What is Previfem? Uses, warnings & side effects

How to take Previfem

• Your doctor will tell you how much medicine to use. Do not use more than directed.

• Each brand of birth control pills has specific directions. Read and follow the patient instructions for your prescribed brand. Talk to your doctor or pharmacist if you have any questions.

• Ask your doctor if you should use a second form of birth control for the first 7 days of your first cycle of pills.

• Take your pill at the same time every day. Birth control pills work best when there is no more than 24 hours between doses. Keep the pills in the original container. Take the pills in the order that they appear in the container.

• Follow the instructions in the patient leaflet or call your doctor if you vomit or have diarrhea within 3 to 4 hours of taking this medicine.

• Missed dose: Read and carefully follow the patient instructions if you miss a dose. You may need to use a second form of birth control for 1 week. You could have light bleeding or spotting any time you do not take a pill on time. The more pills you miss, the more likely you are to have bleeding.

• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the medicine in its original package.

• Take your pill at the same time every day. Birth control pills work best when there is no more than 24 hours between doses. Keep the pills in the original container. Take the pills in the order that they appear in the container.

• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the medicine in its original package.

• Your doctor will tell you how much medicine to use. Do not use more than directed.

• Each brand of birth control pills has specific directions. Read and follow the patient instructions for your prescribed brand. Talk to your doctor or pharmacist if you have any questions.

• Follow the instructions in the patient leaflet or call your doctor if you vomit or have diarrhea within 3 to 4 hours of taking this medicine.

• Missed dose: Read and carefully follow the patient instructions if you miss a dose. You may need to use a second form of birth control for 1 week. You could have light bleeding or spotting any time you do not take a pill on time. The more pills you miss, the more likely you are to have bleeding.

• Ask your doctor if you should use a second form of birth control for the first 7 days of your first cycle of pills.

What to do if you miss a dose of Previfem

Previfem contraindications - Who shouldn't take Previfem?

• This medicine is not right for everyone. Do not use it if you had an allergic reaction to ethinyl estradiol or norgestimate, or if you are pregnant or have unusual vaginal bleeding that has not been checked by your doctor. Do not use it if you have liver disease or liver cancer, breast cancer, or blood clotting problems. Do not use it if you have high blood pressure, certain heart problems, or diabetes with kidney, eye, nerve, or blood vessel damage.

Previfem warnings

• Tell your doctor right away if you think you have become pregnant. If you miss 2 monthly periods in a row, call your doctor for a pregnancy test before you take any more pills.

• Tell your doctor if you are breastfeeding, or if you had given birth within 4 weeks before you start using this medicine. Tell your doctor if you have cervical cancer, diabetes, epilepsy, gallbladder disease, migraine headaches, heart or blood vessel disease, high cholesterol, a history of chloasma gravidarum (skin discoloration of the face during pregnancy), or depression, or a family history of breast cancer. Tell your doctor if you smoke or if you are having a surgery that requires inactivity for a long time.

• This medicine may cause the following problems:Increased risk of heart attack, stroke, or blood clotsLiver problems (including cancer or tumors)High blood pressureGallbladder diseaseHigh cholesterol or fats in the bloodPossible increased risk of breast or cervical cancer

• This medicine will not protect you from HIV/AIDS or other sexually transmitted diseases.

• You might have spotting or irregular bleeding when you first start using this medicine. You might have unplanned bleeding if you miss a dose or are late taking it. However, if you have heavy bleeding, call your doctor.

• If you miss two periods in a row, call your doctor for a pregnancy test before you take any more pills.

• Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

• Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.

• Keep all medicine out of the reach of children. Never share your medicine with anyone.

• Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

Previfem interactions & what to avoid when taking Previfem

• You may need to stop using this medicine for a few weeks before and after you have surgery because of the risk of blood clots.

• This medicine will not protect you from HIV/AIDS or other sexually transmitted diseases.

• Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

• Keep all medicine out of the reach of children. Never share your medicine with anyone.

• Do not use this medicine together with medicine to treat hepatitis C virus infection, including ombitasvir/paritaprevir/ritonavir, with or without dasabuvir.

• Some foods and medicines can affect how birth control pills work. Tell your doctor if you are also using the following: Acetaminophen, aprepitant, ascorbic acid, aspirin, atorvastatin, bosentan, clofibrate, colesevelam, cyclosporine, morphine, prednisolone, rosuvastatin, St John's wort, temazepam, theophylline, tizanidineMedicine to treat an infection (including griseofulvin, fluconazole, itraconazole, ketoconazole, rifabutin, rifampicin, voriconazoleMedicine to treat HIV/AIDS (including amprenavir/ritonavir, atazanavir/ritonavir, boceprevir, darunavir/ritonavir, etravirine, fosamprenavir/ritonavir, indinavir, lopinavir/ritonavir, nelfinavir, nevirapine, ritonavir, telaprevir, tipranavir/ritonavir)Medicine to treat seizures (including carbamazepine, felbamate, lamotrigine, oxcarbazepine, phenytoin, rufinamide, topiramate)Thyroid replacement medicine

• Do not eat grapefruit or drink grapefruit juice while you are using this medicine.

• You might have spotting or irregular bleeding when you first start to use this medicine. You might have unplanned bleeding if you miss a dose or are late taking it. Call your doctor if you think there is a problem, such as if you have heavy bleeding.