What is the adult dosing and frequency of Bactrim (Trimethoprim/Sulfamethoxazole) for folliculitis?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: February 24, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

The recommended adult dosing for Bactrim (Trimethoprim/Sulfamethoxazole) in treating folliculitis is 1-2 DS tablets (each containing 800 mg sulfamethoxazole and 160 mg trimethoprim) taken orally twice daily [@1@].

Key Considerations

  • The treatment duration is typically 7-10 days, but this may vary depending on the severity of the infection and the patient's response to treatment.
  • It is essential to complete the entire prescribed course of antibiotics, even if symptoms improve before the medication is finished, to ensure the infection is fully cleared and reduce the risk of antibiotic resistance.
  • Patients should be advised to stay well-hydrated during treatment and take the medication with a full glass of water, with or without food, to minimize gastrointestinal upset.

Potential Side Effects and Interactions

  • Common side effects of Bactrim include rash, nausea, and sun sensitivity, and patients should be informed of these potential risks.
  • Patients with a history of sulfa allergy, kidney or liver disease, or those taking certain medications (such as blood thinners or methotrexate) should inform their healthcare provider, as dosing adjustments or alternative treatments may be necessary [@1@].

Mechanism of Action

  • Bactrim works by inhibiting bacterial folate synthesis, effectively treating many skin infections, including folliculitis caused by susceptible strains of bacteria [@1@].

Important Notes

  • The choice of antibiotic and dosing regimen should be guided by local epidemiology, antibiotic resistance patterns, and patient-specific factors, such as comorbidities and medication allergies.
  • In cases of severe or complicated folliculitis, or if the patient does not respond to oral antibiotics, hospitalization and surgical intervention may be necessary [@1@].

From the Research

Adult Dosing and Frequency of Bactrim (Trimethoprim/Sulfamethoxazole) for Folliculitis

  • There are no research papers to assist in answering this question, as none of the provided studies mention the use of Bactrim (Trimethoprim/Sulfamethoxazole) for folliculitis or its dosing and frequency 1, 2, 3, 4, 5.
  • The studies provided discuss various other treatments for folliculitis, including dapsone 1, 2, isotretinoin 2, itraconazole 3, monochromatic excimer light 4, and ornidazole-based sequential therapy 5.
  • However, none of these studies provide information on the use of Bactrim (Trimethoprim/Sulfamethoxazole) for folliculitis, making it impossible to determine the adult dosing and frequency for this specific treatment.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.