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Yasmin

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Yasmin (drospirenone, ethinyl estradiol) is a combined oral contraceptive pill used to prevent pregnancy. By regulating hormone levels, it prevents ovulation while also helping to manage symptoms like heavy periods and skin issues in adult women.


Availability
In Stock
Delivery Time
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Drospirenone, Ethinyl Estradiol
Reference Brand
Yasmin
Manufacturer
Bayer
Product Form
Tablet
Regulatory Classification
Rx
Primary Category
Contraception
Product Category
Genito-urinary System, Sex Hormones, Combined Oral Contraceptives
Pharmacological Class
Progestogen and Estrogen Combination
Manufacturer Description
A combined oral contraceptive pill used to prevent pregnancy and help manage hormonal symptoms.
Mechanism of Action
It prevents pregnancy primarily by stopping the release of an egg from the ovaries (ovulation). It also thickens the cervical mucus to block sperm and thins the lining of the womb to prevent implantation.
Route of Administration
Oral
Onset Time
Immediate if started on day 1 of cycle
Duration
24 hours
Contraindications
History of blood clots (DVT/PE), Breast cancer, Smoking (over 35 years old), Migraine with aura
Severe Adverse Events
Deep vein thrombosis, Pulmonary embolism, Gallbladder disease, Liver tumours
Common Side Effects
Nausea, Breast tenderness, Spotting between periods
Uncommon Side Effects
Weight change, Mood swings, Headache
Drug Interactions
Rifampicin, Epilepsy medications, St John's Wort
Pregnancy Safety Warnings
Not used during pregnancy. Not recommended during breastfeeding until 6 months postpartum.
Age Restrictions
For females of reproductive age.
Storage Guidelines
Store below 25°C in the original pack.
Related Products
Lucette, Eloine, Rigevidon

Yasmin FAQ

Can I take Yasmin if I travel internationally?

Yasmin can be taken while travelling, but it is advisable to carry the medication in its original packaging, along with a copy of the prescription, to facilitate security checks. Keep the tablets in a temperature-controlled environment; avoid extreme heat.

Does Yasmax interact with over-the-counter pain relievers?

Non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen do not diminish contraceptive efficacy, but combined use may increase the risk of gastrointestinal bleeding. Use the lowest effective NSAID dose and consider a proton-pump inhibitor if prolonged use is required.

What should I do if I vomit within two hours of taking a Yasmin pill?

If vomiting occurs within two hours of ingestion, repeat the missed dose as soon as possible and discard the remaining tablets from that day. Use a barrier method (e.g., condom) for the next 24 hours.

Are there any dietary supplements that affect Yasmin’s effectiveness?

St John’s wort, a herbal supplement used for mood, can induce CYP3A4 enzymes and lower estrogen levels, potentially reducing contraceptive protection. Discuss all supplement use with a pharmacist or prescriber.

Can Yasmin be used to treat severe acne?

Yasmin is approved in the UK for moderate acne that has not responded to topical therapy. The anti-androgenic activity of drospirenone helps reduce sebum production, improving skin appearance over several months.

How does smoking influence the safety of Yasmin?

Smoking, especially > 15 cigarettes per day in women aged ≥ 35 years, significantly raises the risk of VTE and arterial thrombotic events when combined with estrogen-containing contraceptives. Smoking cessation is strongly recommended.

Is it safe to use Yasmin while breastfeeding?

Yasmin is not recommended during breastfeeding because estrogen can reduce milk production and expose the infant to low levels of hormones. Progestogen-only methods or non-hormonal options are preferred.

What is the difference between Yasmin and other combined pills?

Yasmin’s distinctive feature is the inclusion of drospirenone, which possesses anti-mineralocorticoid activity, potentially reducing water retention compared with older progestogens. However, overall efficacy and safety profiles are comparable to other COCs when used correctly.

Can I switch from a different combined pill to Yasmin without a wash-out period?

When moving from one COC to another, it is generally safe to start Yasmin the day after finishing the last active tablet of the previous pack, provided the previous regimen was taken correctly. A brief gap may be advised if the prior pill contained a higher estrogen dose.

How long does it take for my menstrual cycle to become regular after starting Yasmin?

Most women experience a regular withdrawal bleed after the first cycle. Minor spotting may persist for 2-3 months as the endometrium stabilises. If irregular bleeding continues beyond six months, a medical review is warranted.

