Sounds like cholestasis. It is a liver disease caused by the reduced flow of bile from your liver. Some certain medications or diseases, such as bacterial infections,autoimmune diseases and cancers may be the cause. In addition to excessive itching, you may have other symptoms, such as jaundice, dark urine, light-colored stool and pain in your abdomen.
Blood tests and imaging tests are helpful in diagnosis. If you are diagnosed, treatment should focus on the underlying causes. Medications include antibiotics, anabolic steroids, nonsteroidal anti-inflammatories and certain antiepileptic, antifungal, drugs. Ina ddition.You should change your habits as well. Don't abuse alcohol.