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.
To prevent malaria in adults traveling to an area of high risk, the recommended dose of Plaquenil is 400 mg once a week (on the exact same day each week), starting two weeks before the anticipated exposure.f you cannot start the medication in time (two weeks before your travel), it is recommended to start with a loading dose of 400 mg plus another 400 mg six hours apart. For children and infants, the dose is based on weight.