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Diphenhydramine

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https://www.readbyqxmd.com/read/28514187/diphenhydramine-inhibits-voltage-gated-proton-channels-hv1-and-induces-acidification-in-leukemic-jurkat-t-cells-new-insights-into-the-pro-apoptotic-effects-of-antihistaminic-drugs
#1
Agustín Asuaje, Pedro Martín, Nicolás Enrique, Leandro Agustín Díaz Zegarra, Paola Smaldini, Guillermo Docena, Verónica Milesi
An established characteristic of neoplastic cells is their metabolic reprogramming, known as the Warburg effect, with greater reliance on energetically less efficient pathways (such as glycolysis and pentose phosphate shunt) compared with oxidative phosphorylation. This results in an overproduction of acidic species that must be extruded to maintain intracellular homeostasis. We recently described that blocking the proton currents in leukemic cells mediated by Hv1 ion channels triggers a marked intracellular acidification and apoptosis induction...
May 17, 2017: Channels
https://www.readbyqxmd.com/read/28504347/a-rapid-method-to-screen-poisoning-causative-agents-in-an-acute-care-hospital-in-japan
#2
K Usui, H Mori, T Tachi, T Matsumura, K Mori, A Takeda, Y Noguchi, T Yoshimura, H Teramachi
WHAT IS KNOWN AND OBJECTIVE: A simple, rapid analysis is required to simultaneously analyse medicinal toxicants in emergency medical care. In this regard, the analysis of blood samples by LC-MS/MS equipped with a spin column, involving a rapid, simple pretreatment, has attracted attention. In this study, sample pretreatment using a Monospin C18 column was performed to screen 11 medicinal toxicants in blood samples by LC-MS/MS. METHODS: Serum samples supplemented with 11 medical toxicants-acetaminophen, salicylic acid, nitrazepam, diphenhydramine, bromvalerylurea, phenobarbital, amitriptyline, risperidone, fenitrothion, malathion and methomyl-were pretreated with the Monospin C18 column according to Pretreatment I and Pretreatment II, followed by LC-MS/MS analysis...
May 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28477358/are-exposure-predictions-used-for-the-prioritisation-of-pharmaceuticals-in-the-environment-fit-for-purpose
#3
Emily E Burns, Jane Thomas-Oates, Dana W Kolpin, Edward T Furlong, Alistair B A Boxall
Prioritisation methodologies are often used for identifying those pharmaceuticals that pose the greatest risk to the natural environment and to focus laboratory testing or environmental monitoring towards pharmaceuticals of greatest concern. Risk-based prioritisation approaches, employing models to derive exposure concentrations, are commonly used but the reliability of these models is unclear. The present study evaluated the accuracy of exposure models commonly used for pharmaceutical prioritisation. Targeted monitoring was conducted for 95 pharmaceuticals in the Rivers Foss and Ouse in the City of York, UK...
May 6, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28466395/over-the-counter-medications-containing-diphenhydramine-and-doxylamine-used-by-older-adults-to-improve-sleep
#4
Olufunmilola Abraham, Loren Schleiden, Steven M Albert
Background The unintentional misuse of over-the-counter sleep aids among older adults is an important public health problem and a focus of Healthy People 2020. Accordingly, the 2015 Beers Criteria for Potentially Inappropriate Medication Use in Older Adults recommends that individuals 65 years or older avoid use of diphenhydramine and doxylamine; however, many over-the-counter sleep products contain these active ingredients. Objective To identify the proportion of older adults using an over-the-counter medication containing diphenhydramine or doxylamine, and compare their characteristics with older adults using an over-the-counter medication that does not contain these ingredients...
May 2, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28461812/refractory-cutaneous-iga-vasculitis-treated-with-omega-3-fatty-acids
#5
M A Barnadas, M M Díaz Encarnación
BACKGROUND: Omega-3 fatty acids (O3FA) have been used to treat IgA nephropathy (IgAN) but not cutaneous IgA vasculitis (IgAV). CASE REPORT: A 47-year-old female was referred for cutaneous vasculitis. She had a 24-year history of flares of palpable purpura, arthralgia associated with hematuria, and proteinuria. We diagnosed cutaneous IgAV associated with IgAN. We administered prednisone at doses ranging from 10 to 45 mg/day to control the flares. To reduce prednisone exposure, different therapeutic strategies (colchicine, diphenhydramine, hydroxyzine, azathioprine, benzathine penicillin, and mycophenolate mofetil) were applied without success...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28454746/involvement-of-proton-coupled-organic-cation-antiporter-in-varenicline-transport-at-blood-brain-barrier-of-rats-and-in-human-brain-capillary-endothelial-cells
#6
Toshiki Kurosawa, Kei Higuchi, Takashi Okura, Kazumasa Kobayashi, Hiroyuki Kusuhara, Yoshiharu Deguchi
Varenicline is a selective partial α4β2 nicotinic acetylcholine receptor agonist, which is used to help achieve smoking cessation. Here, we investigated varenicline transport at the blood-brain barrier (BBB) by means of in vivo microdialysis, in situ brain perfusion, and brain efflux index (BEI) measurements in rats and in vitro uptake studies in human brain capillary endothelial (hCMEC/D3) cells. Microdialysis demonstrated that varenicline is actively transported from blood to brain in rats. Blood-to-brain uptake transport of varenicline, as measured by the in situ brain perfusion technique, was strongly inhibited by diphenhydramine, a potent inhibitor of proton-coupled organic cation (H(+)/OC) antiporter...
