Seventy percent of the interactions were pharmacodynamic, and interactions were frequently described as potentially severe although they were based on theoretical evidence. All the 33 interactions could be handled with monitoring or adjusting dose or with informative measures, and none was contraindicated according to SIC. More than 90% of the questions came from physicians in hospitals or outpatient specialist practice, and questions mainly concerned adults. In 75% of the drug combinations that involved ADHD drugs, we found similar advice from SIC and the drug information center. Our results suggest that future drug information efforts in ADHD treatment to clinicians, including specialists in the field, should focus on psychotropic interactions.
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