Examples of Price Elasticity of Demand. If the quantity purchased changes more than price change (say, 10%/5%), the product is termed elastic. If the change in quantity purchased is the same as the price change (say, 10%/10% = 1), the product is said to have unit (or unitary) price elasticity.
Wellbutrin had side effects at the beginning-the worst of which were insomnia and constipation. The insomnia abated after about 3 weeks of treatment and I take a fiber supplement to deal with the constipation. It also abates with time but never completely goes away.
Bupropion (Wellbutrin) increases levels of dopamine and norepinephrine. It treats depression, seasonal affective disorder, ADHD, and can be used for smoking cessation. It can also augment other antidepressants. Potential side effects include anxiety, dry mouth, insomnia, and tremor. It can lower the seizure threshold.