Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Ella (Ulipristal-emergency contraceptive). If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.

The following side effects have been reported by at least 1% of people taking Ella (Ulipristal-emergency contraceptive). Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

• Acne
• dizziness
• fatigue
• headache
• menstrual pain
• nausea
• stomach pain

Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• vomiting within 3 hours of taking the medication

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Ella (Ulipristal-emergency contraceptive).

Each white-to-off-white, round, curved tablet marked with “ella” on both sides, contains ulipristal acetate 30 mg. Nonmedicinal ingredients: lactose monohydrate, povidone K-30, croscarmellose sodium and magnesium stearate.

Do not take this medication if you:

• are allergic to ulipristal or any ingredients of the medication
• are, or may be pregnant

There may be an interaction between ulipristal and any of the following:>

• Abiraterone acetate
• Amiodarone
• Aprepitant
• “azole” antifungals (e.g., itraconazole, ketoconazole, Voriconazole)
• barbiturates (e.g., butalbital, pentobarbital, Phenobarbital)
• Bicalutamide
• boceprevir
• Bosentan
• calcium channel blockers (e.g., Amlodipine, Diltiazem, Nifedipine, Verapamil)
• Carbamazepine
• conivaptan
• Crizotinib
• Cyclosporine
• Dabrafenib
• Deferasirox
• Dexamethasone
• Dronedarone
• Enzalutamide
• grapefruit juice
• Haloperidol
• HIV non-nucleoside reverse transcriptase inhibitors (NNRTIs; e.g., delaviridine, efavirenz, etravirine, nevirapine)
• HIV protease inhibitors (e.g., atazanavir, indinavir, ritonavir, saquinavir)
• imatinib
• Lomitapide
• macrolide antibiotics (e.g., clarithromycin, erythromycin)
• mifepristone
• Mitotane
• Metronidazole
• Modafinil
• nefazodone
• Norfloxacin
• Oxcarbazepine
• Phenytoin
• primidone
• progestins (e.g., Dienogest, Levonorgestrel, medroxyprogesterone, Norethindrone)
• rifabutin
• rifampin
• St. John's wort
• Sertraline
• siltuximab
• sitaxentan
• telaprevir
• Tetracycline
• Tocilizumab
• Topiramate

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

• stop taking one of the medications,
• change one of the medications to another,
• change how you are taking one or both of the medications, or
• leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Ella (Ulipristal-emergency contraceptive). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Ella (Ulipristal-emergency contraceptive).

Sexually transmitted infections: Ella (Ulipristal-emergency contraceptive) does not protect against sexually transmitted infections, including HIV or AIDS. For protection against these infections, latex condoms should be used.

Pregnancy: Ella (Ulipristal-emergency contraceptive) will not interrupt a pregnancy that is already established. It is not intended for use during pregnancy.

Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking ulipristal, it may affect your baby. It is recommended that breast-feeding be stopped for 1 week after taking Ella (Ulipristal-emergency contraceptive). Talk to your doctor about whether you should continue breast-feeding.

Children: Ella (Ulipristal-emergency contraceptive) is not intended to be used by girls who have not yet had their first menstrual period. The safety and effectiveness of using Ella (Ulipristal-emergency contraceptive) for women less than 18 years of age have not been established.