Bactrim DS Oral

In Depth

Generic Name: SULFAMETHOXAZOLE/TRIMETHOPRIM- ORAL
Pronounced: (sull-fuh-meth-OX-uh-zole/try-METH-oh-prim)

Bactrim DS Oral Side Effects

Nausea, vomiting, diarrhea, loss of appetite, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

muscle weakness
mental/mood changes
new lump/growth in the neck (goiter)
signs of low blood sugar (e.g., shaking, dizziness, blurred vision, unusual hunger)

Tell your doctor immediately if any of these highly unlikely but very serious side effects occur:

blood in the urine
change in the amount of urine

Seek immediate medical attention if any of these highly unlikely but very serious side effects occur:

confusion
persistent headache
neck stiffness
seizures

This medication may rarely cause serious (possibly fatal) allergic reactions and other side effects such as a severe peeling skin rash (e.g., Stevens-Johnson syndrome), blood disorders (e.g., agranulocytosis, aplastic anemia), liver damage, or lung injury. If you notice any of the following, seek immediate medical attention:

skin rash/blisters
itching/swelling (especially of the face/tongue/throat)
persistent sore throat or fever
paleness
joint pain/aches
persistent cough
trouble breathing
easy bleeding/bruising
yellowing eyes or skin
persistent nausea/vomiting
unusual fatigue
dark urine

This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a resistant bacteria. This condition may occur while receiving therapy or even weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have the following symptoms because these products may make them worse. Tell your doctor immediately if you develop: persistent diarrhea, abdominal or stomach pain/cramping, or blood/mucus in your stool.

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