Sulphamthazole/trimethoprim Flashcards
What is the classification of Bactrim?
Bactrim is classified as a combination antibiotic, specifically a sulfonamide.
What are the active ingredients in Bactrim?
The active ingredients in Bactrim are sulfamethoxazole and trimethoprim.
What is the typical adult dosage of Bactrim for treating infections?
The typical adult dosage of Bactrim is one double-strength tablet (800 mg sulfamethoxazole and 160 mg trimethoprim) every 12 hours.
What is the mechanism of action of Bactrim?
Bactrim works by inhibiting bacterial folic acid synthesis, which is crucial for DNA and RNA production.
Which types of infections is Bactrim commonly indicated for?
Bactrim is commonly indicated for urinary tract infections, respiratory infections, and certain types of gastroenteritis.
True or False: Bactrim can be used to treat viral infections.
False.
What is a common adverse effect of Bactrim?
A common adverse effect of Bactrim is gastrointestinal upset, including nausea and vomiting.
What serious adverse effect is associated with Bactrim?
A serious adverse effect associated with Bactrim is Stevens-Johnson syndrome.
Fill in the blank: Bactrim can interact with ________ medications, increasing the risk of toxicity.
warfarin
What should be monitored in patients taking Bactrim?
Renal function should be monitored in patients taking Bactrim.
True or False: Bactrim is safe for use in pregnant women.
False.
Which laboratory test may be affected by Bactrim?
Bactrim may affect the results of potassium levels, leading to hyperkalemia.
What is the pediatric dosage of Bactrim for children older than 2 months?
The pediatric dosage of Bactrim is typically 8-12 mg/kg/day of trimethoprim component, divided into two doses.
True or False: Bactrim can be used to treat fungal infections.
False.
What is the risk of using Bactrim in patients with a history of sulfa allergy?
Patients with a history of sulfa allergy may experience allergic reactions and should avoid Bactrim.
What should be considered before prescribing Bactrim to elderly patients?
Elderly patients may have decreased renal function, requiring dosage adjustments.
What type of bacteria does Bactrim primarily target?
Bactrim primarily targets gram-positive and gram-negative bacteria.
Fill in the blank: Bactrim is contraindicated in patients with a history of ________.
blood dyscrasias
What is a key consideration when prescribing Bactrim in relation to hydration?
Patients should be encouraged to maintain adequate hydration to prevent crystalluria.
What is the route of administration for Bactrim?
Bactrim is administered orally.
True or False: Bactrim can be used to treat infections caused by MRSA.
True, but it is not the first-line treatment.
What is the effect of Bactrim on folate levels?
Bactrim can decrease folate levels, leading to potential deficiencies.
What should be done if a patient experiences a rash while taking Bactrim?
The medication should be discontinued immediately.
Fill in the blank: Bactrim is not recommended for use in ________ patients due to potential renal side effects.
dehydrated
