While photochemical smog and high concentrations of ozone pollution are most often associated with urban centers, more diffuse, regional ozone pollution episodes have been found to extend over thousands of miles and encompass agricultural as well as urban areas.
DRUG CLASS AND MECHANISM: Amitriptyline is in the class of drugs called tricyclic antidepressants (TCAs) and is used for treating depression. Other drugs in the same class include: 1  clomipramine (Anafranil), 2  doxepin (Sinequan), 3  imipramine (Tofranil), 4  trimipramine (Surmontil), 5  amoxapine (Amoxapine),6  desipramine (Norpramin), and. 7  protriptyline (Vivactil).ther drugs in the same class include: 1  clomipramine (Anafranil), 2  doxepin (Sinequan), 3  imipramine (Tofranil), 4  trimipramine (Surmontil), 5  amoxapine (Amoxapine), 6  desipramine (Norpramin), and. 7  protriptyline (Vivactil).
Amitriptyline is a tricyclic antidepressant also used to treat pain and sleep problems. The higher doses (100 mg plus) are for depression; lower doses for pain and sleep. For it to impact pain or depression requires a period of time; for sleep, a single 25 mg dose can work like a charm. I know this from years ago.