Hepatitis Overview. Viral hepatitis, including hepatitis A, hepatitis B, and hepatitis C, are distinct diseases that affect the liver and have different hepatitis symptoms and treatments. Other causes of hepatitis include recreational drugs and prescription medications.Hepatitis type is determined by laboratory tests.epatitis Overview. Viral hepatitis, including hepatitis A, hepatitis B, and hepatitis C, are distinct diseases that affect the liver and have different hepatitis symptoms and treatments. Other causes of hepatitis include recreational drugs and prescription medications.
Severe hives can be caused by many different factors including medications, stress, depression, temperatures (see cold hives and heat hives), foods (egg whites for my toddler), food additives (like yellow number 5) and even pollen or hay fever and illnesses.
About half these cases are associated with some immune findings. Chronic hives may also be associated with thyroid disease, other hormonal problems or, in very rare instances, cancer. Even this condition usually dissipates over time. Physical urticaria. In physical urticaria, the hives have a physical cause, such as exposure to heat, cold or pressure. Common triggers include: Rubbing or scratching (simple dermographism). This is the most frequent cause of physical urticaria. Symptoms appear within a few minutes in the place that was rubbed or scratched and typically last less than an hour.