HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Can someone with bactrim (sulfamethoxazole and trimethoprim) sulfa allergy take doxycycline?

A doctor has provided 1 answer
Dr. Neal Jain answered

Yes: There should be no interaction between sulfa or an allergy to Bactrim (sulfamethoxazole and trimethoprim) (which contains a sulfa antibiotic - sulfamethoxazole and another component, trimethoprim) and doxycycline.

Dr Fowler agreed

Answered 3/11/2018

4.9k views

Thank

Related Questions

A member asked:

Been prescribed azythromycin doxycycline 15 days and Bactrim (sulfamethoxazole and trimethoprim) 15 days. Sinus infection and uti. I'm not using all these. Which is best for both?

A doctor has provided 1 answer

A member asked:

48 white male severe dysuria, moderate hematuria x 4wks. Failed bactrim, (sulfamethoxazole and trimethoprim) doxycycline, rapiflo. Cysto:thickening anterior bladder wall; cause?

A doctor has provided 1 answer

A member asked:

I had an allergic reaction to bactrim (sulfamethoxazole and trimethoprim) on 1/11/14 (swollen lips and rashes on abdomen & back arm). I was given doxycycline hyclate. Rash became bumps?

2 doctors weighed in across 2 answers

A member asked:

Can I take an otc antihistamine along with bactrim (sulfamethoxazole and trimethoprim) and prednisone? It is not for allergic reaction from bactrim (sulfamethoxazole and trimethoprim), just for pollen allergy

9 doctors weighed in across 2 answers

A member asked:

My daughter was put on bactrim (sulfamethoxazole and trimethoprim) last night for a bladder infection. She has sulfa allergy. Is it ok?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I have taken bactrim (sulfamethoxazole and trimethoprim) many times w/out incident. Am i at risk for stevens johnson each time i take it or only if I have sulfa allergy?
If allergic to Bactrim (sulfamethoxazole and trimethoprim) & Ceclor, is allergy to all sulfa drugs & cephalosporins assumed?
Can I take nyquil if I am takening both bactrim (sulfamethoxazole and trimethoprim) and doxycycline for an infection?
I'm allergic to Bactrim (sulfamethoxazole and trimethoprim). Now my neck has a rash and I'm very drowsy after taking doxycycline hyclate. Could I be allergic to it also?
Does bactrim (sulfamethoxazole and trimethoprim) treat gonorrhea? Im allergic to the -mycin family and the doxycycline i was taking made me ill after a week. No symptoms have reoccured

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.