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.
Doxycycline does not prevent sexually transmitted diseases, including HIV/AIDS or genital herpes. Clinical Review by Jodi Grimm, RPh and Ann Ciemnoczolowski, MS, ELS on May 15, 2013. Doxycycline is a prescription medicine that you may be taking to treat bacterial infections. Doxycycline works by keeping bacteria from growing and spreading. Doxycycline treats many types of infections, including urinary tract infections, acne, gonorrhea, chlamydia, gum disease, pneumonia, and other respiratory tract infections. Doxycycline is sometimes given to patients to prevent infections such as malaria. Doxycycline will not work to treat fungal or viral infections, such as common colds or the flu. Doxycycline does not prevent sexually transmitted diseases, including HIV/AIDS or genital herpes. Doxycycline is a prescription medicine that you may be taking to treat bacterial infections.