The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Headache (28%)
- Indigestion (13%)
- Stomach pain (13%)
- Nausea (12%)
- Diarrhea (9%)
Less Common Side Effects
- Vomiting
- Bleeding
Aggrenox serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious bleeding: feeling faint or lightheaded, dizziness, vomiting blood, bloody or dark-colored stools, severe stomach pain
- Liver problems: swelling of your stomach, yellowing of your skin or the whites of your eyes, confusion
- Kidney problems: tiredness, dry and itchy skin, low appetite, urinating less than usual, foamy or bloody urine, muscle cramps
- Very low blood pressure: dizziness, lightheadedness, faint, tiredness, confusion
Source: DailyMed
The following Aggrenox side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
- Chest pain (angina)—pain, pressure, or tightness in the chest, neck, back, or arms
- Hearing loss, ringing in ears
- Kidney injury—decrease in the amount of urine, swelling of the ankles, hands, or feet
- Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
- Rash, fever, and swollen lymph nodes
- Redness, blistering, peeling, or loosening of the skin, including inside the mouth
- Round red or dark patches on the skin that may itch, burn, and blister
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Diarrhea
- Headache
- Loss of appetite
- Nausea
- Stomach pain
- Upset stomach
