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Generic Name: Ethinyl estradiol and ethynodiol diacetate [ETH-in-ill-ESS-tra-DYE-ol-and-ETH-in-o-DYE-ol-dye-AS-e-tate] .

Brand Names: Kelnor 1/35, Zovia 1/35, Zovia 1/50.
Drug Class: Contraceptives.

What is Kelnor?

Kelnor is a birth control medication that contains feminine hormones that prevent the ovulation process (the release of eggs from the ovary). Kelnor is also a cause of changes in the cervical mucus and the lining of your uterus, making it more difficult for sperm to get into the uterus and for fertilized eggs to get attached in the uterus. Kelnor is a medication used to prevent pregnancy. Kelnor can also be employed for other purposes that are not covered in this guideline.

Side effects of Birth control pills 

See a doctor immediately. If you are experiencing symptoms that indicate an allergic reaction, such as hives, difficulty breathing, and swelling of your lips, face, or tongue, Birth control pills could result in serious adverse effects. Take birth control pills off your list and consult your physician immediately if you suffer from:

  • Symptoms of a stroke—sudden weakness or numbness (especially in one part of your body) and sudden extreme headaches or slurred speech; difficulties with balance or vision.
  • Indications of a blood clot: sudden vision loss, stabbing chest pain, feeling tired or coughing up blood, discomfort or warmth either in the legs or one
  • Heart attack symptoms include chest pressure or pain, expanding to your shoulder or jaw, nausea, and sweating.
  • Liver problems: decreased appetite; stomach pain; fatigue; fever; black stools; dark urine; jaundice (yellowing of the eyes or skin).
  • Increased blood pressure; severe headache; blurred vision; pounding inside your neck or ear.
  • Swelling in your ankles, hands, or feet.
  • Variations in the pattern or intensity of migraines.
  • An unidentified lump on the breast.
  • Signs of symptoms of depression—sleep issues, weakness, tiredness, mood swings.

Common adverse effects of Kelnor could include:

  • Vomiting and nausea (especially at the beginning of your first dose of this medication).
  • Tenderness of the breasts.
  • Breaking bleeding.
  • Acne and darkening of the facial skin.
  • Weight gain weight gain.
  • Contact lens problems.

This isn't a complete list of all the side effects. Other side effects could occur. Contact your physician to seek medical advice on the effects. You may report any adverse reactions to the FDA at 1-800-FDA-1088.


Do not take birth control pills if you're pregnant or if you've recently had a child. It is not recommended to make use of birth control pills if you suffer from high blood pressure that is not controlled, coronary arterial disease, circulatory problems (especially associated with diabetes) or vaginal bleeding that is not diagnosed, liver disease or cancer, or severe migraine headaches in the event that you also take certain hepatitis C medications, when you are scheduled for major surgery, if you smoke, are older than 35, or have suffered a heart attack, stroke, blood clot, or jaundice that was due to birth control pills, pregnancy, or breast cancer vaginal The use of contraceptive pills may increase your chances of developing blood clots, strokes, or heart attacks. Smoking is a major contributor to the risk of stroke, blood clots, and heart attacks. You should not use birth control medications if you smoke and are older than 35.

Before you take this drug

Birth control pills may increase the risk of stroke, blood clots, and heart attacks. You're more at risk if you suffer from diabetes, high blood pressure, high cholesterol, or are obese. The risk of having a stroke or blood clot is highest when you are in your first year of using the birth control pill. Your risk of developing a blood clot is also higher when you start taking your birth control medication after not taking it for four weeks or more. Smoking cigarettes can significantly increase the risk of stroke, blood clots, or heart attacks. Your risk increases as you age, in addition to the amount you smoke. It is not recommended to use birth control pills in combination if you smoke and are older than 35.

Do not use it if expecting Stop taking Kelnor and inform your doctor if you are pregnant or if you skip two menstrual cycles in a row. If you've had an infant, you should wait at least four weeks before you start taking birth medication to prevent pregnancy. It is not recommended to take birth control pills when you suffer from:

  • Untreated or not controlled high blood pressure that is not treated or controlled.
  • The heart (coronary arterial disease, a heart valve that is not controlled, a history of stroke, a heart attack, or a blood clot).
  • An increased risk of developing blood clots as a result of an illness in the heart or hereditary blood disorder.
  • Circulatory problems (especially those due to diabetes).
  • A history of cancer related to hormones, such as breast cancer, vaginal cancer, or uterine/cervical cancer.
  • Abnormal vaginal bleeding that isn't being examined by the doctor.
  • Cancer of the liver.
  • Extremely severe headaches due to migraine (with the appearance of numbness, aura, weakening of vision, or other changes), particularly when you are over 35 years old.
  • An occurrence of jaundice that was caused by birth control pills.
  • If you smoke and are older than 35.
  • If you take any hepatitis C medication containing ombitasvir, paritaprevir, or ritonavir (Technivie).

