{"ok":true,"entry":{"slug":"atorvastatin","kind":"medication","name":"atorvastatin","aliases":["Lipitor","Atorva"],"brands_sg":["Lipitor","Atocor","Atavor","Eturion","Atswift"],"class":"statin","tags":["heart-bp"],"use_for":"prescribed for high cholesterol — a doctor decides","use_after":"nhs: once a day, same time each day, with or without food","use_duration":null,"take_with":"water · nhs: grapefruit juice kept to 1–2 small glasses","pros":["nhs: once a day, with or without food","healthhub: may reduce heart attack and stroke risk","nhs: chewable tablets and a liquid form exist"],"cons":["nhs: headache, dizziness, nausea, muscle aches","nhs: rare liver, pancreas or muscle damage","nhs: not recommended during pregnancy"],"dose_note":"the us fda label for lipitor states 'The recommended starting dosage of LIPITOR is 10 mg to 20 mg once daily. The dosage range is 10 mg to 80 mg once daily' — 80 mg once daily is the adult label maximum; the same label caps it lower alongside some other medicines ('do not exceed LIPITOR 20 mg once daily' with clarithromycin or itraconazole). sg-registered single-ingredient tablets run 10, 20, 40 and 80 mg. in singapore the prescriber sets the dose.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["liver or kidney problems, or an underactive thyroid (nhs)","pregnancy or planning one — nhs: not recommended","a muscle condition such as myasthenia gravis (nhs)","regularly drinking a lot of alcohol (nhs)"],"clashes":[{"src":["nhs_ator_food","hh_ator_interactions"],"food":true,"note":"nhs: too much can increase the chance of side effects — no more than 1 or 2 small glasses a day","with":"grapefruit juice"},{"src":["nhs_ator_mix","fda_lipitor_dose"],"note":"nhs lists these antibiotics among medicines that may not mix well; the fda label caps atorvastatin at 20 mg daily with clarithromycin","with":"clarithromycin, erythromycin, fusidic acid"},{"src":["nhs_ator_mix","fda_lipitor_dose"],"note":"nhs lists antifungals among medicines that may not mix well; the fda label caps atorvastatin at 20 mg daily with itraconazole","with":"itraconazole, fluconazole and other antifungals"},{"src":["nhs_ator_mix"],"note":"nhs lists these among medicines that may not mix well with atorvastatin","with":"ciclosporin, warfarin, hiv and hepatitis c medicines"},{"src":["hh_ator_interactions","nhs_ator_mix"],"note":"healthhub: red yeast rice may increase the risk of side effects; nhs lists st john's wort","with":"red yeast rice, st john's wort"}],"sources":[{"id":"hsa_register","url":"https://data.gov.sg/datasets/d_767279312753558cbf19d48344577084/view","label":"HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, pulled in full via datastore_search and filtered locally)","quote":"All 58 registered atorvastatin products (41 single-ingredient) carry Forensicclassification 'Prescription Only' — SIN09552P LIPITOR TABLET 10 mg · SIN15795P ATOCOR · SIN15493P ATAVOR · SIN13298P Eturion · SIN14693P ATSWIFT","accessed":"2026-08-27"},{"id":"nhs_ator_about","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: what atorvastatin is for","quote":"Atorvastatin is a medicine used to treat high cholesterol and prevent heart attacks and strokes. It's only available with a prescription … a type of cholesterol-lowering medicine called a statin.","accessed":"2026-08-27"},{"id":"nhs_ator_howto","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: how to take atorvastatin","quote":"Atorvastatin usually comes as tablets or a liquid (oral suspension) … take it once a day – try to take it at the same time each day … take it with or without food","accessed":"2026-08-27"},{"id":"nhs_ator_side","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: side effects","quote":"Common side effects of atorvastatin include: headache; dizziness; feeling sick (nausea); digestive problems … muscle aches and swollen joints … Possible serious side effects … hepatitis … pancreatitis","accessed":"2026-08-27"},{"id":"nhs_ator_who","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: who can and cannot take it, and pregnancy","quote":"it may not be suitable if: … you have liver or kidney problems, or an underactive thyroid … a condition that affects the muscles, such as myasthenia gravis … you regularly drink a lot of alcohol","accessed":"2026-08-27"},{"id":"nhs_ator_mix","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: taking it with other medicines","quote":"antifungal medicines, such as itraconazole or fluconazole; antibiotics such as fusidic acid, erythromycin and clarithromycin; … ciclosporin … warfarin … St John's wort, a herbal supplement","accessed":"2026-08-27"},{"id":"nhs_ator_food","url":"https://www.nhs.uk/medicines/atorvastatin/","label":"NHS Medicines A-Z — Atorvastatin: food, drink and alcohol","quote":"avoid having too much grapefruit juice as it can increase the chance of side effects. Do not have more than 1 or 2 small glasses of grapefruit juice a day.","accessed":"2026-08-27"},{"id":"hh_ator_uses","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/atorvastatin","label":"HealthHub (Pharmaceutical Society of Singapore) — Atorvastatin: what is this medication for","quote":"Statins lower the amount of 'bad cholesterol' … High 'bad cholesterol' levels can cause your blood vessels to clog up … Hence, statins may reduce your risk for heart attack and stroke.","accessed":"2026-08-27"},{"id":"hh_ator_interactions","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/atorvastatin","label":"HealthHub — Atorvastatin: what food or medication should I avoid","quote":"Avoid taking grapefruit, or grapefruit juice … Avoid taking a supplement called red yeast rice as this supplement may increase the risk of side-effects.","accessed":"2026-08-27"},{"id":"fda_lipitor_dose","url":"https://api.fda.gov/drug/label.json?search=openfda.brand_name:%22LIPITOR%22&limit=1","label":"US FDA label for LIPITOR (atorvastatin calcium), section 2 Dosage and Administration, via openFDA drug/label.json (effective 2024-04-15)","quote":"The recommended starting dosage of LIPITOR is 10 mg to 20 mg once daily. The dosage range is 10 mg to 80 mg once daily … do not exceed LIPITOR 20 mg once daily [with clarithromycin or itraconazole]","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:12.75901+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}