Unable to concentrate on homework?

This is my last week of this semester, and coming Monday and Tuesday, I have three finals along with a five-page essay due. Currently, I am having to finish homework for physics as well as study for calculus, but for some reason, whenever I attempt to commit to these two subjects, it is like I freeze up. My mood has not been notably poor today, and I have not been having an issue with procrastination today. However, whenever I do attempt to complete the homework, I simply cannot concentrate as I usually can. The issue is, this has been occurring for the past few days, and considering the sheer amount of work that I must complete, it seems rather overwhelming.

I do not really struggle with these classes, but for some reason, I keep forgetting the formulas as of lately. Even deriving the formulas is notably more difficult for me to accomplish, despite it often being simpler for me. For some reason, no matter what I try (lunch, sleep, time outside), I still cannot concentrate on anything. Last semester and the beginning of this semester, I had no issue whatsoever in concentrating on my work be it classwork or homework. However, towards the end of this semester, I have been unable to commit myself to studying or homework due to my inability to properly concentrate. As a result, my grades have slipped somewhat. I would rather not be required to retake another semester of any given class, so I absolutely must be able to concentrate this weekend and properly study, but no matter what I attempt, nothing seems to work.

Have you been diagnosed with depression or any other mental or emotional disorder/impairment?

No-- I do apologize, but I am not entirely sure which thread to actually necessarily post this in, but the people in this section have always been quite sincere. I do have family members who have been professionally diagnosed with depression, including my own sibling, but I am not generally comfortable with revealing my thoughts to others. That said, I have never actually held a legitimate discussion with a doctor or therapist of anything of the sort before or even my own parents. Even for physical ailments, I often would rather avoid visiting a doctor where possible. Anything personal which I do discuss I would rather keep in anonymity.

No reason to apologize. I was just gathering info before I responded .
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Ok - so first thing I would ask - besides your lack of concentration, do you have anything else going on? Emotionally? Psychologically? Socially? Physically?

Negatively speaking, I am always frustrated or irritated (this is pretty consistent), usually tired, and since college, I tend to spend most of my time alone. Additionally, I have a pretty awful problem with procrastination or mere lack of motivation when it comes down to primarily schoolwork. I attempted extracurricular activities at my university, but I disliked them for the most part.

Positively speaking, I am significantly less tired than I was while in high school (due to more sleep, I suppose). I do still have some pretty close friends, though I do not really hang out with them as much anymore. I was never particularly fond of mere socializing, so most of the time I do spend with friends, I prefer actively doing something.

I usually have little to no issues in terms of frustration or any sort of foul mood towards wintertime, but the rest of the year it can become pretty bad. I do not have any history of actually lashing out at people in any form or fashion, so most of my frustration usually just becomes extra stress.

Physically speaking, I rarely feel actually ill. I do often feel tired, though my sleep schedule is somewhat inconsistent, which may cause a bit of it. My diet is relatively healthy, except for the fact that I tend to skip out on vegetables due to picky taste, and I do not exercise. Furthermore, my weight is in an appropriate range for my height.

Ok - so going off what you said - it could just be what we used to refer to as "burn out" when I was in school. Basically too much stress and studying/cramming for exams too much n too often causing your brain to go into overload for a bit and demand a bit of "rest and relaxation" ... or it could be depression. I would suggest going to a psychiatrist for a psychological eval just to check. In the meantime - try to increase your sleep. Simply schedule the hours of sleep and stick to them. If you cannot sleep - try putting a few drops of 100% therapeutic grade lavender essential oil on your pillow. You can also use essential oils to improve concentration but its best to see if simple rest helps first.
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