My daughter is a healthy 23 years old had a severe allergic reaction last night after Bactrim and peanut putter... she had a real bad headache, red eyes... face... arms, legs, itching... temperature more than 100... low blood pressure a little difficult to breath... this never happen before... This morning she is much better after Benadryl
Anyone can develop an allergy at any time. Many are allergic to sulfa, the main ingredient in Bactrim and Septra. I didn't think fever was a symptom of allergy, but it might be. You probably should let the doctor who prescribed the Bactrim know about her reaction. It may be a sign that she shouldn't take it anymore. Some allergies get much worse each time you have a reaction. Some happen after an accumulation of the substance the person is allergic to. Definitely watch her very closely. If there is anymore swelling of the throat, mouth, tongue, or if she is having a hard time breathing, she may need to go to the ER.
- Bactrim Information for Consumers
- Bactrim Information for Healthcare Professionals (includes dosage details)
- Side Effects of Bactrim (detailed)
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