name | Ulipristal Acetate |
classification | Selective progesterone receptor modulator (SPRM) |
pharmacokinetics | absorption | Rapidly absorbed after oral administration, reaching peak plasma concentrations within 1-2 hours. | distribution | Distributed throughout the body, with high concentrations in the liver. | metabolism | Primarily metabolized by the liver, with some contribution from the kidneys. Follows first-pass effect. | excretion | Excreted primarily in the bile and faeces. |
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suggested dosage | emergency contraception | A single dose of 30 mg taken as soon as possible, but within 120 hours (5 days) after unprotected sex. Do not take more than one dose within 24 hours. | other uses | Ulipristal acetate is not typically prescribed for routine use, and dosages will vary depending on the specific indication. |
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indications | 1 | Emergency contraception (within 120 hours after unprotected sex) | 2 | Treatment of uterine fibroids (in certain cases, with more research needed) |
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safety in pregnancy | category x | Pregnancy Category X. Ulipristal acetate is contraindicated during pregnancy. | details | Animal studies have shown adverse effects on the developing fetus and there are no adequate and well-controlled studies in pregnant women. Ulipristal acetate should not be used during pregnancy. |
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safety in breastfeeding | details | Limited data available. It is unknown if ulipristal acetate is present in breast milk. Discontinuation of breastfeeding is advised. | recommendation | Use with caution and consider the potential benefits and risks. |
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side effects | 1 | Nausea | 2 | Vomiting | 3 | Abdominal pain | 4 | Headache | 5 | Fatigue | 6 | Dizziness | 7 | Breast tenderness | 8 | Bleeding irregularities (especially in initial treatment) | 9 | Rarely, more serious adverse effects such as hypersensitivity reactions. |
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alternatives | |
contraindications | 1 | Pregnancy | 2 | Known hypersensitivity to ulipristal acetate or any of its components. | 3 | Severe liver disease |
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interactions | 1 | Certain medications that affect liver enzymes, possibly leading to increased or decreased ulipristal acetate levels. | 2 | May interact with some hormonal medications, and certain medications for other conditions. Consult doctor before taking other medications. |
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warnings and precautions | 1 | Not recommended for routine birth control. | 2 | Consult a physician for proper dosage and monitoring. | 3 | Not a substitute for regular contraception in preventing unintended pregnancies. | 4 | May affect menstrual cycle for a short period. | 5 | Patient should be carefully monitored for any adverse effects. |
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additional informations | 1 | Effective when used promptly after unprotected sex. The sooner it is taken, the more effective it is. | 2 | For emergency contraception use only, when other methods are not possible. | 3 | Consult with a healthcare professional for personalized medical advice and to discuss any concerns. |
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patient details | |
important note | Ulipristal acetate is primarily used in women. While the provided information is factual, it is crucial to consult with a healthcare professional for appropriate medical advice, especially for male patients. |