April 25, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28443380/acute-hypersensitivity-reaction-to-crotalidae-polyvalent-immune-fab-crofab-as-initial-presentation-of-galactose-%C3%AE-1-3-galactose-%C3%AE-gal-allergy
#7
Justin Rizer, Kaitlin Brill, Nathan Charlton, Joshua King
Crotalidae polyvalent immune Fab antivenom (CroFab), commonly used for the treatment of clinically significant North American crotalinae envenomation, is generally well-tolerated. A novel form of anaphylaxis due to an IgE antibody response to the mammalian oligosaccharide galactose-α-1,3-galactose (α-gal) has been established following red-meat consumption as well as IV administration of cetuximab, which contain the α-gal epitope. We present a case of α-gal allergy discovered after acute hypersensitivity reaction to FabAV...
April 26, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28438825/beyond-use-dating-of-lidocaine-alone-and-in-two-magic-mouthwash-preparations
#8
Loren Madden Kirk, Stacy D Brown, Yao Luu, Amanda Ogle, Jessica Huffman, Paul O Lewis
PURPOSE: Beyond-use dating (BUD) of lidocaine alone and in two "magic mouthwash" preparations stored in amber oral syringes at room temperature was determined. METHODS: Two formulations of mouthwash containing oral topical lidocaine 2% (viscous), diphenhydramine 2.5 mg/mL, and aluminum hydroxide-magnesium hydroxide-simethicone were prepared in 1:1:1 and 1:2.5:2.5 ratios, divided into 3-mL samples, and stored in unit-dose oral amber syringes. Unit-dose single-product lidocaine samples were also prepared to serve as controls and stored in oral amber syringes...
May 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28438191/continuous-diphenhydramine-infusion-and-imatinib-for-kit-d816v-negative-mast-cell-activation-syndrome-a-case-report
#9
Faizan Malik, Naveed Ali, Syed Imran Mustafa Jafri, Ali Ghani, Mohsin Hamid, Margot Boigon, Christian Fidler
BACKGROUND: We present the first full case report of the treatment of mast cell activation syndrome with continuous diphenhydramine infusion, which resulted in the improvement of anaphylactic reactions and a decrease in hospital readmission. Furthermore, the patient received imatinib in the absence of the KIT-D816V mutation, which led to further improvement of quality of life. Currently, we are trying to wean this patient off diphenhydramine; if successful, this attempt will represent the first reported case...
April 24, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28435487/randomized-trial-of-adding-parenteral-acetaminophen-to-prochlorperazine-and-diphenhydramine-to-treat-headache-in-the-emergency-department
#10
Stefan H Meyering, Ryan W Stringer, Matthew K Hysell
INTRODUCTION: Headaches represent over three million emergency department (ED) visits per year, comprising 2.4% of all ED visits. There are many proposed methods and clinical guidelines of treating acute headache presentations. However, data on intravenous acetaminophen usage in these settings are lacking. In this study, we sought to determine the efficacy of intravenous (IV) acetaminophen as an adjunct to a standard therapy for the treatment of patients who present to the ED with a chief complaint of "headache...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28428958/debromoaplysiatoxin-as-the-causative-agent-of-dermatitis-in-a-dog-after-exposure-to-freshwater-in-california
#11
Birgit Puschner, Adrienne C Bautista, Chris Wong
Contamination of recreational waters with cyanobacterial toxins continues to increase and presents a risk to animals and humans. Although cases of acute hepato- and neurotoxicoses in dogs following cyanotoxin exposure exist, no reports of skin-related reactions in dogs exist. A 5-year-old female spayed 34 kg Bracco Italiano was initially presented for rapid onset of severe pruritus and urticaria. Marked excoriation and erythema were noted over the chest and neck, while urticaria was noted in the inguinal regions and ventral abdomen...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28421841/adolescent-with-prolonged-toxidrome
#12
Jami Johnson, Kristie Williams, William Banner
A 13-year-old female was presented to the emergency department following an intentional ingestion. The patient developed significant toxicity including multiple, discreet tonic-clonic seizures. Despite appropriate resuscitation and antidotal management, the patient's symptoms persisted for more than 36 hours post-ingestion. An upright abdominal radiograph was performed revealing a radiopacity suggesting a pharmacobezoar. An esophagogastroduodenoscopy was performed with successful removal of a tennis ball-sized pharmacobezoar...
