 [ Symptoms ] do i have a uti or std need help  i had sex with a girl and she told me during sex she had a uti afterwards it started to burn when i peed i went about a week like that and bought some medicine for a uti well the burning went away but i now experience shortness of bladder and noticed that when i have to go i do not really feel a relieving sense do i need to take more of the medication to clear this up all has occurred over the last month or so [ Disease ] let is look at the ingredients of each of these medications separately vicodin contains hydrocodone and acetaminophen fioricet contains acetaminophen butalbital and caffeine i would be cautious in using both products in order to prevent overdosing of acetaminophen this medication while safe as an over the counter medication can cause damage to the liver at extreme doses if you need to take both medications consult your local pharmacist to discuss the correct dose for you