Infections
Trimethoprim + sulfamethoxazole
Folate antagonist + Sulfonamide Derivative
Other names: Bactrim, Septra
Wait
24 hours
after the first dose
The FAA's MedGuide lists trimethoprim + sulfamethoxazole (Bactrim, Septra) as allowed, for urinary tract infections (UTI), with a wait of 24 hours after the first dose and none after later doses or after the final dose, used as prescribed.
Track your medicationsMore detail: trimethoprim + sulfamethoxazoleThe rest of Crosscheck's reading, in plain wordsOpen
The MedGuide defines allowed as acceptable for use while performing flight or safety-related duties, provided the condition is stable/aeromedically acceptable and no adverse side effects are present, and says wait times are not determined solely by the medication: an extended observation period may be required to verify clinical stability of the condition.
- 24 hours after the first dose: ground observation
Show the FAA's words: trimethoprim + sulfamethoxazoleThe official FAA wording: three passages, each with its document and dateOpen
Generic: trimethoprim + sulfamethoxazole
Brand Name: Bactrim; Septra
Drug Class: Folate antagonist + Sulfonamide Derivative
Underlying Condition: Urinary tract infections (UTI)
Use: ALLOW
INITIAL Wait Time (after first dose): 24 hours
SUBSEQUENT Dose Wait Time (after each dose): None
DISCONTINUATION Wait Time (after final dose): None
Frequency Use Limit: As prescribed
ALLOWED: The medication is acceptable for use while performing flight or safety-related duties, provided the condition is stable/aeromedically acceptable and no adverse side effects are present.
Underlying Condition: Evaluating medication use requires considering the impact of safety of flight from both the medication and underlying condition. Wait times are not determined solely by the medication; an extended observation period may be required to verify clinical stability of the condition.