3 doctors weighed in:
Bactrim (sulfamethoxazole and trimethoprim) allergy - timing of symptoms?
3 doctors weighed in

Dr. Steven Saunders
Internal Medicine
2 doctors agree
In brief: Bactrim (sulfamethoxazole and trimethoprim)
Anytime but usually within 1-2 hours.

In brief: Bactrim (sulfamethoxazole and trimethoprim)
Anytime but usually within 1-2 hours.
Dr. Steven Saunders
Dr. Steven Saunders
Thank
Get help from a real doctor now
Dr. William Forsythe
Board Certified,
23 years in practice
171K people helped
Continue
108,000 doctors available
Read more answers from doctors