Side Effects of This Medicine

Along with its needed effects, a medicine 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 doctor immediately if any of the following side effects occur:

More common

Deep, dark purple bruise, pain, or swelling at place of injection

Less common

Bladder pain; bleeding gums; blood in urine; bloody or cloudy urine; blurred vision; chest pain; chest tightness; chills; confusion; cough; coughing up blood; difficulty in breathing or swallowing; dizziness; faintness, or lightheadedness when getting up from a lying or sitting position suddenly; fast, slow, or irregular heartbeat; fever; frequent urge to urinate; headache; increased menstrual flow or vaginal bleeding; lower back pain or side pain; nosebleeds; pain or burning while urinating; painful or difficult urination; pale skin; palpitations; paralysis; pounding in the ears; prolonged bleeding from cuts; red or dark brown urine; red or black, tarry stools; severe or continuing dull nervousness; shortness of breath; skin rash; sore throat; sores, ulcers, or white spots on lips or in mouth; sweating; swollen glands; troubled breathing, exertional; unexplained pain, swelling, or discomfort, especially in the chest, abdomen, joints, or muscles; unusual bleeding or bruising; unusual tiredness or weakness; vomiting of blood or coffee ground-like material

Rare

Blue-green to black skin discoloration; bowel/bladder dysfunction; hives; itching; leg weakness; numbness; pain, redness, or sloughing of skin at place of injection; paresthesia; puffiness or swelling of the eyelids or around the eyes, face, lips or tongue; wheezing

Incidence not known

abdominal or stomach pain; accumulation of pus; bloody or black, tarry stools; break in the skin, especially associated with blue-black discoloration, swelling, or drainage of fluid; change in vision; clay-colored stools; collection of blood under the skin; dark urine; diarrhea; excessive thirst; fatigue; hoarseness; large, flat, blue or purplish patches in the skin; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs; loss of appetite; malaise; muscle cramps; numbness and tingling of face, fingers, or toes; pain in arms, legs, or lower back, especially pain in calves and/or heels upon exertion; pain, redness or swelling; painful knees and ankles; pale, bluish-colored, or cold hands or feet; problems with vision or hearing; raised, red swellings on the skin, the buttocks, legs or ankles; redness, tenderness, burning, blistering or peeling of skin (usually on the backs of arms and the fronts of legs, mouth, eyes or hands and feet; red or irritated eyes; seeing floating spots before the eyes; swollen, red, tender area of infection; unpleasant breath odor; weak or absent pulses in legs; yellow eyes or skin

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome.

Less common or rare

Constipation; nausea and vomiting; prolonged, painful, inappropriate erection of the penis; trouble in sleeping

Incidence not known

Hives or welts; redness of skin

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.