<p>Common side effects include:Injection site reactions (pain, swelling, skin rash, or a hard lump), diarrhea, stomach pain, stomach cramps, nausea, vomiting, loss of appetite, skin rash or itching, hives, white patches or sores inside the mouth or on the lips, vaginal itching or discharge,heartburn, gas,rectal itching,confusion, weakness, hypotension, drowsiness, headache and allergic reactions.</p>