Hi Dee,   The instructions on the Byetta state that when you miss a dose, you should take the next scheduled dose. However, missing 2 weeks might be a bit of a stretch. You can read about Byetta and some of the doesage instructions here in the drugs database. You should be able to restart your Byetta, but you should call your doctor to check just in case especially if you began on a 5ml dose and moved up to a 10ml dose, or you experienced nausea or stomach problems when beginning Byetta the first time. Online sites are great places to get information to help you ask all the right questions, however they can not take the place of your doctor's advice.   Good luck and stay in touch and let us know how you are doing!Vicki M