Here are some symptoms caused by hypothyroidism:  Weight gain Puffy face Loss or thinning of eyebrows Cold intolerance Low sex drive Depression Abdominal bloating Cold hands or feet Dry or thinning hair Joint or muscle pain Thickening of the skin Thin, brittle fingernails  

Every morning for a week, immediately upon awakening and before you get out of bed, take your temperature with a regular thermometer. Take your temperature again after you've been active, like right before lunch. Best done on an empty stomach as ...