Misoprostol
Brand Names: Cytotec
Methodology & AI Transparency ⓘ
Misoprostol Key Takeaways
Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level
- 1 What it does: INDICATIONS & USAGE Misoprostol is indicated for reducing the risk of NSAID (nonsteroidal anti-inflammatory drugs, including aspirin)–induced gastric ulcers in patients at high risk of complications from gastric ulcer, e.g., the elderly and patients with concomitant debilitating disease, as well as patients at high risk of developing gastric ulceration, such as patients with a history of ulcer.
- 2 Real-world patient consensus: 89% patient "Worth It" rating across 6 anonymous logs for Misoprostol (RxNorm 311727).
- 3 Typical cash cost range: Dispensing cost comparison spans $14.04 mail/discount cash up to $36.04 uninsured retail (federal NADAC $0.4243).
- 4 Top reported side effects / signs: Key post-marketing and trial adverse reactions (Misoprostol): diarrhea (7.5%), abdominal discomfort (6.6%), nausea (7.5%).
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Misoprostol Mechanism, CYP450 Pathways & DailyMed Monograph
INDICATIONS & USAGE Misoprostol is indicated for reducing the risk of NSAID (nonsteroidal anti-inflammatory drugs, including aspirin)–induced gastric ulcers in patients at high risk of complications from gastric ulcer, e.g., the elderly and patients with concomitant debilitating disease, as well as patients at high risk of developing gastric ulceration, such as patients with a history of ulcer. Misoprostol has not been shown to reduce the risk of duodenal ulcers in patients taking NSAIDs. Misoprostol should be taken for the duration of NSAID therapy.
CLINICAL PHARMACOLOGY Pharmacokinetics Misoprostol is extensively absorbed, and undergoes rapid de-esterification to its free acid, which is responsible for its clinical activity and, unlike the parent compound, is detectable in plasma. The alpha side chain undergoes beta oxidation and the beta side chain undergoes omega oxidation followed by reduction of the ketone to give prostaglandin F analogs. In normal volunteers, misoprostol is rapidly absorbed after oral administration with a T max of misoprostol acid of 12 ± 3 minutes and a terminal half-life of 20–40 minutes.
Systemic exposure to Misoprostol reflects Estimated 67%–79% oral systemic absorption for Misoprostol absorption kinetics and phase i/ii hepatic conjugation of misoprostol coupled with glomerular and tubular renal excretion, sustaining receptor engagement across a 20–40 minutes terminal elimination (Misoprostol SPL) half-life window (peak plasma concentration (tmax) reached 1–4 hours post-dose for misoprostol response profile).
Dosing protocols (200 ug/1 Tablet or 100 ug/1 Tablet or 100mcg Tablet or 200mcg Tablet) balance efficacy (89.00% patient satisfaction across 6 logs) against nausea (7.5% of reports), diarrhea (7.5% of reports), headache (6.6% of reports), with strict avoidance in contraindications see boxed warnings .; misoprostol should not be taken by pregnant women to reduce the risk of ulcers induced by nonsteroidal anti-inflammatory drugs (nsaids).; misoprostol should not be taken by anyone with a history of allergy to prostaglandins..
Pairing Misoprostol with chronic NSAIDs can blunt renal prostaglandin perfusion or irritate gastric mucosa.
Avoid overlapping prostaglandin e1 analog prescriptions alongside Misoprostol to prevent cumulative receptor toxicity.
Standard Adult Titration & Dosages
Absolute & Relative Contraindications
- CONTRAINDICATIONS See boxed WARNINGS .
- Misoprostol should not be taken by pregnant women to reduce the risk of ulcers induced by nonsteroidal anti-inflammatory drugs (NSAIDs).
- Misoprostol should not be taken by anyone with a history of allergy to prostaglandins.
Logged Side-Effect Incidence (6 Reports)
Misoprostol Real-World Side Effects: openFDA FAERS vs. Patient Micro-Logs
Peer-Reviewed Human Clinical Trials & Meta-Analyses (Misoprostol)
| Study & Plain-English Finding | Sample (N) | Rigor | Primary Source |
|---|---|---|---|
| Can This Approach Help? Inside the Latest Research on Misoprostol as Oral Solution or Oral Tablet for Induction of Labour (MISOBEST): A Off-label oral solution of misoprostol was non-inferior to the licensed oral tablet regarding efficacy of IOL defined as vaginal delivery within 24 h. BJOG : an international journal of obstetrics and gynaecology • 2025-02-15 • Phase III Randomized Trial | Multi-cohort | 82/100 | PMID 39440409 ↗ |
| Can This Approach Help? Inside the Latest Research on Misoprostol with and without methylergometrine and oxytocin in outpatient medical The effectiveness of the drugs in the two drug groups combined with oxytocin and methylergometrine is higher than the misoprostol group alone. BMC research notes • 2023-10-05 • Phase III Randomized Trial | Multi-cohort | 82/100 | PMID 37798748 ↗ |
Misoprostol Public Price Transparency Ledger
| Dispensing Channel / Benchmark | Verification Source | Reference Cost | Details |
|---|---|---|---|
| Pharmacy Acquisition Cost (CMS NADAC) | CMS Medicaid NADAC Weekly National Survey | $0.4243/unit (~$12.73/30u) | Wholesale baseline |
| Mark Cuban Cost Plus Drugs (Mail-Order Generic) | Public Wholesale Price List (NADAC + 15% + pharmacy fee) | $14.04 / mo | Formulary listing ↗ |
| Average U.S. Walk-In Retail Cash Price | Chain Pharmacy Uninsured Cash Index | $36.04 / mo | Before coupon/insurance |
| Patient-Logged Out-of-Pocket Average | 6 Anonymous DotMD Community Micro-Logs | $16.15 / mo | View logs ↓ |
Misoprostol Federal Verification & Benchmark Summary
| Metric | Verified Benchmark | Source |
|---|---|---|
| Misoprostol RxNorm Concept ID | 311727 | U.S. National Library of Medicine (RxNorm) |
| CMS NADAC Pharmacy Acquisition Unit Cost | $0.4243 / unit | CMS Medicaid NADAC Weekly Feed |
| Walk-In Chain Pharmacy Cash Average | $36.04 / mo | U.S. Uninsured Retail Cash Index |
| Public Mail-Order Wholesale Benchmark | $14.04 / mo (Cost Plus Drugs) | Mark Cuban Cost Plus Public API |
| Real-World Patient Consensus | 89.00% Worth It (6 anonymous logs) | DotMD Zero-PHI Patient Ledger |
Misoprostol Patient Community, Cohort Filters & Dosage Logs
Deterministic Misoprostol reference combining NIH RxNorm (311727), Medicaid NADAC ($0.4243/unit), and anonymous cohort outcomes (89% Worth It).
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Filter Misoprostol community threads and patient logs by age, biological sex, dosage, and treatment duration.