rifampin vs zolpidem
Side-by-side comparison of rifampin and zolpidem. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
7 DRUG INTERACTIONS CNS depressants, including alcohol: Possible adverse additive CNS- depressant effects ( 5.1 , 7.1 ) Opioids: Concomitant use may increase risk of respiratory depression ( 5.7 , 7.1 ) Imipramine: Decreased alertness observed ( 7.1 ) Chlorpromazine: Impaired alertness and psychomotor performance observed ( 7.1 ) CYP3A4 inducers (rifampin or St. CYP3A4 Inducers Rifampin Rifampin, a CYP3A4 inducer, significantly reduced the exposure to and the pharmacodynamic effects of Zolpidem. Use of Rifampin in combination with Zolpidem may decrease the efficacy of Zolpidem and is not...
Recommendation: This combination is not recommended because the zolpidem will likely not work well enough to help you sleep.
Rifampin is an antibiotic medicine. It fights bacteria in your body to treat infections.
Zolpidem (Ambien) is a medication that helps you fall asleep faster. It is for short-term use only.
Rifampin treats tuberculosis (TB) and helps eliminate the bacteria that cause meningitis from your nose and throat. It is important to use rifampin only for infections that are proven or strongly suspected to be caused by bacteria. This helps to prevent bacteria from becoming resistant to the medicine.
Zolpidem is used to treat insomnia when you have trouble falling asleep. It can help you fall asleep faster. Studies have shown it can decrease the time it takes to fall asleep for up to 35 days.
Rifampin works by stopping bacteria from growing and multiplying. It does this by blocking a key enzyme that the bacteria need to make proteins. This helps your body fight off the infection.
Zolpidem affects a chemical in your brain called gamma-aminobutyric acid (GABA). GABA helps to slow down brain activity. By affecting GABA, zolpidem helps you to feel sleepy.
- • Heartburn
- • Upset stomach
- • Loss of appetite
- • Nausea
- • Vomiting
- • Drowsiness
- • Dizziness
- • Diarrhea
- • Drugged feeling
- Drug Interaction 970
- Drug Reaction With Eosinophilia And Systemic Symptoms 727
- Nausea 628
- Condition Aggravated 550
- Pyrexia 541
- Feeling sick to your stomach 8,383
- Feeling very tired 8,142
- Aches and discomfort 6,379
- Trouble sleeping 6,248
- Head pain 6,219
Rifampin can cause liver problems. Tell your doctor right away if you have yellowing of the skin or eyes, dark urine, or stomach pain. Rifampin can also cause blood problems. Tell your doctor if you have unusual bleeding or bruising.
Zolpidem can cause complex sleep behaviors like sleepwalking, sleep driving, and doing other activities while not fully awake. Some of these events can cause serious injuries or even death. Stop taking zolpidem right away if you experience any of these behaviors.
Tell your doctor if you are pregnant or plan to become pregnant. Rifampin can make birth control pills less effective, so use other forms of birth control. Talk to your doctor if you are breastfeeding.
Taking zolpidem late in pregnancy may cause breathing problems and sleepiness in the newborn. If you are breastfeeding, pump and discard breast milk during treatment and for 23 hours after taking zolpidem.
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How to Read This rifampin vs zolpidem Comparison
rifampin is classified in the Rifamycin Antibiotic drug class, while zolpidem sits within the Non-Benzodiazepine Hypnotic (Z-Drug) 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, rifampin has 3,416 submissions while zolpidem has 35,371. 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 moderate interaction flagged in FDA labeling, attributed to rifampin speeds up how fast your body gets rid of zolpidem, which makes the sleep medicine much less effective.. 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 rifampin and zolpidem - 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.