Penicillin VK Alternatives Compared
| Penicillin VK (penicillin v potassium) | Amoxicillin | Doxycycline |
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| Penicillin VK (penicillin v potassium) | Amoxicillin | Doxycycline |
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Prescription only
Prescribed for Bacterial Infection, Fusospirochetosis - Trench Mouth, Clostridioides difficile Infection, Cutaneous Bacillus anthracis, Lyme Disease - Erythema Chronicum Migrans, Middle Ear... View more |
Prescription only
Amoxicillin is a penicillin-type antibiotic that may be used to treat infections caused by susceptible bacteria. It is usually well tolerated, but a rash is a common side effect. Prescribed for... 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
Popular comparisons
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| More about Penicillin VK (penicillin v potassium) | More about Amoxicillin | More about Doxycycline | ||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Penicillin VK has an average rating of 6.5 out of 10 from a total of 31 ratings on Drugs.com. 58% of reviewers reported a positive effect, while 32% reported a negative effect. |
Amoxicillin has an average rating of 6.4 out of 10 from a total of 366 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 30% reported a negative effect. |
Doxycycline has an average rating of 6.4 out of 10 from a total of 1635 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 27% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | ||||||||||||||||||
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View all Penicillin VK side effects |
View all Amoxicillin side effects |
View all Doxycycline side effects |
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| Drug Class | ||||||||||||||||||
| Generic Availability | ||||||||||||||||||
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N/A |
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 Amoxicillin prices |
View all Doxycycline prices |
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| Dosage Forms | ||||||||||||||||||
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N/A |
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| Brand Names | ||||||||||||||||||
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N/A |
Amoxil, Apo-Amoxi | 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 Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||
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1 hour |
1.7 hours |
23 hours |
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| CSA Schedule 1 View glossary of CSA 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 56 drugs are known to interact with Penicillin VK:
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A total of 57 drugs are known to interact with Amoxicillin:
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A total of 223 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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N/A |
January 18, 1974 |
December 05, 1967 |
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| WADA Class View classifications | ||||||||||||||||||
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N/A |
N/A |
N/A |
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| Related Treatment Guide | ||||||||||||||||||
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1 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.