To ensure that your birth control pills are suitable for you, ask your doctor if you have ever taken:

  • Heart disease, high blood pressure, or if you're prone to blood clots.
  • Varicose veins.
  • Triglycerides or high cholesterol, or if you're obese.
  • Depression.
  • Migraine headaches.
  • Diabetes and gallbladder disease.
  • Seizures or epilepsy.
  • Kidney disease.
  • Irregular menstrual cycles that are irregular.
  • Tuberculosis.
  • Fibrocystic cancer of the breast: lumps, nodules, lumps, or abnormal mammograms.

The hormones contained in birth control pills could get into breast milk and harm nursing babies. The medication can also reduce the production of breast milk. Don't use it if you are breastfeeding a child.

How to take pregnancy pills?

Follow the directions on the label of your prescription. Do not take this medication in smaller or larger doses or for longer than prescribed.

You'll take your first dose on the day you begin your menstrual cycle or on the first Sunday following the start of your period. It is possible to require additional birth control options, such as condoms or fertilizer, before you begin using this medication. Follow the instructions of your physician. You should take one pill a day for at least 24 hours. When the pills have run out, start a fresh pack the next day. You could become pregnant if you don't take one pill a day. Make sure you refill your prescription before you run out of pills completely. Certain birth control pills include "reminder" pills to keep you on the same cycle. Your period usually begins after you take these pills for reminders. There is a possibility of breakthrough bleeding, particularly in the first three months. Consult your physician if this bleeding persists or is extremely large. Make sure you have a backup birth control pill if you're sick and vomiting a lot or have diarrhea. If you require major surgery or are being placed on bed rest for long periods of time, you may need to discontinue using this medicine for a short period of time. Any surgeon or doctor who treats you should be aware that you're taking contraceptives for birth. When you are taking birth control medication to control your birth, you will have to visit your physician frequently. Place this medication in a safe place in a room at a temperature that is free of heat and humidity.

What happens if i miss a dose?

Follow the instructions for patients provided by your doctor. Talk to your pharmacist or doctor for clarification if you are unsure of the instructions. The absence of medication increases the risk of getting pregnant. If you do not take the active dose, you should take two pills during the day if you can remember. Then, take one pill each day for the remainder of the package. If you do not take the two pills that are active in weeks 1 and 2, you can take two pills daily for two days. Take one pill a day throughout the remainder of the group. You should use backup birth control for up to 7 consecutive days after the missing pills.If you fail to take two active pills consecutively within Week 3, toss away the remainder of the pack and begin a new pack on the same day, in case you are a day 1 starter. If you're the Sunday starter, continue taking a pill each day through Sunday. On Sunday, toss away the remainder of the pack and begin a fresh one for the day.

If you do not take three active pills in a row during the weeks of 1, 3, or 3, discard the remainder of your pack and start a fresh pack the following day if you're an active day 1 starter. If you're the Sunday starter, continue taking a dose throughout the day up to Sunday. On Sunday, toss out the remainder of your pack and begin a new one the following day. If you skip at least two pills in a row, then you might not experience a period for the rest of the month. If you don't have two consecutive months, contact your doctor, as there is a possibility that you are pregnant. If you do not remember to take a reminder pill, throw it out and continue to take one pill a day until the pill bottle is full.

What happens if I overdose?

For medical emergencies, seek emergency attention or contact the Poison Help line at 1-800-222-1222. The symptoms of an overdose can include vomiting, nausea, and vaginal bleeding.

What should be avoided?

Don't smoke when using birth control medications, especially if you are over 35 years old. Birth control pills won't help you fight sexually transmitted illnesses, including HIV or AIDS. Utilizing a condom is the only way to safeguard yourself from the aforementioned diseases.

Interaction with  other drugs

Other drugs can interfere with birth control pills, such as prescription and over-the-counter medicines, vitamins, and herbal products. Certain medications can cause birth control pills to become less efficient, which could cause pregnancy. Discuss with your physician your current medications and any medications you begin or stop taking.