SOME ADVICE ON CITRONELLA NO-BARK COLLARS

Dear Adam:
I have a client who has just adopted a dog. The dog is adjusting to its new apt., but is barking a bit when the owner leaves. A friend of hers has lent a citronella collar for her to try.

My question is: Is there any health concerns with using the collar in terms of the spray getting in the eyes or lungs?
I would love to hear about peoples experiences with the collars whether they are negative or positive.

Thank you in advance!!
-RD.

Dear RD:

They have a tendency to jam up. Not to mention run out of spray. And-- although it probably won't kill the dog-- who knows what spraying that stuff in their eyes and nose will do over a long-term period of time.

Ideally, the dog would only need to be sprayed once or twice and then he