How many amoxicillin does it take to overdose?

Amoxicillin overdose symptoms may include short breath, diarrhea, nausea, stomach cramps, and vomiting. If you suspect Amoxicillin overdose, seek medical attention right away. If you miss a dose of this medicine, take it as soon as you can. However, if it is just about time for your next dose, skip the one you forgot and go on with your regular schedule. Never take a double dose.