GERD Home > Pepcid Side Effects
Most people tolerate Pepcid well. If side effects do occur, they are usually mild and do not require treatment or can easily be treated. A few of the more common side effects seen with Pepcid include headaches, dizziness, and diarrhea. Some serious side effects that you should report to your healthcare provider include seizures, arrhythmias, symptoms of liver problems, and signs of an allergic reaction.
- Headaches -- in up to 4.7 percent of people
- Diarrhea -- up to 1.7 percent
- Dizziness -- up to 1.3 percent
- Constipation -- up to 1.2 percent.