Hello Friend, Good that you are seeking a help here. All Your symptoms are sign of anxiety. You may be thinking too much about future or any bothering issues or fear or insecured. feelings. Anxiety also influence your body and health and thats what you are experiencing now. Firstly you need to ventilate your emotions with someone who care about you like friends or family members. If not, take a counseling support to explore your self first and get the root cause for your anxiety. You will also be able to find out the suitation solution to recover from this. With your current condition, better go for a online counseling which will be quick and convenient. Feel free to reach out to me online for further evaluation and recommendation. .

Your problem is indicative of depressive symptoms but to arrive at a precise conclusion it is very much essential that you meet a Professional Clinical Psychologist along with a Psychiatrist you might find it difficult to manage them on your own. As I understand attempts from your end was there which has not materialised which is why it is petsistant. Meet a professional at the earliest.