I am an 24 year old female and a student. I feels sad all the time. I want to know is this a symptom of depression.

Question

Dear Maumita,
Feeling sad is not depressive disorder. It is just an emotion.
Please answer the following questionnaire to know whether you need to be screened for depression and other medical conditions causing depression.
Brief Patient Health Questionnaire (BPHQ)
Over the last 2 weeks, how often have you been bothered by any of the following problems? 
Please mark as 0.Not at all 	1.Less than 7 days 	2.More than 7 days	3. Nearly every day 
a. Little interest or pleasure in doing things  
b. Feeling down, depressed, or hopeless  
c. Trouble falling or staying asleep or sleeping too much  
d. Feeling tired or having little energy  
e. Poor appetite or overeating  
f. Feeling bad about yourself ? or that you are a failure or have let yourself or your family down   
g. Trouble concentrating on things, such as reading the newspaper or watching television  
h. Moving or speaking so slowly that other people could have noticed. Or the opposite ? being so fidgety or restless that you have been moving around a lot more than usual  
i. Thoughts that you would be better off dead or of hurting yourself in some way.

Saranya Devanathan · Accepted Answer

Dear Maumita,
Feeling sad is not depressive disorder. It is just an emotion.
Please answer the following questionnaire to know whether you need to be screened for depression and other medical conditions causing depression.
Brief Patient Health Questionnaire (BPHQ)
Over the last 2 weeks, how often have you been bothered by any of the following problems? 
Please mark as 0.Not at all 	1.Less than 7 days 	2.More than 7 days	3. Nearly every day 
a. Little interest or pleasure in doing things  
b. Feeling down, depressed, or hopeless  
c. Trouble falling or staying asleep or sleeping too much  
d. Feeling tired or having little energy  
e. Poor appetite or overeating  
f. Feeling bad about yourself ? or that you are a failure or have let yourself or your family down   
g. Trouble concentrating on things, such as reading the newspaper or watching television  
h. Moving or speaking so slowly that other people could have noticed. Or the opposite ? being so fidgety or restless that you have been moving around a lot more than usual  
i. Thoughts that you would be better off dead or of hurting yourself in some way.