Purchase and download Food?Sick from the iTunes store.
Tap the Food?Sick icon on your iPhone or iPod touch home screen.
The first time you use Food?Sick, you will be shown a disclaimer. Please read the disclaimer and press "Done".
You will then be prompted to add a person, whose diet and symptoms you want to track. Most commonly this will be yourself, however it could be someone else e.g. your child.
At any stage you can add more people to track.
Tap
at the bottom right.
Type the name of the person whose details you wish to record.
Use your iPhone's camera to take a photo for this person, or choose a photo from your camera roll.