ganciclovir vs probenecid
Side-by-side comparison of ganciclovir and probenecid. 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
Probenecid ↑ Ganciclovir Ganciclovir Injection dose may need to be reduced. (7) Probenecid: May increase ganciclovir levels.
Recommendation: Your doctor may need to lower your dose of ganciclovir to prevent side effects.
Cytovene
Benemid
Ganciclovir injection is an antiviral medicine. It helps treat and prevent cytomegalovirus (CMV) infections.
No summary available.
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.
Information not available.
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.
Information not available.
- • Fever
- • Diarrhea
- • Low white blood cell count
- • Nausea
- • Anemia (low red blood cell count)
- • Diarrhea
- • Nausea
- • Yeast infection of the vagina
- • Headache
- • Vomiting
- CMV infection 1,170
- The virus is not responding to the medicine 653
- Fever 590
- Low count of a type of white blood cell 503
- Low count of all types of blood cells 503
- Diarrhea 76
- Difficulty breathing 52
- Adenovirus infection 47
- Weakness 47
- Tiredness 46
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.
No specific warnings noted.
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.
No pregnancy information available.
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How to Read This ganciclovir vs probenecid Comparison
ganciclovir is classified in the Antiviral (Nucleoside Analog) drug class, while probenecid sits within the Uricosuric Agent 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 probenecid has 268. 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 probenecid makes it harder for your body to remove ganciclovir, causing the drug to stay in your system longer.. 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 ganciclovir and probenecid - 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.