Had thyroidectomy in May. XXXXXXX after. 200 levothyroxine causes fast heartbeat. Doc switched to 175. Headaches and fast heart beat better. Last blood test and doc said go back on 200. Two days on ... View answer

some more skip a beat then beat real fast. He does not feel faint or dizzy. He is tired after doing ... View answer

Hi doctor Since few days I am waking up to sudden fast heartbeat and unable to fall asleep after that , Mornings I don't feel this , sometimes have to take deep breaths and get tired but these usually ... View answer

Hi doctor Since few days I am waking up to sudden fast heartbeat and unable to fall asleep after that , Mornings I don't feel this , sometimes have to take deep breaths and get tired but these usually ... View answer

I have been prescribed Concor 2.5 mg tablets - first to take 1/2 tablet for 2 weeks and then one tablet for 7 days and then stop entirely. It was prescribed for fast heartbeat - all tests where normal ... View answer

heartbeat...which is sometimes my heartbeat suddently will run very fast..up to 200 per minute and i can not ... fast heartbeat? ... View answer

I felt a fast beating in the side of my throat , Could it be an irregular heartbeat? I felt a fast beatting in the side of my throat, Could it be an irregular heartbeat? ... View answer

Extremely tired and hard heartbeat after eating lunch. I have been loosing weight and eating ... heartbeat, it seems to happen when i overeat, have fast food or soda . I am 5 9 male with... View answer

earlier in my chest at work. Also, I have a fast heartbeat. Any idea what it could be? ...I m a 20 year old male, and I have an intense headache between my eyes near my eyebrows and towards ... View answer

i have just come back from holiday the weather was hot and i started suffering with fast heartbeat, i have an under active thyroid i decided to cut down my medication whilst there which seemed to help ... View answer