 [ Symptoms ] took penicillin antibiotic about month ago for sinus infect found out allergic have felt terrible since any sugg  i took 4 pills before i realized it was the penicillin had never been allergic to it before thought i had a virus with the infection so i kept taking it the vomiting was uncontrollable and severe i just can not seem to get over feeling so bad could it still be in my system [ Disease ] i am sorry to hear this cellulitis can be very painful i hope you are under the care and treatment of a doctor because cellulitis requires antibiotics to be cured cellulitis is a bacterial infection that gets through the skin and into the underlying tissue areas depending on how severe the case of cellulitis is a patient may receive oral antibiotics or have to go into the hospital for a course of intravenous iv antibiotics unfortunately there is little you can do to help the swelling go down you can try keeping the hand and wrist elevated which might help some in terms of pain control please check with your health care provider to find out if it is ok for you to take over the counter pain relievers or if a prescription pain reliever may be in order if the pain gets worse instead of better or if the swelling begins to move up your arm then you need to call your health care provider as soon as possible this could be an indication you need more aggressive treatment i wish you all the best