acetaminophen vs cidofovir
Side-by-side comparison of acetaminophen and cidofovir. 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
Drug Interactions Probenecid Probenecid is known to interact with the metabolism or renal tubular excretion of many drugs (e.g., acetaminophen, acyclovir, angiotensin-converting enzyme inhibitors, aminosalicylic acid, barbiturates, benzodiazepines, bumetanide, clofibrate, methotrexate, famotidine, furosemide, nonsteroidal anti-inflammatory agents, theophylline, and zidovudine).
Recommendation: Check with your doctor before using acetaminophen while receiving cidofovir. They may recommend a lower dose to ensure your safety.
Tylenol
Vistide
Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.
Cidofovir injection is an antiviral medicine. It is used to treat CMV retinitis, an eye infection, in people with AIDS.
This medicine temporarily relieves minor aches and pains. It can help with headaches, the common cold, backaches, and minor arthritis pain. It can also help with toothaches, muscle aches, premenstrual and menstrual cramps. Acetaminophen can also temporarily reduce fever.
Cidofovir treats CMV retinitis in people who have AIDS. CMV retinitis is an infection in the eye that can cause vision problems. This medicine has not been proven to work for other CMV infections or in people without HIV.
Acetaminophen's exact mechanism is not fully understood. It is believed to work in the brain to reduce pain signals. It also helps to lower body temperature when you have a fever.
Cidofovir stops the CMV virus from making copies of itself. It does this by blocking a key enzyme the virus needs to reproduce its DNA. This helps to reduce the amount of virus in your body.
- • Headache
- • Nausea
- • Kidney problems
- • Lowered white blood cell count
- • Decreased eye pressure
- • Inflammation inside the eye
- Tiredness 34,486
- Feeling sick to your stomach 29,571
- Head pain 28,378
- Aches 28,322
- Loose stool 23,628
No adverse event reports.
Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.
Cidofovir can cause serious kidney damage, possibly leading to death. To reduce this risk, you must receive IV fluids and take probenecid pills with each dose. Your kidney function and white blood cell counts will be checked regularly. This drug can also cause birth defects and cancer, based on animal studies. It is only for treating CMV retinitis in AIDS patients.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.
Cidofovir may cause harm to an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if cidofovir passes into breast milk, so talk to your doctor if you are breastfeeding.
How to Read This acetaminophen vs cidofovir Comparison
acetaminophen is classified in the Analgesic / Antipyretic drug class, while cidofovir sits within the Antiviral (Nucleotide Analog) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, acetaminophen has 144,385 submissions while cidofovir has 0. 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 is taken alongside cidofovir and can interfere with how your body processes and removes acetaminophen. this could result in higher levels of acetaminophen in your system.. 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 acetaminophen and cidofovir - 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.