Sulfonamides (Bactrim, Bactrim DS, Septra, Septra DS) (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

Early Type 2 Diabetes Symptoms

Early symptoms of diabetes include

  • excessive thirst,
  • cloudy or blurry vision,
  • weight loss,
  • fatigue, and
  • erectile dysfunction.

What are the side effects of sulfonamides?

Sulfonamides may cause:

Sulfonamides should be stopped at the first appearance of a skin rash before the rash becomes severe.

Serious rashes include:

  • Stevens-Johnson syndrome, which includes symptoms like:
    • aching joints,
    • aching muscles,
    • redness,
    • blistering, and
    • peeling of the skin
  • Toxic epidermal necrolysis, which includes symptoms like:
    • difficulty in swallowing,
    • peeling,
    • redness,
    • loosening, and
    • blistering of the skin.

Sulfonamides also may cause sensitivity to the sun that leads to extensive sunburn after exposure to sunlight (photosensitivity). Patients receiving sulfonamides should avoid excessive exposure to sunlight and should wear sunscreen.

Other rare side effects include liver damage, low white blood cell count (leucopenia), low platelet count (thrombocytopenia), and anemia. Formation of urinary crystals which may damage the kidney and may cause blood. Adequate hydration is needed to prevent the formation of urinary crystals.

Medically Reviewed by a Doctor on 3/27/2015

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Finder Tool

Need help identifying pills and medications?
Use the pill identifier tool on RxList.

Back to Medications Index

Health Solutions From Our Sponsors