Diarrhea, nausea, vomiting, headache, or dizziness may occur. If these effects persist or worsen, notify your doctor or pharmacist promptly.
Tell your doctor right away if you have any serious side effects, including: pain/swelling at injection site or arms/legs, extreme tiredness, easy bruising/bleeding, new signs of infection (e.g., fever, persistent sore throat), dark/cloudy urine, change in the amount of urine, severe abdominal/stomach pain, yellowing eyes/skin, persistent nausea/vomiting, seizures, uncontrolled movements, confusion, muscle cramps, irregular heartbeat.
This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have any of the following symptoms because these products may make them worse. Tell your doctor immediately if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.
Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.