There is no drug to drug interaction between them. You shouldn't need both. If you take too much you might get dizzy.
Possibly the company that produces tessalon, gives money to dog charities. In that context Tessalon would be great for dogs.
No it dose not
No, not on your basic drug test. The medicine is used primarily for cough from sinus drainage or dry throat. Tessalon is more of a topical anesthetic, so the action is to dull the cough response.
it is just two different forms of codeine
No...there are no formulas with codeine.
no Codeine is Narcotic
codeine
extended release codeine
No OTC rug will have codeine in it since the codeine is restricted.
No; it is a narcotic, but its active ingredient is not codeine.
No it doesn't have codeine in it, its a tricyclic