ganciclovir vs imipenem/cilastatin
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Side-by-side comparison of ganciclovir and imipenem/cilastatin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
7 DRUG INTERACTIONS Ganciclovir: Generalized seizures have been reported in patients who received ganciclovir. 7.1 Ganciclovir Generalized seizures have been reported in patients who received ganciclovir and PRIMAXIN.
Cytovene
Primaxin
Ganciclovir injection is an antiviral medicine. It helps treat and prevent cytomegalovirus (CMV) infections.
Primaxin is a strong antibiotic medicine. It fights serious infections in your body caused by certain bacteria.
This medicine treats CMV retinitis, an eye infection, in people with weak immune systems, including those with AIDS. It also prevents CMV disease in adults who have had organ transplants and are at risk for CMV.
Primaxin treats serious infections like lung infections and urinary tract infections. It can also treat infections in the belly, female organs, blood, bones, joints, and skin. Primaxin can also treat infections of the heart. However, Primaxin is not for treating meningitis or other central nervous system infections.
Ganciclovir stops CMV from multiplying. It does this by blocking a key enzyme the virus needs to make copies of itself. This helps your body fight off the CMV infection.
Primaxin has two medicines: imipenem and cilastatin. Imipenem kills bacteria by stopping them from building cell walls. Cilastatin helps imipenem work better by preventing its breakdown in your kidneys.
- • Fever
- • Diarrhea
- • Low white blood cell count
- • Nausea
- • Anemia (low red blood cell count)
- • Phlebitis (vein irritation)
- • Nausea
- • Diarrhea
- • Vomiting
- • Rash
- Cytomegalovirus Infection 1,170
- Drug Resistance 653
- Pyrexia 590
- Neutropenia 503
- Pancytopenia 503
- Pyrexia 87
- Pathogen Resistance 80
- Thrombocytopenia 67
- Electrocardiogram Qt Prolonged 63
- Nausea 62
This drug can cause serious side effects. It can lower blood cell counts, possibly leading to severe infections or bleeding. It may also harm fertility in both men and women. Ganciclovir can cause birth defects and may increase your risk of cancer. Talk to your doctor about these risks.
Primaxin can cause serious allergic reactions. Tell your doctor if you are allergic to any beta-lactam antibiotics like penicillins or cephalosporins. Primaxin can also cause seizures, especially if you have a brain problem or kidney problems. It can also cause severe diarrhea from C. difficile. Using Primaxin with valproic acid may cause seizures.
Ganciclovir can harm your unborn baby. Do not get pregnant while taking this medicine. Talk to your doctor about birth control. Breastfeeding is not recommended while using this medicine.
Not enough studies have been done to know if Primaxin is safe during pregnancy. Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
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How to Read This ganciclovir vs imipenem/cilastatin Comparison
ganciclovir is classified in the Antiviral (Nucleoside Analog) drug class, while imipenem/cilastatin sits within the Carbapenem Antibiotic Combination 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, ganciclovir has 3,419 submissions while imipenem/cilastatin has 359. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to using these two drugs at the same time can increase the chance of having a seizure.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for ganciclovir or imipenem/cilastatin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.