fluoxetine vs nifedipine
Side-by-side comparison of fluoxetine and nifedipine. 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
CYP3A inhibitors such as fluconazole, itraconazole, clarithromycin, erythromycin, nefazodone, fluoxetine, saquinavir, indinavir, and nelfinavir may result in increased exposure to nifedipine when co-administered.
Recommendation: Your doctor may need to lower your nifedipine dose and watch for signs of low blood pressure.
Prozac, Sarafem
Procardia, Adalat
Fluoxetine is a medicine that can help treat depression and other mental health conditions. It belongs to a class of drugs called selective serotonin reuptake inhibitors (SSRIs).
Nifedipine is a calcium channel blocker. It helps to relax blood vessels, which can lower blood pressure and reduce chest pain.
Fluoxetine can treat major depressive disorder in adults and children. It also treats obsessive-compulsive disorder (OCD) in adults and children. Fluoxetine can help with bulimia nervosa (an eating disorder) and panic disorder. Sometimes, it is used with another medicine called olanzapine to treat depression related to bipolar disorder.
This medicine treats chest pain (angina) caused by tight blood vessels. It also treats high blood pressure. Lowering blood pressure reduces the risk of strokes and heart attacks.
Fluoxetine works by increasing the amount of serotonin in your brain. Serotonin is a chemical that helps regulate mood. By increasing serotonin, fluoxetine can help improve mood and reduce symptoms of depression, OCD, and other conditions.
Nifedipine blocks calcium from entering heart and blood vessel cells. This relaxes and widens blood vessels. As a result, the heart doesn't have to work as hard, and blood pressure goes down.
- • Abnormal dreams
- • Problems ejaculating
- • Loss of appetite
- • Feeling anxious
- • Feeling weak
- • Swelling, especially in the legs or ankles
- • Headache
- • Fatigue
- • Dizziness
- • Constipation
- The medicine is interacting with another medicine 3,336
- Harmful effect from different substances 3,316
- Feeling sick to your stomach 3,233
- Feeling tired 3,155
- Death by suicide 2,904
- Difficulty breathing 2,429
- Tiredness 2,303
- Diarrhea 2,265
- Feeling sick to your stomach 2,220
- Headache 1,996
Antidepressants may increase the risk of suicidal thoughts and behaviors in children, teenagers, and young adults. Watch closely for worsening depression or suicidal thoughts. Tell your doctor right away if you notice any changes in mood or behavior. Fluoxetine is not approved for use in children younger than 7 years old.
In rare cases, nifedipine can cause serious gastrointestinal problems, including obstruction. If you experience severe abdominal pain, vomiting, or inability to pass stool, seek immediate medical attention.
Talk to your doctor if you are pregnant or plan to become pregnant. Fluoxetine should only be used during pregnancy if the benefit outweighs the risk to the baby. Breastfeeding is not recommended while taking fluoxetine.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if nifedipine will harm your unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while pregnant or breastfeeding.
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How to Read This fluoxetine vs nifedipine Comparison
fluoxetine is classified in the Selective Serotonin Reuptake Inhibitor (SSRI) drug class, while nifedipine sits within the Calcium Channel Blocker 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, fluoxetine has 15,944 submissions while nifedipine has 11,213. 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 fluoxetine slows down the process that removes nifedipine from your body, which can lead to higher drug levels.. 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 fluoxetine and nifedipine - 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.