June 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28419660/acute-masseter-dystonia-in-a-pediatric-patient-receiving-aripiprazole-and-methylphenidate-following-induction-of-general-anesthesia
#13
Michelle LeRiger, Jasper Williams, Greta Duncan-Wiebe, Mohanad Shukry
An 11-year-old male receiving aripiprazole, methylphenidate, and clonidine developed acute masseter dystonia inhibiting tracheal intubation after induction of general anesthesia with propofol and rocuronium. Following emergence, he had trismus and jaw discomfort. Psychiatry consultation suspected an acute dystonic reaction, so diphenhydramine was administered intravenously which resolved symptoms. We suspect chronic aripiprazole and methylphenidate usage combined with propofol administration in the short-term absence of methylphenidate made this patient susceptible to dystonic reactions...
April 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28400197/cutaneous-penetration-enhancing-effect-of-menthol-calcium-involvement
#14
Amit Joshi, Abhay Joshi, Hiren Patel, Dovenia Ponnoth, Grazia Stagni
Menthol is a naturally occurring terpene used as a penetration enhancer in topical and transdermal formulations. Literature shows a growing interest in menthol's interactions with the transient receptor potential melastatin 8. A decrease in extracellular Ca(2+) due to the activation of the transient receptor potential melastatin 8 receptor produces inhibition of E-cadherin expression that is responsible for cell-cell adhesion. Because calcium is present in the entire epidermis, the purpose of this study is to evaluate whether the aforementioned properties of menthol are also related to its penetration-enhancing effects...
April 8, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28370228/pharmacologic-treatment-of-cannabinoid-hyperemesis-syndrome-a-systematic-review
#15
John R Richards, Brent K Gordon, Aaron R Danielson, Aimee K Moulin
OBJECTIVE: Cannabinoid hyperemesis syndrome (CHS) has become more prevalent with increasing cannabis use. CHS is often resistant to standard antiemetics. The objective of this study is to review the current evidence for pharmacologic treatment of CHS. METHODS: MEDLINE, PsycINFO, DARE, OpenGrey, Google Scholar, and the Cochrane Library were searched from inception to February 2017. Articles were selected and reviewed independently. Evidence was graded using Oxford CEBM guidelines...
March 31, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28365158/ontogenetic-dietary-shifts-and-bioaccumulation-of-diphenhydramine-in-mugil-cephalus-from-an-urban-estuary
#16
Samuel P Haddad, Bowen Du, W Casan Scott, Gavin N Saari, Christopher Breed, Martin Kelly, Linda Broach, C Kevin Chambliss, Bryan W Brooks
Though bioaccumulation of pharmaceuticals has received attention in inland waters, studies of pharmaceutical bioaccumulation in estuarine and marine systems are limited. Further, an understanding of pharmaceutical bioaccumulation across size classes of organisms displaying ontogenetic feeding shifts is lacking. We selected the striped mullet, Mugil cephalus, a euryhaline and eurythermal species that experiences dietary shifts with age, to identify whether a model base, diphenhydramine, accumulated in a tidally influenced urban bayou...
March 23, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28349707/elimination-half-life-of-diphenhydramine-in-overdose
#17
Anneka Varma, Loretta Ford, Neel Patel, J Allister Vale
No abstract text is available yet for this article.
July 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28301629/antidote-availability-in-the-municipality-of-campinas-s%C3%A3-o-paulo-brazil
#18
Luciane Cristina Rodrigues Fernandes, Taís Freire Galvão, Adriana Safioti Toledo Ricardi, Eduardo Mello De Capitani, Stephen Hyslop, Fábio Bucaretchi
CONTEXT AND OBJECTIVE: The lack of availability of antidotes in emergency services is a worldwide concern. The aim of the present study was to evaluate the availability of antidotes used for treating poisoning in Campinas (SP). DESIGN AND SETTING: This was a cross-sectional study of emergency services in Campinas, conducted in 2010-2012. METHODS: The availability, amount in stock, place of storage and access time for 26 antidotal treatments was investigated...
January 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28295198/analysis-of-disease-activity-categories-in-chronic-spontaneous-idiopathic-urticaria
#19
D Stull, D McBride, H Tian, A Gimenez Arnau, M Maurer, A Marsland, M-M Balp, S Khalil, C Grattan
BACKGROUND: Measurement of disease activity guides treatment of chronic spontaneous urticaria (CSU). A weekly Urticaria Activity Score-here, the average of twice-daily patient assessment of itch and hives scores summed over 1 week (UAS7TD )-measures severity from 0 to 42. Insufficient evidence exists whether disease activity states, defined by categorical UAS7TD scores, correlate with other patient-reported outcomes and treatment response. OBJECTIVE: To evaluate and compare categorical UAS7TD scores with selected measures of disease-related quality of life and impact...
March 13, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28270270/a-review-of-suvorexant-doxepin-ramelteon-and-tasimelteon-for-the-treatment-of-insomnia-in-geriatric-patients
#20
Chelsey Edmonds, Michael Swanoski
Geriatric patients often experience insomnia because of physiological and neurological changes that occur during the aging process. Use of benzodiazepines, nonbenzodiazepine hypnotics, and diphenhydramine for the treatment of insomnia pose an increased risk of cognitive impairment, falls, and fractures in this patient population. Therapeutic alternatives approved by the Food and Drug Administration include suvorexant, doxepin, ramelteon, and tasimelteon, which have shown efficacy and safety in various studies...
March 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
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