A 25-year-old female asked:
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will tonic water (it has quinine) prevent malaria, japanese encephalitis and dengue? i will be vacationing in an area where those diseases are endemic

1 doctor answer
Dr. Stephen Scholand
23 years experience Infectious Disease
Absolutely not: These mosquito borne diseases are all very serious, in fact potentially fatal. Avoiding the bug-bite is of paramount importance. Get some bug spray, socks, long pants, and netting if outdoors to avoid bites. There are anti-malarial medications available, and a Japanese encephalitis vaccine, but there is nothing so far for dengue. I highly recommend visiting a travel doc before going to these areas
Answered on Jun 9, 2017
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Dr. Stephen Scholand
23 years experience Infectious Disease
Provided original answer
There is a Japanese encephalitis vaccine and it is considered 'safe'. The CDC website has more information on that if you want to look. http://www.cdc.gov/vaccines/vpd-vac/j-enceph/default.htm
Oct 7, 2015

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