Alosetron is the generic equivalent of the brand-name drug Alosetron. Licensed pharmacies, clinics, doctor's offices, and veterinary practices can source wholesale Alosetron through Premier Pharma with same-day fulfillment on in-stock SKUs.
FDA Drug Information
Indications & Usage
1 INDICATIONS AND USAGE Alosetron tablets are indicated only for women with severe diarrhea-predominant irritable bowel syndrome (IBS) who have: chronic IBS symptoms (generally lasting 6 months or longer), had anatomic or biochemical abnormalities of the gastrointestinal tract excluded, and not responded adequately to conventional therapy. Diarrhea-predominant IBS is severe if it includes diarrhea and one or more of the following: frequent and severe abdominal pain/discomfort, frequent bowel urgency or fecal incontinence, disability or restriction of daily activities due to IBS. Because of infrequent but serious gastrointestinal adverse reactions associated with alosetron tablets, the indica…
Adverse Reactions
6 ADVERSE REACTIONS The following adverse reactions are described in more detail in other sections of the label: Complications of constipation [see Boxed Warning , Warnings and Precautions ( 5.1 )] Ischemic colitis [see Boxed Warning , Warnings and Precautions ( 5.2 )] Most common adverse reactions (incidence >2% and >placebo) in clinical studies were constipation, abdominal discomfort and pain, nausea and gastrointestinal discomfort and pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, conta…
Drug Interactions
7 DRUG INTERACTIONS In vivo data suggest that alosetron is primarily metabolized by cytochrome P450 (CYP) 1A2, with minor contributions from CYP3A4 and CYP2C9. Therefore, inducers or inhibitors of these enzymes may change the clearance of alosetron. CYP1A2 inhibitors: Avoid concomitant uses because of increased exposure and half-life of alosetron. Use with fluvoxamine is contraindicated. ( 4.3 , 7.1) CYP3A4 inhibitors: Use with caution in combination due to increased exposure of alosetron. ( 7.2…
Dosage & Administration
2 DOSAGE AND ADMINISTRATION Starting dose is 0.5 mg twice a day ( 2.1 ) May increase dose to 1 mg twice a day after 4 weeks if starting dosage is well tolerated but does not adequately control IBS symptoms ( 2.1 ) Discontinue alosetron tablets in patients who have not had adequate control of IBS symptoms after 4 weeks of treatment with 1 mg twice a day. ( 2.1 ) 2.1 Adult Patients To lower the risk of constipation, alosetron tablets should be started at a dosage of 0.5 mg twice a day. Patients wh…
Patient Counseling Information
17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labelling (Medication Guide). Prescriber and Patient Responsibilities Patients should be fully counseled on and understand the risks and benefits of alosetron tablets before an initial prescription is written. The patient may be educated by the prescriber or a healthcare provider under a prescriber's direction. Prescribers must: counsel patients for whom alosetron tablets are appropriate about the benefits and risks of alosetron tablets and discuss the impact of IBS symptoms on the patient's life. review the…
Source: FDA. For professional use only. Not a substitute for prescribing information.
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