Use Tarina Fe 1/20 (ethinyl estradiol, norethindrone, and ferrous fumarate) as ordered by your doctor. Read all information given to you. Follow all instructions closely. Follow how to use as you have been told by the doctor or read the package insert. Take Tarina Fe 1/20 (ethinyl estradiol, norethindrone, and ferrous fumarate) at the same time of day. Take with or without food. Take with food if it causes an upset stomach. Do not skip doses, even if you do not have sex very often. If you throw up or have diarrhea, Tarina Fe 1/20 (ethinyl estradiol, norethindrone, and ferrous fumarate) may not work as well to prevent pregnancy. Use an extra form of birth control, like condoms, until you check with your doctor. If you miss 2 periods in a row, take a pregnancy test before starting a new cycle.

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away: Feeling more or less hungry. Dizziness. Weight gain. Headache. Upset stomach or throwing up. Stomach cramps. Bloating. Enlarged breasts. Breast soreness. Hair loss. Lowered interest in sex. This medicine may cause dark patches of skin on your face. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun. Period (menstrual) changes. These include lots of bleeding, spotting, or bleeding between cycles. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

Store at room temperature. Store in a dry place. Do not store in a bathroom. Protect from light. Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets. Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Some products that may interact with this drug include: aromatase inhibitors (such as anastrozole, exemestane), ospemifene, tamoxifen, tizanidine, tranexamic acid, certain combination products used to treat chronic hepatitis C (ombitasvir/paritaprevir/ritonavir with or without dasabuvir). Some drugs may cause hormonal birth control to work less well by decreasing the amount of birth control hormones in your body. This effect can result in pregnancy. Examples include griseofulvin, modafinil, rifamycins (such as rifampin, rifabutin), St. Johns wort, drugs used to treat seizures (such as barbiturates, carbamazepine, felbamate, phenytoin, primidone, topiramate), HIV drugs (such as nelfinavir, nevirapine, ritonavir), among others. Tell your doctor when you start any new drug, and discuss if you should use additional reliable birth control. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well. This medication may interfere with certain laboratory tests (such as blood clotting factors, thyroid), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this medication.

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include severe nausea and vomiting, sudden/unusual vaginal bleeding.