1 itchiness (pruritus). 2  Pruritus is the primary symptom of cholestasis and is thought to be due to interactions of serum bile acids with opioidergic nerves. 3  In fact, the opioid antagonist naltrexone is used to treat pruritus due to cholestasis.4  jaundice. Pruritus is the primary symptom of cholestasis and is thought to be due to interactions of serum bile acids with opioidergic nerves. 2  In fact, the opioid antagonist naltrexone is used to treat pruritus due to cholestasis. 3  jaundice.
For adults, the normal dose of oral doxycycline is 200 mg on the first day of treatment. Usually you take that as two 100-mg doses, 12 hours apart. After this initial dose, people usually take a maintenance dose of 100 mg daily for seven to 10 days.
1 What Doxycycline capsules are and what they are used for. Doxycycline belongs to a group of medicines called tetracycline antibiotics. It is also known as a broad-spectrum antibiotic and may be used to treat a wide range of infections caused by bacteria, these include:1  respiratory tract infections.2  urinary tract infections. 3  sexually transmitted diseases. 4  skin infections such as acne. 5  infections of the eye.6  rickettsial infections such as Q fever or tick fever.t is also known as a broad-spectrum antibiotic and may be used to treat a wide range of infections caused by bacteria, these include: 1  respiratory tract infections. 2  urinary tract infections. 3  sexually transmitted diseases. 4  skin infections such as acne. 5  infections of the eye. 6  rickettsial infections such as Q fever or tick fever.