amikacin vs penicillin V
Side-by-side comparison of amikacin and penicillin V Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Amikin
Pen-Vee K
Amikacin is an antibiotic medicine. It fights serious infections caused by certain types of bacteria.
Penicillin V is an antibiotic. It fights infections caused by bacteria.
Amikacin treats serious infections caused by bacteria. This includes infections in the blood, lungs, bones, joints, brain, skin, and abdomen. It can also treat burns, post-surgery infections, and complicated urinary tract infections.
Penicillin V treats mild to moderate infections caused by bacteria that are sensitive to penicillin. It is often used for strep throat, respiratory infections, and some skin infections. It can also prevent rheumatic fever from coming back.
Amikacin belongs to a class of drugs called aminoglycosides. It works by stopping the growth of bacteria. This helps your body fight off the infection.
Penicillin V stops bacteria from growing. It does this by preventing bacteria from building cell walls. Without a cell wall, the bacteria die.
No common side effects listed.
- • Nausea
- • Vomiting
- • Upset stomach
- • Diarrhea
- • Black, hairy tongue
- Off Label Use 1,908
- Drug Ineffective 1,673
- Cough 1,620
- Dyspnoea 1,556
- Hospitalisation 1,360
- Drug Hypersensitivity 457
- Dyspnoea 211
- Anxiety 178
- Hypersensitivity 149
- Asthma 145
Amikacin can potentially cause hearing loss and kidney damage. Tell your doctor if you have kidney problems or are taking other medicines that can affect your hearing or kidneys. Your doctor should closely monitor you for hearing and kidney problems during treatment. This drug can also cause muscle weakness or breathing problems, especially if you are also taking anesthesia or certain muscle relaxants.
You should not take this medicine if you have had an allergic reaction to any penicillin antibiotic before. Allergic reactions can be severe and even deadly.
Tell your doctor if you are pregnant or breastfeeding. Amikacin may harm your unborn baby. It is not known if amikacin passes into breast milk.
Tell your doctor if you are pregnant or breastfeeding. It is not known if Penicillin V will harm an unborn baby. Penicillin V does pass into breast milk.
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How to Read This amikacin vs penicillin V Comparison
amikacin is classified in the Aminoglycoside Antibiotic drug class, while penicillin V sits within the Natural Penicillin class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, amikacin has 8,117 submissions while penicillin V has 1,140. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between amikacin and penicillin V — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.