Kelnor 1/35 Birth Control Pills

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Equivalent Generic Brands: Zovia 1/35 Demulen

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What is Kelnor 1/35 Birth Control Pills?

Kelnor 1/35 is a combination oral contraceptive pill (OCP, birth control medication, birth control pills). It works to prevent pregnancy by stopping the release of an egg (ovulation), and thickening the cervical mucus, blocking sperm from getting into the uterus and ultimately to the egg. Kelnor 1/35 is also prescribed to treat acne, reduce the risk of ovarian cysts such as polycystic ovarian syndrome (PCOS), treat painful or heavy periods, and more. Read More

How to Use Kelnor 1/35

Simply take one pill every day, at the same time each day. Most women find that taking Kelnor 1/35 before bedtime or with your largest meal of the day helps reduce nausea and other side effects. It is recommended to take your first active pill the first Sunday after your period begins.

After taking 21 days of active pills, you’ll switch to 7 inactive pills. These are reminder pills with no hormones that exist to keep you in the habit of taking your pill every day. These 7 tablets do have ferrous fumarate to prevent anemia from the blood loss with monthly bleeds.

If you do miss one active pill , take two pills as soon as you remember. Then, continue to take one active pill for the rest of the pill pack. If you miss two active pills in a row take two pills per day for two days.

However, if you miss three active pills in a row, do not take the missed pills. Instead you should use a back up birth control method for at least 7 days. Note that you may experience some breakthrough bleeding or spotting if you miss three pills in a row.

Remember that Kelnor 1/35 and other hormonal birth control cannot be used to prevent HIV infection or other sexually transmitted diseases. In order to prevent STDs, always use condoms when having sexual intercourse.

Kelnor 1/35 Dosage

Kelnor 1/35 uses a blend of two hormones, estrogen(Ethinyl Estradiol, 1mg), and progesterone (ethynodiol diacetate 35 mcg).

Benefits of Kelnor 1/35

  • Periods get lighter. If you are usually a 7 day person, it goes down to like 5 days. If you use 5 pads/tampons a day, it goes down to 3.
  • You can use it to make #PeriodsOptional. Just skip the last week of pills and go straight into the next pack. See our CEO/Founder’s talk here.
  • Reduce the risk of ovarian cysts (as in polycystic ovarian syndrome [PCOS])
  • Can be used to improve acne

Kelnor 1/35 Side Effects

The risks are very low, but some women have experienced unwanted side effects when taking Kelnor 1/35. Minor ones include breast tenderness, headaches, nausea, swollen feet or ankles, and slightly elevated blood pressure or blood sugar levels. Women who are breast feeding should not take Kelnor 1/35 because it may slow breast milk production. Positive side effects are also a possibility, too — reduced acne, fewer mood swings, and other perks are fairly common.

The chances of serious side effects are extremely unlikely, but some cases have been documented such as blood clotting, shortness of breath, migraines, vision problems, slurred speech, confusion, and fainting. Those who wear contacts or are nearsighted may notice vision problems as well.

These may sound scary, but remember — they’re very rare.

Kelnor 1/35 Warnings

    This medication may increase your risk for blood clots, stroke, pulmonary embolism, deep venous thrombosis, and heart attacks.
    Do NOT take this medication if:

  • You currently have or have had any of these health problems: blood clots, blood clotting problem, breast cancer, uterine cancer, heart attack, stroke, heart disease, chest pain, high blood pressure, liver disease, liver tumor, migraine with aura, or diabetes with neuropathy or any diabetic complications
  • You are allergic to ethinyl estradiol
  • You are taking ombitasvir, paritaprevir, and ritonavir (with or without dasabuvir)
  • You are pregnant or may be pregnant
  • You are breastfeeding or plan to breastfeed

Why Pandia Health?

FREE with insurance, $23/Pack without for generic equivalent

FREE with insurance, $23/Pack without for generic equivalent

FREE Delivery & Goodies

FREE Delivery & Goodies

Online prescription (skip the Dr. office visit and pharmacy lines)

Online prescription (skip the Dr. office visit and pharmacy lines)

Frequently Asked Questions


There is no direct link between Kelnor 1/35 and weight gain. Some women experience changes in their appetite that may lead to weight gain while taking Kelnor 1/35. Others may find that their bodies retain more fluid while taking Kelnor 1/35, even though they actually don’t gain any body fat.


One of our Patient Care Advisors or licensed physicians will always review the medications and supplements you’re currently taking before prescribing Kelnor 1/35. Certain drugs (recreational, over-the-counter, prescription, herbal or vitamin supplements) can interact with Kelnor 1/35 and make it less effective at preventing pregnancy. Drugs that may interact with Kelnor 1/35 include HIV drugs, anti-seizure drugs, antibiotics, and even St. John’s wort.

Women who have high blood pressure or take medications to control blood pressure should not take Kelnor 1/35 . Our Pandia Health medical team recommends other options including progestin-only pill (POPs), IUDs with hormone (Mirena, Liletta, Kyleena, Skyla), copper IUDs, implants (nexplanon), the birth control shot (depo-provera), or condoms and spermicide.


You shouldn’t smoke anyway, but especially not if you take estrogen containing birth control pills like Kelnor 1/35. Smoking increases the risk of serious side effects like blood clots, especially in women who are older than 35.

Don’t take Kelnor 1/35 if you’re allergic to any of its ingredients. Signs and symptoms of an allergic reaction to Kelnor 1/35 are rare and usually very mild and may include itching, hives, or dizziness. Serious allergic reactions to Kelnor 1/35 can occur in very rare cases. Stop taking Kelnor 1/35 and call 911 immediately if you experience swelling in the lips, mouth, or tongue, or if you have a hard time breathing.

Kelnor 1/35 isn’t for everyone. Women with a history of certain medical conditions like heart disease, high blood pressure, kidney disease, liver cancer, or severe migraines should not take Kelnor 1/35. Our Pandia Health Care Advisors are standing by to help you figure out the best birth control method given your health history.


It’s easy to get It’s easy to get Kelnor 1/35 at just about any pharmacy near you with a doctor’s prescription. Concerned about your privacy? Our doctor-founded, doctor-led team at Pandia Health is happy to connect you with a licensed physician who can help you get Kelnor 1/35 or any other birth control you need, discreetly and conveniently.

If you don’t have insurance, don’t worry! Pandia Health has a range of payment options.


It’s not true that Kelnor 1/35 causes infertility. If you’re taking Kelnor 1/35 and want to have a baby, talk to your doctor and then stop taking the medication. Normal fertility should return within one or two menstrual cycles after your last pill. Dr. Yen explains more about birth control and infertility in this video. Watch to learn more!

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