Sulfatrim is the brand name for the generic drug called co-trimoxazole, which contains both trimethoprim and sulfamethoxazole. This medication is an antibiotic prescribed to treat bacterial infections of the lungs, ears, urinary tract and intestines. Typically, Sulfatrim is administered orally as a liquid or tablet twice daily, or as prescribed by a doctor. Before taking this medication, people should be aware of the potential side effects of Sulfatrim.
Upset Stomach
Treatment with Sulfatrim can induce upset stomach side effects in people. These stomach-related side effects can include nausea, vomiting and decreased appetite, RxList reports. Certain people can also develop diarrhea, a side effect associated with frequent, loose bowel movements. Eating a small snack before taking Sulfatrim can help limit the severity of upset stomach side effects in certain people. People who develop bloody diarrhea or experience upset stomach side effects in conjunction with yellow skin discoloration should contact a doctor, Drugs.com advises.
Skin Rash
People can develop a mild skin rash while taking Sulfatrim. Skin rash side effects can appear as several red, irritated patches of skin across a person's body. The skin may also begin to itch, Drugs.com reports. People who develop any type of rash during Sulfatrim treatment, especially severe blistering or skin peeling, should consult a physician for further evaluation and care.
Headache, Dizziness or Tinnitus
Headache pain, dizziness or tinnitus can arise as side effects of Sulfatrim treatment in certain people. Headache or dizziness can make it difficult for people to stay focused or attentive while at school or work. Tinnitus, a side effect characterized by unusual ringing or buzzing sounds in the ears, can exacerbate headache or dizziness side effects in affected people. If these side effects persist or increase in severity, people should contact a medical professional.
Flu-like Symptoms and Mood Changes
Unusual flu-like symptoms or mood changes, such as fever, chills, sore throat, joint pain or confusion, can be indicative of a severe reaction to Sulfatrim, RxList reports. Additional flu-like or mood-related changes may include cough, difficulty breathing, weakness, hallucinations or irritability. Affected people require prompt medical care to prevent severe medical complications.
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