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, also known as sleep hyperhidrosis, is the occurrence of excessive sweating during sleep. The person may or may not also suffer from excessive perspiration while awake. One of the most common causes of night sweats in women over 40 is the hormonal changes related to menopause and perimenopause.