Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your health care professional immediately if any of the following side effects was happen
Less common
Change in the frequency of urination or amount of urine; chills; coughing; difficulty in breathing; drowsiness; fever; increased thirst; loss of appetite; nausea or vomiting; sore throat; weakness
Rare
Abdominal tenderness; abnormal bleeding or bruising; large blisters on arms, legs, hands, feet, or upper body; loss of hearing; ringing or buzzing or a feeling of fullness in the ears; severe abdominal or stomach cramps and pain; watery and severe diarrhea, which may also be bloody Note:
Some of the above side effects also may occur up to few weeks after you stop receiving this drug.
Symptoms of “red man syndrome” Less common
Chills or fever; fainting; fast heartbeat; hives; itching; low blood pressure; nausea or vomiting; rash or redness of the face, base of neck, upper body, back and arms Note:
Symptoms of the “red man syndrome” are more common when vancomycin is given by direct or rapid injection.
The above side effects, except the “red man syndrome,” are more likely to occur in the elderly, who are usually more sensitive to the effects of vancomycin.
More common side effects not listed above may also occur in some diseaseds. If you have any other problems, check with your family doctor.