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Background: Psychotic symptoms in Alzheimer's disease (AD) patients are a problem in medicine. The efficacy of the vitamin B12 on the treatment of the psychotic symptoms of the AD patients in the association with antipsychotic drugs Quetiapine and Risperidone, was evaluated in this Study., Methods: The effects of vitamin B12 along with two other drugs were studied on the Mini-Mental State Examination (MMSE), Clinical Global Impression (CGI), Brief Psychiatric Rating Scale (BPRS) and pain Visual Analogue Scale (VAS) in 47 AD patients with psychotic symptoms, including 4 groups, psychotic AD patients treated with Risperidone, Risperidone plus vitamin B12, Quetiapine and Quetiapine plus vitamin B12 ., Results: The results showed that Quetiapine improved all of the psychotic criteria, while Quetiapine plus vitamin B12 had better results on BPRS after 2 weeks, VAS score and MMSE. Risperidone also improves all of the criteria except MMSE and drug efficacy index, while, vitamin B12 neutralize the effects of the Risperidone on the BPRS, VAS, and severity of illness., Conclusion: Due to these results, Quetiapine is the preferred antipsychotics drug and Vitamin B12 plays an effective role in treatment as an adjunct therapy.

Background: Anthrax is a zoonotic occupational disease caused by Bacillus anthracis, a rod-shaped immobile aerobic gram-positive bacteria with spore. Anthrax occurs in humans randomly and with low frequency. Most cases of anthrax are acquired through contact with infected animals or contaminated animal products. This old disease became particularly important since 2001 that the biological spores were exploited in America. Depending on the transmission method of the disease, clinical manifestations occur in three classes: Cutaneous, respiratory, and gastrointestinal anthrax. The respiratory form is considered as the most fatal and a rare form of anthrax intending to show complicated and unusual manifestations., Case Presentation: In this case report a rare case of inhalation anthrax acquired naturally in southeast of Iran is presented. A blind 65-year-old man, living in a rural area, was admitted with respiratory infection, fever, dyspnea, loss of appetite, and myalgia. The patient was treated with outpatient antibiotics a week ago. After admission, the patient was again treated for pneumonia, but there was no improvement despite treatment and the patient was suffering from septicemia symptoms. Radiographic images showed wide mediastinum. Bacillus anthracis was isolated from blood and sputum culture and the results were confirmed by colony morphology, biochemical reactions and PCR. The treatment was changed to ciprofloxacin, clindamycin, and penicillin. On the second day of anthrax treatment, the patient was complicated with jaundice, elevation of liver enzymes, and a significant drop in hemoglobin, hematocrit, and platelet despite lack of obvious bleeding and was complicated with respiratory distress and sepsis and died a week after treatment., Conclusions: We could discover no specific exposure associated with anthrax infection for this patient. However, due to being located in an endemic and enzootic area, it is proposed that the exposure occurred through contact with infected airborne dust or an unknown contaminated item. Despite many advances in preventing anthrax, still some rare cases of respiratory and complicated anthrax are emerging. With regard to the threat of bioterrorism, medical staff's sensitivity to the clinical syndrome, methods of prophylaxis and treatment of anthrax must be raised. Fast diagnosis and successful treatment the lethal cases of this infection are of utmost important.

Hepatitis B virus (HBV) is one of the most prevalent and infectious agents that leads to liver disease in humans. Five clinical forms of HBV infection exist, including fulminant, acute, chronic, asymptomatic and occult. The chronic, asymptomatic and occult forms are long-term infections that can lead to hepatocellular carcinoma (HCC) and liver cirrhosis. The mechanisms responsible for progression of these forms of the infection to HCC and liver cirrhosis are not yet clearly understood or characterised. However, genetic and immunological parameters may play important roles in the disease. IL-17A is an important cytokine involved in early immune responses against fungal and bacterial infections, but its role in the response against viral infections is yet to be fully clarified. The crucial roles of IL-17A in the pathogenesis of autoimmune and destructive immune-related diseases have been documented and may provide insights into its functions during hepatitis infection. Therefore, the aim of this review was to address the recent information regarding the status and association of IL-17A during hepatitis B infection and its related disorders, including HCC and liver cirrhosis.