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).
Tricyclic antidepressants are sometimes prescribed to treat various types of pain, including headache. Amitriptyline (Elavil, Endep) is the best studied for pain relief and the most often prescribed for migraine prevention: it's about 60% effective in thwarting such headaches. Other tricyclics used in migraine prevention include doxepin (Adapin, Sinequan), imipramine (Tofranil), and nortriptyline (Aventyl, Pamelor).