Exposure to small doses of Arsenic compounds over a long period of time can result in lung, skin or liver cancer, or cancer of the lymphatic system. Damage to organs, such as the esophagus, can cause speaking difficulties. Exposure to small doses of Arsenic may also cause confusion and disorientation.
Going to the hospital. If you have severe pneumonia, you may have to go to the hospital: 1  In most cases of pneumonia you get in your daily life, such as at school or work (community-based pneumonia), it is not necessary to go to the hospital. 2  About one-third of people with community-based pneumonia are age 65 or older.
The patientâs pneumonia improved on alternate antibiotics and the patient was able to. be discharged on hospital day 4 with no sequelae. This case illustrates that, while very. useful, fluoroquinolones should be used with caution in elderly patients who may be at. risk for changes in mental status.