QUESTION Healthy 30 year  old male, arrived in West Africa 2 weeks ago, using doxycycline as prophyaltic but not systematically—I know I missed a day or two, and had not taken it before arriving; lots of mosquito bites. Also believe my doxy to be expired—how long is it good for in capsule form? Doesn't have expiry on my prescription. Symptoms showed up around day 7 in Mali: sore … [Read more...]