111. Tenesmus is a painful spasm of the anal sphincter along with an urgent desire to defecate without the significant production of faeces; associated with irritable bowel syndrome.
112. Campylobacter is a fluoroquinolone-resistant bacterium, and azithromycin is the doc in this case; it can also be used in children and pregnancy.
113. Doxycycline decreases the absorption of bismuth subsalicylate, and the qid dose is better than bid in the treatment of travellers’ diarrhoea.
114. Dexamethasone + serotonin antagonist is the most effective treatment for acute nausea and vomiting. Dexamethasone + metoclopramide is the most effective regimen for delayed nausea and vomiting.
115. Corticosteroids' side effects are mood changes, weight gain, masked signs of infection, increased appetite, GI irritation, ulceration and fluid retention.
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