What Are Side Effects Of Stress?

EMOTIONAL SYMPTONS:
Feeling irritable
Feeling frustrated at having to wait for something
Feeling restless
Unable to concentrate
Becoming easily confused
Having memory problems
Thinking about negative things all the time
Negative self-talk
Having marked mood swings
Eating too much
Eating when you are not hungry
Finding it difficult to concentrate
Not having enough energy to get things done
Feeling you can't cope
Finding it hard to make decisions
Having emotional outbursts
Generally feeling upset
Lack of sense of humor

PHYSICAL SYMPTONS:
Muscle tension
Low back pain
Pains in shoulders or neck
Pains in chest
Stomach/abdominal pain
Muscle spasms or nervous tics 
Unexplained rashes or skin irritations
'Pounding' or 'racing' heart 
Sweating when not physically active
'Butterflies' in stomach
Indigestion and 'the gurgles'
Diarrhea
Unable to sleep or excessive sleep
Shortness of breath
Holding breath

According to medical terms, stress basically is a physical or psychological stimulus which can create mental or psychological reactions which can lead to illness.

There are quite a few side affects of stress like, depression, lack of appetite, insomnia, acidity, migraine, low concentration level, etc. In simple words stress basically is an interruption of Homeostasis, which may be set off by disturbing occurrences, moreover factual or imaginary. On the other hand, if stress is augmented to an extreme degree, in the end it leads to necessitation for resolution, which can moreover lead to anxiousness or depressive behaviour.

The application of the expression of stress comes to use in extreme and recognized situations like, post-traumatic stress disorder and psychosomatic illness. During stress the body reacts by discharging catecholamine hormones, epinephrine, norepinephrine and glucocorticoid hormones.