A larger-than-normal liver may be a sign of a wide range of diseases. Although diseases of the liver itself often cause an enlarged liver, there are many other possible causes, including: 1  Bacteria, viruses and parasites. 2  Certain heart conditions.  Several genetic diseases.
Night Sweats Caused by Medication. There are several causes of night sweats in men that are not life-threatening, and medication is generally one of them. They include anti-depressants, acetaminophen, Viagra and nitroglycerin. These medicines and others react with body chemistry and cause night sweats.
Night sweats are an early symptom of some cancers. The most common type of cancer associated with night sweats is lymphoma. Leukemia also may cause night sweats. However, people who have an undiagnosed cancer frequently have other symptoms as well, such as unexplained weight loss and fevers.