dofetilide vs dolutegravir
Side-by-side comparison of dofetilide and dolutegravir. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
Dolutegravir may increase plasma concentrations of drugs eliminated via OCT2 or MATE1 (dofetilide, dalfampridine, and metformin) [see Contraindications ( 4 ), Drug Interactions ( 7.3 )] . Other Agents Antiarrhythmic: Dofetilide ↑Dofetilide Coadministration is contraindicated with TRIUMEQ and TRIUMEQ PD [see Contraindications ( 4 )] .
Recommendation: Do not take these two medications together. Your doctor will need to find an alternative treatment.
Tikosyn
Tivicay
Dofetilide (Tikosyn) helps keep your heart in a normal rhythm if you have atrial fibrillation or atrial flutter. It can also help convert these abnormal rhythms back to normal.
TRIUMEQ is a drug that contains three medicines in one pill: dolutegravir, abacavir, and lamivudine. It is used to treat HIV-1 infection in adults and children.
This medicine is used to maintain a normal heart rhythm if you have atrial fibrillation or atrial flutter for more than a week, and your heart has been returned to a normal rhythm. It can also convert atrial fibrillation and atrial flutter to a normal rhythm. This medicine is for people who have bothersome symptoms from their atrial fibrillation or flutter.
TRIUMEQ treats HIV-1, the virus that causes AIDS. It helps to lower the amount of virus in your body. This medication can help your body fight infection and can improve your health.
Dofetilide belongs to a class of drugs called Class III antiarrhythmics. It works by changing the electrical activity in your heart. This helps to stabilize your heart rhythm and prevent irregular heartbeats.
TRIUMEQ contains three drugs that each work differently to stop HIV from multiplying. Dolutegravir is an integrase strand transfer inhibitor (INSTI). Abacavir and lamivudine are nucleoside analogue reverse transcriptase inhibitors.
- • Headache
- • Chest pain
- • Dizziness
- • Trouble sleeping (insomnia)
- • Headache
- • Feeling tired
- Irregular heartbeat 1,059
- Shortness of breath 603
- Feeling lightheaded 552
- Feeling tired 521
- Death 478
- Pain 1,425
- Anxiety 1,051
- Emotional Distress 1,048
- Anhedonia 942
- Chronic Kidney Disease 701
This drug can cause life-threatening heart rhythm problems. To lower this risk, you must start or restart this medicine in a hospital where your heart can be watched closely for at least 3 days. The hospital staff will check your kidney function and heart rhythm regularly.
TRIUMEQ can cause serious allergic reactions. If you have a gene called HLA-B*5701, you are more likely to have an allergic reaction. You should be tested for this gene before taking TRIUMEQ. Symptoms can include fever, rash, nausea, vomiting, diarrhea, or stomach pain. Some people can also experience liver problems or a heart attack.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if this medicine will harm your unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while pregnant or breastfeeding.
Tell your doctor if you are pregnant or plan to become pregnant. There is a pregnancy registry to monitor outcomes in people who take TRIUMEQ during pregnancy. Talk to your doctor about the risks and benefits of taking TRIUMEQ during pregnancy.
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How to Read This dofetilide vs dolutegravir Comparison
dofetilide is classified in the Class III Antiarrhythmic drug class, while dolutegravir sits within the Integrase Strand Transfer Inhibitor 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, dofetilide has 3,213 submissions while dolutegravir has 5,167. 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 major interaction flagged in FDA labeling, attributed to dolutegravir blocks the proteins in the kidneys that normally help remove dofetilide from the body. this causes the levels of dofetilide in your blood to rise.. 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 dofetilide and dolutegravir - 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.