 [ Symptoms ] could i still have lyme disease  i was diagnosed 4 yrs ago i never found a tick bite so i am not sure how long i had it before i started antibiotics i have never felt the same i am still just as tired and constantly achy in my neck and back i get terrible headaches that last days i get sharp pains in my arms all the time i randomly get dizzy and i have fainted a several times a year ago someone said it is allergies so i tried allergy medicines and just got sicker in sept i had mono i am 18 and i still feel like i am dying [ Disease ] most helpful answer ms contin is morphine and and opioid oxycodone is another opioid so i doubt that a drug test will show up as negative