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 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Dengue fever is an acute febrile viral disease, which frequently presents with high fever, headache, bone pain and skin rash. Acute pancreatitis and seizure are rare manifestations of dengue virus infection. A 66-year-old woman with diabetes mellitus presented with epigastralgia, nausea, vomiting, diarrhea and fever. Acute pancreatitis, abnormal liver function and thrombocytopenia were diagnosed at a local hospital. After persistent fever, thrombocytopenia and seizure developed she was transferred to our medical center. Dengue virus infection was confirmed by serology study and dengue hemorrhagic fever grade II was diagnosed. No further neurological symptoms occurred and pancreatitis improved gradually after supportive care. She recovered and had no sequelae at 1 year follow-up. Acute pancreatitis and seizure may be manifestations of dengue virus infection, especially in patients with delayed diagnosis, prolonged fever and thrombocytopenia.
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PMID:Dengue hemorrhagic fever complicated with acute pancreatitis and seizure. 1554 56

Cough is an important defensive reflex of the airway and also a common symptom of respiratory disease. Cough after common respiratory virus infection is transient but is more persistent when associated with conditions such as asthma, rhinosinusitis, gastro-oesophageal reflux, chronic obstructive pulmonary disease and lung cancer. Persistent cough may be due to peripheral and/or central sensitisation of cough reflexes initiated by cough receptors, rapidly adapting receptors or nociceptors. Treatment directed at associated conditions such as asthma (with anti-inflammatories) and gastro-oesophageal reflux (with proton-pump inhibitors) improve cough. There remains a need to use drugs that suppress the neural activity of cough (termed nonspecific), as treatments directed at the clinical cause(s) of the underlying cough (termed specific) may not be effective. The most effective indirect antitussives are opioids such as morphine, codeine or pholcodeine, but they produce side effects such as drowsiness, nausea, constipation and physical dependence. Opioids such as kappa- and delta-receptor agonists, non-opioids such as nociceptin, neurokinin and bradykinin receptor antagonists, cannabinoids, vanilloid receptor-1 antagonists, blockers of Na+-dependent channels, and large conductance Ca2+-dependent K+-channel activators of afferent nerves may represent novel antitussives.
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PMID:Drugs to suppress cough. 1570 18

An unusual cause of acute abdominal pain simulating acute appendicitis is presented. The patient was admitted with complaints of fever, malaise, headache, nausea, vomiting, diarrhoea, and severe bleeding. Based on the clinical and epidemiological findings, a diagnosis of Crimean Congo hemorrhagic fever virus infection was suspected, and ribavirin therapy was started. While her clinical condition was improving, she experienced a sudden pain at her right lower quadrant of the abdomen. Explorative laparotomy revealed haemorrhage within the abdominal muscles. Her CCHF IgM was found to be positive.
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PMID:Crimean Congo hemorrhagic fever infection simulating acute appendicitis. 1584 39

This study was designated to describe clinical and biological features of patients with a suspected diagnosis of dengue fever/dengue hemorrhagic fever during an outbreak in Central Vietnam. One hundred and twenty-five consecutive patients hospitalized at Khanh Hoa and Binh Thuan Provincial hospitals between November 2001 and January 2002 with a diagnosis of suspected dengue infection were included in the present study. Viruses were isolated in C6/36 and VERO E6 cell cultures or detected by RT-PCR. A hemagglutination-inhibition test (HI) was done on each paired sera using dengue antigens type 1-4, Japanese encephalitis (JE) virus antigen, Chickungunya virus antigen and Sindbis virus antigen. Anti-dengue and anti-JE virus IgM were measured by a capture enzyme-linked immunosorbent assay (MAC-ELISA). Anti-dengue and anti-JE virus IgG were measured by an ELISA test. Dengue viruses were isolated in cell culture and/or detected by RT-PCR in 20.8% of blood samples. DEN-4 and DEN-2 serotypes were found in 18.4% and 2.4% of the patients, respectively. A total of 86.4% of individuals had a diagnosis of acute dengue fever by using the HI test and/or dengue virus-specific IgM capture-ELISA and/or virus isolation and/or RT-PCR. The prevalence of primary and secondary acute dengue infection was 4% and 78.4%, respectively. Anti-dengue IgG ELISA test was positive in 88.8% of the patients. In 5 cases (4%), Japanese encephalitis virus infection was positive by serology but the cell culture was negative. No Chickungunya virus or Sindbis virus infection was detected by the HI test. In patients with acute dengue virus infection, the most common presenting symptom was headache, followed by conjunctivitis, petechial rash, muscle and joint pain, nausea and abdominal pain. Four percent of hospitalized patients were classified as dengue hemorrhagic fever. The clinical presentation and blood cell counts were similar between patients hospitalized with acute dengue fever and patients with other febrile illnesses.
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PMID:Secondary dengue virus type 4 infections in Vietnam. 1590 64

Chikungunya fever is a viral disease transmitted to humans by the bite of infected Aedes aegypti mosquito. Like malaria and dengue, this infection has almost become endemic in India, especially central and south India. Symptoms of sudden onset of fever, chills, headache, nausea, vomiting, joint pain with or without swelling, low back pain, and rash are very similar to those of dengue but, unlike dengue, there is no hemorrhagic or shock syndrome form. Chikungunya is a self-limiting illness with no specific treatment. Travellers visiting endemic areas should be careful and take precautions to see that they are not bitten by mosquitoes.
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PMID:Chikungunya. 1725 33

