Answer:
Yes it can. I take it and have gained weight.
Also You can save money on a prescription.
Shop around at as many pharmacies as possible. Don't forget to include online pharmacies in your search, as they often have the best prices, and you can save a lot of money on a prescription.
In case you can compare Nortriptyline prices online at www.rxoffer[dot]com .
P.S Many online reliable pharmacies will be happy to provide the prescription to anyone who can answer a few simple questions.