Amoxicillin vs Cephalexin

Amoxicillin
(Rx)
Cephalexin
(Rx)
Amoxicillin is an antibiotic.
Cephalexin is an antibiotic.
Satisfaction Score
?
2.5
Slightly Satisfied
Satisfaction Score
?
2.9
Moderately Satisfied
Concern level
2.0
Concern level
1.9
Approval Date
+ -
February 9, 1976
April 26, 1976
Number of discussions around the web Number of discussions + -
78,990 Discussions
10,751 Discussions
Taken For
+ -
Condition
Number of posts
#1 for Infection
#2 for Ear Infection
#5 for UTI
#6 for Lyme
#7 for Sore Throat
#8 for Strep Throat
#11 for Acne
#12 for Bronchitis
#13 for Pneumonia
#14 for Abscess
#15 for Tonsilitis
Amoxicillin is prescribed for Infection, Ear Infection, Sinus Infections, Streptococcal Infection and UTI and is mostly mentioned together with these indications.
Condition
Number of posts
#1 for Infection
#2 for UTI
#3 for Ear Infection
#5 for Mastitis
Cephalexin is prescribed for Infection and UTI and is mostly mentioned together with these indications.
Side Effects and Concerns
+ -
Amo
Allergy
9
Tiredness
2
Nausea
2
Dizziness
1
Insomnia
1
Weakness
1
Irritability
1
Depression
1
Stomach Problems
1
Diabetes
1
Cep
Allergy
10
Nausea
3
Diarrhea
3
Tiredness
2
Penicillin Allergy
2
Dizziness
1
Vomiting
1
Sore Throat
1
Hives
1
Anxiety
1
Compare concerns
By:
Amoxicillin
Amo
Cephalexin
Cep
Allergy
Amo
Cep
9
10
Tiredness
Amo
Cep
2
2
Nausea
Amo
Cep
2
3
Dizziness
Amo
Cep
1
1
Insomnia
Amo
Cep
1
0
Weakness
Amo
Cep
1
0
Irritability
Amo
Cep
1
0
Depression
Amo
Cep
1
0
Stomach Problems
Amo
Cep
1
0
Diabetes
Amo
Cep
1
0
Allergy
Cep
Amo
10
9
Nausea
Cep
Amo
3
2
Diarrhea
Cep
Amo
3
0
Tiredness
Cep
Amo
2
2
Penicillin Allergy
Cep
Amo
2
0
Dizziness
Cep
Amo
1
1
Vomiting
Cep
Amo
1
0
Sore Throat
Cep
Amo
1
0
Hives
Cep
Amo
1
0
Anxiety
Cep
Amo
1
0
Pregnancy Category (FDA) OpenClose all pregnancy categories
+ -
a b c d x n
Category A
Adequate and well-controllted studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).
Category B
Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.
Category C
Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Category D
There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Category X
Studies in animals or humans have demonstrated fetal abnormalities and/or there is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience, and the risks involved in use of the drug in pregnant women clearly outweigh potential benefits.
Category N
FDA has not classified the drug.
close
B Category B
Before taking Amoxicillin during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
B Category B
Before taking Cephalexin during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
Alcohol warning
+ -
There may be a negative interaction between Amoxicillin and alcohol.
There may be a negative interaction between Cephalexin and alcohol.
Method of use
+ -
Pill
Pill
Dosages
+ -
Tablet: 125 mg, 200 mg, 250 mg, 400 mg, 500 mg, 600 mg, 775 mg, 875 mg
Suspension: 125 mg/5 mL, 200 mg/5 mL, 250 mg/5 mL, 400 mg/5 mL
Capsule: 250 mg, 500 mg
Drops: 50 mg/mL
Tablet: 1 gram, 125 mg, 250 mg, 500 mg
Capsule: 250 mg, 500 mg, 750 mg
Suspension: 125 mg/5 mL, 250 mg/5 mL
Food Instructions
+ -
No Food Instructions
No Food Instructions
Ingredients
+ -
Amoxicillin Trihydrate
Cephalexin Monohydrate
Drug Interactions
+ -
Interaction between Amoxicillin and Cephalexin: Interaction not known, but may still exist. Always consult your doctor before taking these medications together. Do not stop taking the medications without a physician's advice.
Read more about:
Amoxicillin
Read more about:
Cephalexin
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Treato does not review third-party posts for accuracy of any kind, including for medical diagnosis or treatments, or events in general. Treato does not provide medical advice, diagnosis or treatment. Usage of the website does not substitute professional medical advice.
The side effects featured here are based on those most frequently appearing in user posts on the Internet. The manufacturer's product labeling should always be consulted for a list of side effects most frequently appearing in patients during clinical studies. Talk to your doctor about which medications may be most appropriate for you.
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