The stimuli causing endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients are called __________.
Begin therapy 1 to 2 days before travel to the area with malaria. Continue daily treatment for 4 weeks after leaving the area. Doryx MPC: Typical dosage: 2.4 mg/kg once daily, up to the adult dose. Begin therapy 1 to 2 days before travel to the area with malaria. Continue daily treatment for 4 weeks after leaving the area. Child dosage (ages 0â7 years)
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.