Norethindrone acetate, ethinyl estradiol



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Norethindrone acetate, ethinyl estradiol


Alyacen is a combined pill that’s made in two ways. Alyacen 1/35 has the same amount of hormones in each active pill and Alyacen 7/7/7 changes the hormone level every week.

Consult with a licensed doctor and order Alyacen online with an EveAdam subscription.

From only $10.47 months

Want to buy Alyacen online? Start an EveAdam subscription today.

EveAdam is birth control without the additives — no phone calls, appointments or long pharmacy lines. Just your contraception, delivered when you need it. And while we’ve cut out the bad stuff, we make sure your subscription is chock full of the good. That’s licensed doctors available to chat, our preferred pharmacy GoGoMeds shipping your pill straight to your door and a refill plan you can pause, change or cancel any time.

You in?

So what is Alyacen?

Alyacen is a combined birth control pill made by Glenmark Pharmaceuticals. It’s a generic version of Ortho-Novum, which is a pill that’s been discontinued. Because it’s a generic, it’s got a cheaper price but all the rigorous testing of a brand-name medication.

Combined birth control is contraception that combines two hormones, progestin and estrogen. All hormonal birth control will have progestin but some kinds, like the mini pill, don’t have any estrogen.

You’ll take Alyacen every day, at the same time. It’s very effective at preventing pregnancy.[1]

Alyacen 1/35 and Alyacen 7/7/7: what’s the difference?

It’s all in the name. Once you crack the birth control code, a lot of the weird prescription names actually make sense. For example, “Fe” always means an iron supplement in the inactive pills.

Alyacen? OK, we can’t explain that part. But “1/35” and “7/7/7” refer to the amount of hormones and the way you’ll get them.

Alyacen 1/35 has 1mg of norethindrone acetate (a progestin) and .035mg of ethinyl estradiol (an estrogen). Sometimes 1/35 pills have a 1/20 counterpart, which would have less estrogen but the same amount of progestin. With us so far?

Alyacen 7/7/7 is a triphasic pill, which means the amount of hormones in the active weeks goes through phases — three of them, in fact. For Alyacen 7/7/7, the amount of estrogen stays the same (.035mg) but the amount of progestin changes. In the first week you get .5mg, then .75mg in the second week and finally 1mg in your last week before the seven inactive pills.

So: Alyacen 1/35 has the same amount of hormones every week of active pills, and Alyacen 7/7/7 switches up the amount of progestin. Talk to the doctor during your consultation about your options and they’ll help you find a pill that works for you.

How can I get an Alyacen prescription?

By clicking that “start consultation” button up there. We make it simple: you’ll consult with a doctor, receive recommendations of pills they think are good for you and pick the one you want. A prescription gets sent to our preferred pharmacy and they then ship your birth control to your door. And repeat every 3 months or every 6 months — depending on how often you want refills.

We make it easier to get your birth control by getting rid of unnecessary stuff like phone calls and pharmacy lines while always keeping the important things: US-licensed doctors and pharmacies. And we’re always available by chat through your EveAdam account, so you can ask questions about your prescription or even start a new one.

Page reviewed by:
Dr Bruce Oran
Dr Bruce Oran
Senior Medical Adviser
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Last updated September 3, 2021


How Alyacen works

The synthetic hormones in Alyacen change how your body prepares for pregnancy every month. To put it bluntly, they shut the pregnancy party down.

How? In three ways. The big one is by blocking ovulation, which is when your body releases an egg that can then be fertilized. The second is by stopping the lining of your uterus from growing thicker. Normally, it would do this so that it’s more comfortable for the egg to embed there and grow. A thinner monthly lining is what gives you the lighter, shorter period you’ll experience with hormonal birth control. And the third way is pretty cool, too: Alyacen straight up blocks sperm from swimming to the egg by making the mucus in your cervix thicker. Combined, these three methods make it very, very unlikely you’ll become pregnant.

Is Alyacen low estrogen?

What is the generic for Alyacen?

How to buy Alyacen online

How to take Alyacen

Alyacen is a daily pill you’ll want to take at the same time every day. That means you should pick a time when you’re likely to be awake and not super busy during the entire week. (So if you wake up at the crack of dawn on weekdays but like to sleep in on weekends, 8am is not a good time! We like noon; it’s pretty safe.)

Take Alyacen with a glass of water and swallow, don’t chew. If you experience an upset stomach while taking Alyacen, try having it with a snack or small meal.

What’s the effectiveness of Alyacen?

I missed my Alyacen birth control pill

Does Alyacen stop your period?

Side effects of Alyacen birth control

The most common side effects you might experience are nausea, stomach cramps and bloating. These should go away by themselves after your body has adjusted to the hormones in Alyacen, but if you find that they persist, let our doctor know via your EveAdam account.[2] They may recommend that you try an alternative pill, and can advise you on your options. 

What side effects should I watch out for?

Does Alyacen cause weight gain?

Will Alyacen help with acne?

Is Alyacen a brand-name pill?

Alyacen is the generic version of Ortho-Novum, which is now discontinued. Generic medications work just as well as brand-name ones, and are tested just as rigorously. The main difference you’ll find (other than the packaging and the appearance of the pill) is that generics are usually cheaper. Win-win! So you can rest assured that you're not missing out on anything. 

What are the other names for Alyacen?

Is Alyacen the same as Cyclafem?


Make sure to read the package insert that comes with your medication before you take it.

More info

Alyacen warnings

You shouldn’t take Alyacen if you currently have thromboembolic disorders (anything that increases your risk of a blood clot or a recurrence of a blood clot), cerebral vascular or coronary artery disease, valvular heart disease with complications, high blood pressure, diabetes with vascular involvement, headaches with focal neurological symptoms, major surgery with prolonged immobilization, breast cancer, jaundice, pregnancy or an allergy or sensitivity to any ingredient in Alyacen.

More information about Alyacen warnings can be found in the package insert that comes with your pills.

Alyacen interactions


[1] Kost, K., Singh, S., Vaughan, B., Trussell, J. and Bankole, A. (2008). Estimates of contraceptive failure from the 2002 National Survey of Family Growth. Contraception, 77(1), pp.10–21.

[Accessed 5th July 2021]

‌[2] Brynhildsen, J. (2014). Combined hormonal contraceptives: prescribing patterns, compliance, and benefits versus risks. Therapeutic Advances in Drug Safety, 5(5), pp.201–213.

[Accessed 5th July 2021]