 [ Symptoms ] why am i always hungry and tired  i am a 19 year old male 60 tall 150 pounds i work out at least 4 times a week including cardio and weight training i eat healthy and balanced with the occasional junk food i do not drink caffeine or soda i always eat breakfast lunch and dinner and snack throughout the whole day some days i eat over 3500 calories i do not gain or lose weight easily i sleep between 8 10 hours every night including the weekends however i am constantly hungry even after a meal and i am always tired [ Disease ] you can try active probiotics or probiotic drinks but sometimes if you are particularly prone to vaginal yeast infections you will still get them some antibiotics are more notorious for causing them than others make sure that your medical provider has a standing order for yeast medication if or when you go get vaginitis oral diflucan prescription only is nice and much less messy than vaginal creams or suppositories