Nail discoloration, in which the nails appear white, yellow, or green, can result from different infections and conditions of the skin. In about 50% of cases, discolored nails are a result of infections with common fungi that can be found in the air, dust, and soil.
Doxycycline is well absorbed. After an oral dose of 200 mg of doxycycline, plasma concentrations of the drug reach a maximum of 3 micrograms/mL at 2 hours and are well maintained and thus dosage once daily is usually adequate. Absorption is diminished by the presence of iron, aluminium, calcium and magnesium. Doxycycline is widely distributed into pleural and peritoneal fluid, saliva, semen and prostatic fluid. It passes the placental barrier readily and is also present in the milk of lactating patients.
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.