Get emergency medical help if you have signs of an allergic reaction to amoxicillin (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Call your doctor at once if you have:
severe stomach pain; or
diarrhea that is watery or bloody (even if it occurs months after your last dose).
Common amoxicillin side effects may include:
nausea, vomiting, diarrhea; or
rash.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Amoxicillin side effects (more detail)
