With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Amoxicillin is less commonly taken by injection in the arm than by mouth.
text_B: Amoxicillin also spelled amoxycillin , is an antibiotic useful for the treatment of a number of bacterial infections .. antibiotic. antibiotic. It is the first line treatment for middle ear infections .. middle ear infections. acute otitis media. It may also be used for strep throat , pneumonia , skin infections , and urinary tract infections among others .. strep throat. strep throat. pneumonia. pneumonia. skin infections. cellulitis. It is taken by mouth , or less commonly by injection .. Common side effects include nausea and rash .. It may also increase the risk of yeast infections and , when used in combination with clavulanic acid , diarrhea .. yeast infections. candidiasis. clavulanic acid. clavulanic acid. diarrhea. diarrhea. It should not be used in those who are allergic to penicillin .. penicillin. penicillin. While usable in those with kidney problems , the dose may need to be decreased .. Its use in pregnancy and breastfeeding does not appear to be harmful .. pregnancy. pregnancy. breastfeeding. breastfeeding. Amoxicillin was discovered in 1958 and came into medical use in 1972 .. It is on the World Health Organization 's List of Essential Medicines , the most effective and safe medicines needed in a health system .. health system. health system. It is one of the most commonly prescribed antibiotics in children .. Amoxicillin is available as a generic medication .. generic medication. generic medication. It has a wholesale cost in the developing world of between 0.02 and 0.05 USD per pill .. developing world. developing world. In the United States ten days of treatment costs about 16 USD .
related.