clarithromycin vs pioglitazone
Side-by-side comparison of clarithromycin and pioglitazone. 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
Gastroprokinetic Agents: Cisapride Contraindicated Cisapride: [See Contraindications ( 4.2 )] Lipid-lowering agents: Lomitapide Lovastatin Simvastatin Contraindicated Lomitapide, Lovastatin, Simvastatin: Clarithromycin may increase the exposure of these drugs by inhibition of CYP3A metabolism, thereby increasing the risk of toxicities from these drugs [see Contraindications ( 4.5 ) and Warnings and Precautions ( 5.4 )] Atorvastatin, Pravastatin, Fluvastatin: [See Warnings and Precautions ( 5.4 )] Atorvastatin Pravastatin Use With Caution Fluvastatin No Dose Adjustment Hypoglycemic Agents:...
Recommendation: Watch your blood sugar levels carefully and consult your doctor for any needed dose adjustments.
Biaxin
Actos
Clarithromycin is an antibiotic that fights bacterial infections. It belongs to a class of drugs called macrolides.
Pioglitazone (Actos) is a medicine that helps control blood sugar levels in adults with type 2 diabetes. It works along with diet and exercise.
Clarithromycin treats mild to moderate infections caused by certain bacteria. It can treat bronchitis, sinus infections, pneumonia, and throat/tonsil infections. It also treats skin infections, ear infections in children, certain mycobacterial infections, and H. pylori infections that cause ulcers.
Pioglitazone is used to help manage blood sugar in adults who have type 2 diabetes. It is used in addition to diet and exercise. This medicine will not work for type 1 diabetes or diabetic ketoacidosis.
Clarithromycin works by stopping the growth of bacteria. It prevents bacteria from making proteins they need to survive. This helps your body fight off the infection.
Pioglitazone belongs to a class of drugs called thiazolidinediones. It makes your body more sensitive to insulin, which helps lower blood sugar. It works by activating a certain receptor in your body called PPAR gamma.
- • Abdominal pain
- • Diarrhea
- • Nausea
- • Vomiting
- • Taste changes
- • Upper respiratory infection
- • Headache
- • Sinus infection
- • Muscle pain
- • Sore throat
- Drug Interaction 2,906
- Nausea 2,214
- Dyspnoea 1,959
- Diarrhoea 1,937
- Malaise 1,650
- Cancer of the bladder 8,736
- Increased blood sugar 3,385
- Feeling sick to your stomach 2,917
- Weight loss 2,084
- Loose or watery stools 1,680
Clarithromycin can cause severe allergic reactions. Stop taking it and get medical help right away if you have signs of a reaction. This medicine can also cause heart rhythm problems (QT prolongation) and liver problems. Tell your doctor if you have heart or liver issues. Clarithromycin may increase the risk of death in patients with coronary artery disease.
Pioglitazone can cause or worsen heart failure in some people. Watch for signs like rapid weight gain, shortness of breath, and swelling. If you have heart failure, it should be managed, and stopping or lowering the dose of pioglitazone should be considered. If you have severe heart failure (NYHA Class III or IV), you should not start taking pioglitazone.
Clarithromycin is not recommended during pregnancy unless there are no other options. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if clarithromycin passes into breast milk, so talk to your doctor before breastfeeding.
It is not known if pioglitazone can harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if pioglitazone passes into breast milk, so talk to your doctor about breastfeeding while taking this medicine.
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How to Read This clarithromycin vs pioglitazone Comparison
clarithromycin is classified in the Macrolide Antibiotic drug class, while pioglitazone sits within the Thiazolidinedione 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, clarithromycin has 10,666 submissions while pioglitazone has 18,802. 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 clarithromycin can interfere with how your body handles certain diabetes drugs, which may increase the risk of your blood sugar falling too low.. 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 clarithromycin and pioglitazone - 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.