What causes tiredness and chills?
Patient: Hi, I feel really tired and get chills. This happens every 2/3 days. I'm fine one minute and then then the next minute I'm absolutely shattered. I'm 43 and a female. Also I keep forgetting things and say the wrong things eg 'turn the volume down on the gas'! Recently had shingles in my head on the right side but the memory loss and tiredness/flu like symtoms were before I had shingles Doctor: HelloSince you are 43 years old and feels tiredness, chills , shattered , forgetfulness .All these symptoms are off and on ,  may be due to these reasons :1 Perimenopausal syndrome , just before onset of menopause the levels of estrogen and other hormones starts decreasing , so this may be the main reason. Diagnosis can be confirmed by blood examination for estrogen , androgen , progesterone . 2 Anxiety or tension ( stress )  is another most common reason of such symptoms .3 Thyroid hormone imbalance . Diagnosis can be confirmed by blood examination for T3, T4 , TSH . As I have noted due to imbalance many patients feel such symptoms .So deal as mentioned above , consult a primary care physician and get his opinion .