What Causes Excessive Crying, Poor Memory And Indecisiveness While Having Anxiety?

Hello. I have anxiety and find it difficult to visit the doctor office. I use a computer for my daily work as a research scientist. I am normal weight woman in my 30s. I wondering if you can tell me what to expect from a doctor if I should see one. That way I can prepare. I am worried that I am over-worrying . Thank you. These are my symptoms: Excessive crying, Difficulty making simple decisions, Forgetting words, Poor memory muscle pain/muscle tension, tension headaches, Tenderness under skin,feeling of bugs crawling on legs, back etc., burning sensations in hands/arms (after computer use or when very tense), sharp pains in wrists, upper back Tinnitus, loud ringing, but can be pulsing sound or hum (am/pm), loud squeal or pop heart palpitations, usually when stressed/anxious, shortness of breath, dizzy/lightheaded/darkened vision standing up from kneeling, Vision loss in one eye followed by nausea and headache (infrequent) restricted dieting or binge/purging Lack of motivation