Ampoxin has ampicillin and cloxacillin
The ampicillin component is known to alter the bowel flora
So yes the symptoms that you are having might be a result of altered bowel flora due to antibiotics
No need to worry as the symptoms will subside with cessation of antibiotics
Next Steps
add curd/probiotics to your diet. it is rich in lactobacillus and will help replenish the bowel flora
Health Tips
if you start having fever, blood in stools, pain in abdomen the consult a surgeon asap
otherwise no need to worry about it