Crimean-Congo hemorrhagic fever is a tick-borne viral disease reported from more than 30 countries in Africa, Asia, South-East Europe, and the Middle East. The majority of human cases are workers in livestock industry, agriculture, slaughterhouses, and veterinary practice. Nosocomial transmission is also well described. Clinical manifestations are nonspecific and symptoms typically include high fever, headache, malaise, arthralgia, myalgia, nausea, abdominal pain, and nonbloody diarrhea. Patients may show signs of progressive hemorrhagic diathesis. Laboratory abnormalities may include anemia, leukopenia, thrombocytopenia, increased AST/ALT levels, and prolonged prothrombin, bleeding, and activated partial thromboplastin times. Diagnostic methods include antibody detection by enzyme-linked immunosorbent assay, virus isolation, antigen detection, and polymerase chain reaction. The mainstay of treatment of Crimean-Congo hemorrhagic fever is supportive, with careful maintenance of fluid and electrolyte balance, circulatory volume, and blood pressure. The Crimean-Congo hemorrhagic fever virus is susceptible to ribavirin in vitro. There is no controlled study evaluating oral versus intravenous ribavirin in treating Crimean-Congo hemorrhagic fever patients, but few studies have evaluated oral ribavirin. This article reviews the epidemiology, pathogenesis, clinical manifestations, diagnosis, treatment, prevention, and prognosis of Crimean-Congo hemorrhagic fever with a special focus on oral ribavirin as a choice of medical treatment.
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PMID:Crimean-Congo hemorrhagic fever. 1736 25

Vestibular neuritis is a group of symptoms resulting from a sudden unilateral vestibular dysfunction. It seldom occurs in children (approximately 7%). Its etiology and pathogenesis are unknown, although most researchers consider viral infection to be a causative factor. The clinical symptoms appear rapidly, exacerbate within a few hours and include vertigos, accompanied by nausea, vomiting and paralytic nystagmus, which intensifies with head movements. This is a case of a 15-year-old boy, so far healthy and with normal psychomotor development, who was admitted to the hospital ward due to exacerbating vertigos accompanied by nausea and balance disorders.
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PMID:[Vestibular neuritis--a case description]. 1784 92

In Europe infection with Puumala or Dobrava viruses causes hemorrhagic fever with renal syndrome (HFRS). In the course of HFRS, mild neurological symptoms such as headache, vertigo, and nausea are common. However, the data about the occurrence of severe, potentially life-threatening neurological manifestations are rather scarce. Here, we present a case of HFRS with serologically proven Dobrava virus infection complicated by epileptic seizures and hemiparesis due to focal encephalitis.
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PMID:Case report: severe neurological manifestation of Dobrava hantavirus infection. 1793 68

Nausea and vomiting are symptoms resulting from a triggered emetic reflex. Many endogenous and exogenous triggering factors can activate the emetic reflex, making understanding difficult and therapy challenging. The key to managing most cases of nausea and vomiting lies in a good history and a detailed physical examination. Most episodes of acute vomiting (lasting < 48 hours) have an evident triggering factor (eg, infection, viral illness, or food poisoning) and can be managed by removing the triggering agent and via supportive therapy. Chronic and unexplained nausea and vomiting can be a challenge. The cause is often obscure and requires special investigation. Functional gastroduodenal disorders such as cyclic vomiting syndrome, functional vomiting, and chronic idiopathic nausea should be considered if investigations are unrevealing. Knowledge regarding various emetic pathways and the specific neurotransmitters involved helps to target therapy. Histamine-1 receptor antagonists and muscarinic antagonists are suitable candidates for motion sickness and labyrinthine disorders. Phenothiazines, 5-hydroxytryptamine-3 receptor antagonists, corticosteroids, and benzodiazepines have a role in postchemotherapy and postoperative nausea and vomiting. Cannabinoid and neurokinin-1 receptor antagonists are best reserved for refractory cases of nausea and vomiting. Motilin agonists and metoclopramide are useful for treating impaired gastric motility disorders.
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PMID:Nausea and vomiting. 1832 41

Type 1 diabetes mellitus is classified as either autoimmune or idiopathic. Fulminant type 1 diabetes was originally reported as a subtype of idiopathic type 1 diabetes. Though involvement of viral infections has been suggested as a triggering mechanism, its pathogenesis remains unknown. Here, we present a case of fulminant type 1 diabetes associated with significant elevation of mumps titers. A 56-year-old Japanese man had suffered from nausea and generalized fatigue for two days before being transferred to our hospital in a confused state. Findings on admission revealed a high blood glucose level, near-normal HbA1c level, metabolic acidosis, and increased urinary ketone levels. Serum tests for islet-associated autoantibodies were negative. The serum, urinary C-peptide levels and the result of glucagon test indicated severe impairment of insulin secretion. These results were compatible with the diagnosis of fulminant type 1 diabetes. Also, he was suspected as having mumps infection on the basis of serological testing. These findings suggest that fulminant type 1 diabetes developed after mumps virus infection in our case. To the best of our knowledge, no other report has indicated an association between a recent mumps infection and the onset of fulminant type 1 diabetes. This case suggests an association between fulminant type 1 diabetes and mumps virus infection.
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PMID:A case of fulminant type 1 diabetes associated with significant elevation of mumps titers. 1852 Jan 3


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