There are many causes of depression.  Thyroid disorders like hypothyroidism (low thyroid) and hyperthyroidism (high thyroid, graves disease), hormone changes like menopause and adrenal problems.  Also prolonged stress, nutritional deficiencies, and imbalances of brain chemicals like seratonin, dopamine, and epinephrine.

If you suffer from depression and are not getting good results from any medication you are taking here are a few guidelines to help you.

• Blood work to rule out any thyroid disorder
• B vitamin supplement
• Stress management
• Urine test for brain chemical levels
• Exercise of some sort is a must, walking, etc. force yourself get out and move.  Exercise releases the feel good chemicals and can really do wonders to help.