[Tamiflu]

I'm supposed to be leaving for a overseas holiday in a few weeks and I will be spending a lot of time on planes and waiting around in airports.. I was wondering if I could take tamiflu preventatively for this part of my trip?I haven't actually been to the doctor yet to discuss this.. just wondering about it at the moment...I  have received the e-mail message also with the maintenance something likes :  buy tamiflu buy clomid buy lexapro etc. at lowest prices.How not to become a victim of scammers buying tamiflu on the Internet?