 [ Symptoms ] does lemon juice really help to prevent catching a stomach virushelp relieve or kill the virus  i have read several different websites claiming that lemon juice can kill stomach bug virus or help to prevent from catching it how true is that i love lemons can eat them or drink the juice from one by itself i have a fear of vomiting and the feeling like i am going to vomit i quit eating lemons years ago due to them causing teeth problems can drinking the juice from a lemon in moderation really help [ Disease ] no it does not colds are caused by a virus despite what generations of mothers have said you cannot catch your death of cold simply by going outside in the cold while wet or sweaty you catch colds by coming in contact with one of the more than 200 varieties of virus that can cause the symptoms of a common cold usually rhinovirus is the culprit you can avoid catching a cold by washing your hands frequently and refraining from touching your eyes or nose it is not uncommon for a person to touch an object on which the virus has been deposited then transfer the virus from their fingertip to their body by rubbing their eye or picking their nose hope this helps