Dizziness reduced cognation lack of focus forgetful ear and eye pain headaches nausiea. Also abdom pain. Side pain back pain weakness of limbs?

Need to examine. It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated.
Dizzy. With multiple complaints which apparently are uncomfortable, you need to see your pcp to find out the cause, whether medical problem or effect of some medication.