Avoid concomitant use of amoxicillin with any of the following: BCG (intravesical); Cholera vaccine.
Amoxicillin may increase the levels/effects of: methotrexate; vitamin K antagonists.
The levels/effects of amoxicillin may be increased by: allopurinol; probenecid.
Amoxicillin may decrease the levels/effects of: BCG (intravesical); BCG vaccine (immunization); Cholera vaccine; lactobacillus and estriol; mycophenolate; sodium picosulfate; Typhoid vaccine.
The levels/effects of amoxicillin may be decreased by: tetracycline derivatives.