Keflex Alternatives Compared
| Keflex | Cephalexin | Doxycycline |
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| Keflex (cephalexin) | Cephalexin | Doxycycline |
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Prescription only
Keflex is a cephalosporin-type antibiotic that may be used in the treatment of gram-positive cocci infections. However, it should be used with caution in people with a penicillin allergy. Prescribed... View more |
Prescription only
Cephalexin is a cephalosporin-type antibiotic that may be used in the treatment of infections caused by susceptible gram-positive bacteria. Approximately 10% of people who are allergic to penicillin... View more |
Prescription only
Doxycycline is an effective antibiotic that treats a wide range of infections. However, it is not usually recommended for children aged less than eight or pregnant women in the last half of their... View more |
Related suggestions Bacterial Infection
Skin or Soft Tissue Infection
Upper Respiratory Tract Infection
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| More about Keflex (cephalexin) | More about Cephalexin | More about Doxycycline | ||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Keflex has an average rating of 7.4 out of 10 from a total of 90 ratings on Drugs.com. 67% of reviewers reported a positive effect, while 19% reported a negative effect. |
Cephalexin has an average rating of 6.4 out of 10 from a total of 505 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 28% reported a negative effect. |
Doxycycline has an average rating of 6.4 out of 10 from a total of 1624 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 26% reported a negative effect. |
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| Drug Class | ||||||||||||||||||
| Side Effects | ||||||||||||||||||
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See also: Keflex side effects in more detail. |
See also: cephalexin side effects in more detail. |
See also: doxycycline side effects in more detail. |
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| Generic Availability | ||||||||||||||||||
| Lower cost generic approved |
Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all cephalexin prices |
View all doxycycline prices |
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| Dosage Forms Available | ||||||||||||||||||
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| Brand Names | ||||||||||||||||||
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N/A |
Keflex | Acticlate, Adoxa, Adoxa CK, Adoxa Pak, Adoxa TT, Alodox, Avidoxy, Doryx, Doryx MPC, Doxy 100, Doxy 200, Doxy-Caps, Doxy-D, LymePak, Mondoxyne NL, Monodox, Morgidox, Okebo, Oracea, Oraxyl, Targadox, Uracil, Vibramycin View more | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | ||||||||||||||||||
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1 hour |
1 hour |
23 hours |
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| CSA Schedule ** View glossary of terms | ||||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | ||||||||||||||||||
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Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | ||||||||||||||||||
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A total of 37 drugs are known to interact with Keflex:
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A total of 37 drugs are known to interact with cephalexin:
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A total of 209 drugs are known to interact with doxycycline:
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| Alcohol/Food/Lifestyle Interactions | ||||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | ||||||||||||||||||
| First Approval Date | ||||||||||||||||||
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January 04, 1971 |
January 04, 1971 |
December 05, 1967 |
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| WADA Class View World Anti-Doping Agency classifications. | ||||||||||||||||||
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N/A |
N/A |
N/A |
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| More Information | ||||||||||||||||||
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| Professional Resources | ||||||||||||||||||
| Related Treatment Guide | ||||||||||||||||||
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.