Listeriosis is a disease caused by infection with a gram-positive, rod-shaped bacterium called Listeria monocytogenes. Listeria monocytogenes is ubiquitous, and it is usually found in soil, water, and decaying vegetation.
Common side effects of Plaquenil include. 1  nausea, 2  vomiting, 3  stomach pain or cramps,  loss of 1  appetite, weight loss, 2  diarrhea, dizziness,  spinning 1  sensation, headache,  ringing in 1  your ears, mood  changes, 1  nervousness, irritability,  skin rash, 1  itching,  or. hair loss.
Dose. The normal dose of Plaquenil is 1 tablet a day (200mg/day). Some doctors recommend 2 a day (400mg/day) but we find that 1 a day suits most people-the dose can always be increased for a flare.One of the attractions of this medication is its long 'half-life' - it stays in the system for days & weeks.ose. The normal dose of Plaquenil is 1 tablet a day (200mg/day). Some doctors recommend 2 a day (400mg/day) but we find that 1 a day suits most people-the dose can always be increased for a flare.