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.
A: Doxycycline can be used for a number of different infections as follows: acne, anthrax, gum diseases, and rosacea, as well as bacterial infections such as chlamydia, typhus, tick bites, pneumonia, syphilis, gonorrhea, Lyme disease, plaque, malaria, and some urinary tract infections.or the prevention of malaria, you should start taking doxycycline up to two days before traveling. Continue taking the drug for four weeks after you leave an area where malaria is a risk. Do not take doxycycline to prevent malaria for more than four months.