It appears that symptoms you described is emotional or mood symptoms.If you are suffering of persisting pervasive sadness or irritability with loss of interest or pleasure accompanied with weight loss
or weight gain, insomnia
or more sleep, slowness in activity,fatigue
or loss of energy, feelings of worthlessness or guilt, diminished concentrate, ideation of self harm then most likely it is depression
If symptoms you described is related with menstrual period then it may be a different problem. Many time it may be symptoms of burnout, adjustment problem or due to substance use.
Some tips that may be helpful are- Cultivate supportive relationships(Turn to trusted friends and family members,Try to keep up with social activities even if you don’t feel like it), Challenge negative thinking (Think outside yourself,Allow yourself to be less than perfect,Socialize with positive people,Keep a “negative thought log"), Take care of yourself (Aim for 8 hours of sleep,Expose yourself to a little sunlight every day,Keep stress in check,Practice relaxation techniques
),Get regular exercise, Eat a healthy, mood-boosting diet.
If symptoms interfering with your activity then it require active treatment.
Hope you will recover soon.