Comparing Erythromycin vs Penicillin V Potassium
Erythromycin |
Penicillin v potassium |
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Prescribed for Dental Abscess, Upper Respiratory Tract Infection, Skin or Soft Tissue Infection, Bronchitis, Bacterial Endocarditis Prevention, Bowel Preparation, Bartonellosis, Campylobacter... more |
Prescribed for Bacterial Infection, Fusospirochetosis - Trench Mouth, Clostridial Infection, Cutaneous Bacillus anthracis, Lyme Disease - Erythema Chronicum Migrans, Otitis Media, Pneumonia, Rat-bite... more |
Choose a suggestion belowPneumonia
Skin or Soft Tissue Infection
Upper Respiratory Tract Infection
Otitis Media
Rheumatic Fever Prophylaxis
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Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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6.5
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7.7
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Drug Class |
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Side Effects |
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See the full erythromycin side effects document. |
See the full penicillin v potassium side effects document. |
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Pricing and Coupons* Prices are without insurance |
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Generic Availability |
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Yes (this medicine) |
Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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| E-Mycin, E.E.S. Granules, E.E.S.-200, E.E.S.-400, E.E.S.-400 Filmtab, Ery-Tab, Eryc, EryPed, Erythrocin, Erythrocin Lactobionate, Erythrocin Stearate Filmtab, Erythrocot, Ilosone, MY-E, PCE Dispertab, Robimycin, Wyamycin S more... | Penicillin VK | ||||||||||||||||
Half LifeThe 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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2 hours |
1 hour |
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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. |
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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. |
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FDA Alerts |
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N/A |
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Drug Interactions |
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A total of 765 drugs are known to interact with erythromycin:
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A total of 65 drugs are known to interact with penicillin v potassium:
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Alcohol/Food/Lifestyle Interactions |
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No results found - however, this does not necessarily mean no warnings exist. Always consult with your doctor or pharmacist. |
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Disease Interactions |
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First Approval Date |
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June 24, 1964 |
January 13, 1958 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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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.
For Upper Respiratory Tract Infection I was prescribed to take the medication for sinus, inner ear, and chest infection. It made me terribly sick, so I stopped taking it. I know you're not supposed to stop and start, but I did three times. The most recent was after a medic on the set told me to eat yogurt and the sickness would subside. He said it was something in the bioflavins that helped with the nausea. My entire body felt great once I stayed on the medication as prescribed. Take care!