SEPTRA DS Rx
Generic Name and Formulations:
Sulfamethoxazole 800mg, trimethoprim 160mg; scored tabs.
Indications for SEPTRA DS:
Susceptible infections including UTIs (not for initial uncomplicated episodes), shigellosis, prophylaxis and treatment of Pneumocystis jiroveci pneumonia (PJP), travelers' diarrhea or acute exacerbations of chronic bronchitis in adults, acute otitis media in children.
1 DS tab, 2 regular tabs, or 20mL of susp every 12hrs for 5 days (shigellosis, travelers' diarrhea), or 10–14 days (UTIs), or 14 days (bronchitis). PJP treatment: 15–20mg/kg per day of trimethoprim (75–100mg/kg per day of sulfamethoxazole) in 4 divided doses at 6-hour intervals for 14–21 days; PJP prophylaxis: one DS tab daily. Renal impairment (CrCl 15–30mL/min): reduce dose by ½; (CrCl <15mL/min): not recommended.
<2 months: see Contraindications. ≥2 months: 8mg/kg per day trimethoprim (40mg/kg per day of sulfamethoxazole) in 2 divided doses at 12-hour intervals for 5 days (shigellosis) or 10 days (otitis media, UTIs). PJP treatment: as adult; PJP prophylaxis or renal impairment: see full labeling.
History of drug-induced immune thrombocytopenia with use of trimethoprim and/or sulfonamides. Megaloblastic anemia due to folate deficiency. Children <2 months. Marked hepatic damage. Severe renal insufficiency when renal status cannot be monitored.
Not for group A β-hemolytic strep. Avoid prolonged administration. Monitor CBCs, urine, and renal function. Hepatic or renal dysfunction. AIDS (increased risk of toxicity). Folate or G6PD deficiency. Severe allergy. Bronchial asthma. Malnutrition. Porphyria. Thyroid dysfunction. Disorders of potassium metabolism. Monitor for electrolyte abnormalities. Maintain adequate hydration. Discontinue if rash occurs. Elderly. Pregnancy (Cat.D). Nursing mothers.
Sulfonamide + folic acid inhibitor.
Caution with concomitant CYP2C8, 2C9, or OCT2 substrates. May potentiate oral anticoagulants (eg, warfarin), hypoglycemics, phenytoin, methotrexate, digoxin. May be potentiated by indomethacin. May increase risk of thrombocytopenia with diuretics (esp. thiazides). Nephrotoxicity with cyclosporine in renal transplant. Megaloblastic anemia with >25mg/week doses of pyrimethamine. May antagonize tricyclic antidepressants. May interfere with assays for serum methotrexate, creatinine. PJP treatment: avoid leucovorin.
Nausea, vomiting, anorexia, allergic skin reactions, blood dyscrasias (eg, thrombocytopenia, aplastic anemia, agranulocytosis), hemolysis, hepatic or renal toxicity, crystalluria, pancreatitis, photosensitivity, drug fever, rash (may be serious, eg, Stevens-Johnson syndrome, toxic epidermal necrolysis), lupus-like syndrome, peripheral neuritis, depression, convulsions, ataxia, hypoglycemia, hyperkalemia, hyponatremia; C. difficile-associated diarrhea.
Tabs—100; DS tabs—20, 100, 250, 500; Susp, Inj—contact supplier
Clinical Pain Advisor Articles
- Analyzing Coverage of Nonpharmacologic Treatments for Low Back Pain
- Two Screening Tools May Accurately Predict Transition From Acute to Chronic Low Back Pain
- Operant Learning May Provide More Benefits Than Energy Conservation in Fibromyalgia
- Predicting the Magnitude of Placebo Analgesia in Chronic Pain
- Dsuvia Gains FDA Approval: We Want to Hear Your Thoughts
- The Unintended Consequences of the CDC Opioid Guideline According to Pain Management Specialists
- Initial Consultation for Neck Pain May Reduce Opioid Consumption, Healthcare Utilization
- FDA-Approved Test Provides Pharmacogenetic Reports Directly to Consumers
- Set of Interventions May Effectively Reduce Opioid Overprescribing
- Cannabinoid-Associated Analgesia May Be Mediated Through Modulation of Affective Processes
- Half of the Responders to Our Poll Agree With the Approval of Dsuvia: We Want to Hear From You
- Daily Alcohol Use May Drive Chronic Pain in Adults With HIV
- Tools to Address the Opioid Crisis
- AHA/ACC Release Updated Guidelines for Cholesterol Management
- Women Fed Soy Formula as Infants More Likely to Experience Menstrual Pain