Yaz vs Loestrin: Difference and Comparison

Yaz and Loestrin are two birth control tablets that are now available on the marketplace. Birth control tablets are one of the options available to women who do not wish to become pregnant.

These tablets were developed in the mid-twentieth century. Many women profited from contraception tablets, which stop women from producing and ovulating.

Key Takeaways

  1. Yaz and Loestrin are combination birth control pills containing estrogen and progestin to prevent pregnancy.
  2. Yaz contains drospirenone and ethinyl estradiol, while Loestrin contains norethindrone acetate and ethinyl estradiol.
  3. Yaz may be prescribed for acne treatment and PMDD (Premenstrual Dysphoric Disorder) management, whereas Loestrin is not specifically approved for these additional uses.

Yaz vs Loestrin

Yaz contains a combination of drospirenone and ethinyl estradiol. It is a low-dose birth control pill prescribed to women suffering from premenstrual dysphoric disorder (PMDD). Loestrin contains a combination of norethindrone acetate and ethinyl estradiol. It is a birth control pill.

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Yaz is a contraceptive pill with synthetic estrogen (Ethinyl estradiol) and progestin (drospirenone). Yaz can minimize the risk of conception by more than 99 percent when used regularly.

Yaz offers a variety of non-contraceptive use concerning avoiding conception. The treatment of a severe type of PMS known as premenstrual dysphoric disorder is one of the most important (PMDD).

Loestrin Fe is a pharmaceutical medication used to try to stop pregnancies. Loestrin Fe can be taken alone or in combination with other drugs.

Loestrin Fe belongs to the Estrogens/Progestins, Oral Contraceptives family of medicines. Loestrin Fe is not proven to be safe or efficacious in kids before early puberty.

Comparison Table

Parameters of ComparisonYazLoestrin
ProgestinDrospirenone is reported to help several menstruation symptoms in the early stages and  Drosperinone is present in Yaz.Loestrin, on the other hand, is a kind of progestin that includes norethindrone.
IngredientsYaz does not contain iron.Loestrin contains iron.
Side EffectsWomen who use Yaz complain of leg cramps and migraine headaches. Loestrin, on the other hand, increases women’s breast size to rise and cramps are still present in Loestrin users.
Drug ClassYaz is a variation of contraception and sex hormones.Loestrin is only contraception.
InteractionsThere are no documented alcohol/food connections.Certain drugs, such as norethindrone, may be increased in the blood by grapefruit drink.

What is Yaz?

Yaz is a prescription medication intended to prevent conception as well as treat acne and premenstrual dysphoric disorder symptoms (PMDD).

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Yaz can be taken alone or in combination with other drugs. Yaz is a medication of the Acne Agents, Systemic; Estrogens/Progestins; and Oral Contraceptives class.

It is unknown if Yaz is medically beneficial in children under the age of 14. 

This medication is used to avoid pregnancy. It mostly works by preventing egg release (ovulation) throughout your menstrual cycle.

It also thickens vaginal fluid to assist in preventing sperm from reaching an egg (fertilization) and modifies the uterine (womb) lining to inhibit the implantation of a fertilized egg. 

Yaz has been linked to a higher risk of life-threatening blood clotting, high blood pressure, gallbladder difficulties, liver tumours, as well as breast cancer.

Yaz is the most effective since it contains drospirenone, an artificial analog of the sex hormone progesterone. It aids in the treatment of acne by inhibiting the effects of testosterone, a kind of androgen. 

Yaz has been linked to weight gain in some women. According to a study of women with premenstrual dysphoric disorder (PMDD), around 2.5 percent of those using Yaz gained weight.

This adverse effect may persuade some women to switch to a different contraceptive tablet.

What is Loestrin?

This hormone combination medicine is used to prevent pregnancy. It has two hormones: progestin and estrogen.

It mostly works by preventing egg release (ovulation) throughout your menstrual cycle.

It also thickens vaginal fluid to assist in preventing sperm from reaching an egg (fertilization) and modifies the uterine (womb) lining to inhibit the attachment of a fertilized egg. 

If a fertilized egg fails to adhere to the uterus, it is expelled from the body.

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In addition to preventing conception, birth control tablets may make your periods more regular, reduce blood loss and unpleasant periods, lower your risk of ovarian cysts, and cure acne. 

This drug will not protect you or your partner from sexually transmitted infections (such as HIV, gonorrhoea, or chlamydia). You must continue to take this medicine exactly as directed by your doctor.

The quantity of estrogen and progestin in each effective pill of certain types of birth control pills varies depending on the stage of the cycle. 

Vomiting or diarrhoea might impair the effectiveness of your birth control tablets. You may need to use a backup birth control technique if you experience vomiting or diarrhoea.

If you have stomach upset or nausea while taking this medicine, taking it after your evening meal or at sleep may help. You may opt to take this medication at a different time of day that is more convenient for you.

Main Differences Between Yaz and Loestrin

  1. Drospirenone has been claimed to aid with a variety of menstrual symptoms in the early stages, and Drosperinone is found in Yaz. Loestrin, on the other hand, is progesterone that also contains norethindrone.
  2. Yaz will not include iron, but Loestrin has.
  3. Women who take Yaz report muscle cramps and migraine attacks, but Loestrin causes women’s breast size to grow, and cramps persist in Loestrin users.
  4. Yaz is a contraceptive and sex hormones combination, whereas Loestrin is solely contraception.
  5. There are no known alcohol/food links in Yaz, however, grapefruit drinks may boost blood levels of some substances, such as norethindrone.
  1. https://rucore.libraries.rutgers.edu/rutgers-lib/45128/PDF/1/
  2. https://www.fertstert.org/article/S0015-0282(07)02539-3/abstract

Last Updated : 18 June, 2023

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6 thoughts on “Yaz vs Loestrin: Difference and Comparison”

  1. This article is poorly written and must be reviewed. It lacks academic rigor. There is no scientific basis for some of the claims presented.

  2. The information is quite detailed and covers a wide range of topics. I did not know that these pills had so many additional benefits.


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