You most certainly are. But, that's not surprising on just 50 mcg levo, it's only a starter dose. Have you been on 50 since 2013? If so, your doctor has been most negligent. You should have been retested after six weeks, and the dose increased by 25 mcg.
Having said that, some of your symptoms could be down to nutritional deficiencies. Have you had your vit D, vit B12, folate and ferritin tested? If not, ask your doctor to do them.
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