Bactrim

Definition

Bactrim is a combination antibiotic containing sulfamethoxazole and trimethoprim, used to treat various bacterial infections. It is commonly prescribed for urinary tract infections (UTIs), respiratory infections, and certain types of diarrhea.

5 Must Know Facts For Your Next Test

1. Bactrim inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA).
2. It is effective against a broad spectrum of gram-positive and gram-negative bacteria.
3. Patients allergic to sulfonamides should not take Bactrim.
4. Common side effects include nausea, vomiting, rash, and hyperkalemia.
5. Bactrim can interact with warfarin, increasing the risk of bleeding.

Review Questions

• What are the two active components in Bactrim?
• Which types of infections is Bactrim commonly used to treat?
• What are some common side effects associated with Bactrim?

Related terms

Sulfamethoxazole: An antibiotic that inhibits bacterial synthesis of dihydrofolic acid.

Trimethoprim: An antibiotic that inhibits bacterial dihydrofolate reductase.

Urinary Tract Infection (UTI): An infection in any part of the urinary system, commonly treated with antibiotics like Bactrim.