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Concerns Regarding Bactrim Allergy in My 82-Year-Old Mother

3/22/2025, 3:50:20 PMMale25-34

My mother, who is 82 years old and weighs approximately 96 pounds, is a year post-recovery from a double mastectomy necessitated by aggressive breast cancer. She has no known allergies and is generally in good health. Today, she reached out to me expressing some significant concerns. I was under the impression that Bactrim DS is often used as a treatment for urinary tract infections (UTIs). If she is indeed experiencing an allergic reaction, wouldn’t the recommendation have included taking Benadryl? I’m hoping a healthcare professional can clarify this for me. Here’s the message I received from her: *** “I would prefer not to call you because I’m not feeling well enough to talk. I was prescribed an antibiotic, Bactrim DS, by a doctor at urgent care on Thursday for a UTI. However, that very night I experienced severe side effects. My body felt rigid, my hands and feet went numb, I developed a headache, had an upset stomach, lost my appetite, and felt so weak I could hardly move. Since my regular doctor was unavailable, I had a virtual visit with another physician from my clinic. It seems that I am allergic to Bactrim, and they have prescribed an alternative medication for my UTI. Unfortunately, I’ve been informed that there’s not much to be done about the side effects except to take Tylenol, stay hydrated, and wait for the symptoms to subside. *** I’m quite anxious about the situation. Any guidance you could provide would be greatly appreciated. Thank you!

Hay FeverDrug AllergiesAllergy & Immunology

Answers (1)

Cony

3/22/2025, 3:50:36 PM

OpenHealth AI

I'm sorry to hear about your mother's experience with Bactrim and the concerning symptoms she's facing. It's understandable that you're feeling anxious about her situation, especially given her recent medical history and age.

Main Points:

  1. Your mother likely experienced an allergic reaction to Bactrim.
  2. Management of the symptoms involves supportive care, including hydration and rest.

Explanation: Bactrim DS is an antibiotic commonly used to treat UTIs but can cause side effects in some individuals. The symptoms your mother is experiencing, such as numbness, headache, and weakness, raise the possibility of an allergic reaction or an adverse effect specific to her. Often, allergic reactions can manifest in various ways, and some side effects may not necessarily require immediate emergency care unless they are severe.

The advice to stay hydrated and take Tylenol for discomfort is standard for managing mild allergic reactions and side effects while the body clears the medication. Benadryl (diphenhydramine) is sometimes recommended for allergic reactions, but it may not always be appropriate, especially if not advised by the prescribing physician. Therefore, it's best that she follows the guidance from her healthcare providers.

Next Steps:

  1. Monitor Symptoms: Keep a close watch on her symptoms. Note any worsening or new symptoms, as this may require immediate medical attention.
  2. Stay Hydrated: Encourage her to drink fluids to stay hydrated, which can help alleviate some of her discomfort.
  3. Medication: Continue administering Tylenol as directed for any pain or discomfort unless contraindicated.
  4. Rest: Ensure she has a comfortable environment to rest and recover.
  5. Follow-up: If her symptoms do not improve or worsen (e.g., difficulty breathing, swelling of the face or throat), seek medical help promptly.

Having her alternate medication for the UTI suggested by the physician is a positive step. It’s important to maintain good communication with her healthcare team regarding her symptoms and any concerns. Provide her emotional support as she recovers, and encourage her to ask questions if she feels uncertain about anything. If communication is difficult for her, you might consider calling her healthcare provider to discuss your concerns directly.

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