What is Yasmin?

Yasmin is a combined oral contraceptive (COC) that contains the synthetic progestogen drospirenone (3 mg) and the estrogen ethinyl estradiol (0.03 mg) in a single pill. It is marketed in the United Kingdom under the brand name Yasmin and is prescribed by healthcare professionals for the prevention of pregnancy and for certain menstrual-related indications. The product is a prescription-only medicine (POM) regulated by the Medicines and Healthcare products Regulatory Agency (MHRA).

How Yasmin Works in the Body

Yasmin belongs to the class of combined hormonal contraceptives. The two active ingredients act together to prevent ovulation:

  • Drospirenone mimics the natural hormone progesterone and binds to progesterone receptors. This suppresses the luteinising hormone (LH) surge that would normally trigger ovulation.
  • Ethinyl estradiol provides a steady estrogenic stimulus, stabilising the endometrial lining and enhancing the negative feedback on the hypothalamic-pituitary axis.

Together, the hormones maintain consistent plasma levels that:

  • Inhibit the release of follicle-stimulating hormone (FSH) and LH, preventing the development of a dominant follicle.
  • Thickening of cervical mucus, making it hostile to sperm penetration.
  • Altering the uterine lining so that implantation of a fertilised egg is unlikely.

Onset of contraceptive effect occurs after the first active pill if taken correctly; a backup method is advised during the first seven days of a new pack.

Conditions Treated by Yasmin

Yasmin is approved in the UK for:

  • Primary prevention of pregnancy in women of reproductive age.
  • Management of moderate acne that is resistant to conventional therapy (as a secondary indication for the drospirenone/ethinyl estradiol combination).
  • Regulation of menstrual cycles, including reduction of dysmenorrhoea and menstrual-related mood swings.

These indications are supported by MHRA-approved product information and clinical guidelines for combined oral contraceptives.

Who Should (Not) Use Yasmin?

Absolute Contraindications

  • Known hypersensitivity to drospirenone, ethinyl estradiol, or any excipients.
  • Current pregnancy or suspicion of pregnancy.
  • History of or active deep-vein thrombosis, pulmonary embolism, or arterial thrombosis (e.g., stroke, myocardial infarction).
  • Uncontrolled hypertension (systolic ≥ 160 mmHg or diastolic ≥ 100 mmHg).
  • Known or suspected estrogen-dependent neoplasia (e.g., breast cancer, endometrial cancer).
  • Severe liver disease (e.g., cirrhosis, hepatic adenoma).

Relative Contraindications

  • Smoking ≥ 15 cigarettes per day and age ≥ 35 years (increased VTE risk).
  • Migraine with aura.
  • Diabetes with vascular complications.
  • Gallbladder disease.
  • Renal impairment requiring dose adjustment of concomitant medicines.

Special Populations

  • Pregnancy & lactation: Yasmin must not be used during pregnancy or while breastfeeding. An alternative non-hormonal method should be considered.
  • Adolescents: COCs can be prescribed after thorough counselling on adherence and risk factors.
  • Elderly: Generally not prescribed due to higher baseline cardiovascular risk.
  • Women with a history of mood disorders: Drospirenone may have a mild anti-androgenic effect, but careful monitoring is advised.

When in doubt, clinicians assess individual risk factors before initiating therapy.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Nausea or mild gastrointestinal discomfort (usually transient).
  • Breast tenderness or enlargement.
  • Headache, especially during the first cycles.
  • Spotting or breakthrough bleeding, often improving after 2-3 months.
  • Weight fluctuation or fluid retention (drospirenone has a mild anti-aldosterone effect).

Serious Adverse Events

  • Venous thromboembolism (VTE) - signs include leg pain, swelling, shortness of breath.
  • Arterial thrombosis - may present as chest pain, neurological deficits.
  • Hypertensive crisis - severe headache, visual changes, epistaxis.
  • Liver dysfunction - jaundice, dark urine, elevated liver enzymes.
  • Allergic reactions - rash, angioedema, anaphylaxis.

Any of the above require immediate medical attention.

Drug Interactions

  • Enzyme inducers (e.g., rifampicin, carbamazepine, phenytoin, St John’s wort) can reduce plasma concentrations of both drospirenone and ethinyl estradiol, potentially compromising contraceptive efficacy.
  • Antifungal agents (e.g., ketoconazole, itraconazole) may increase estrogen levels, raising the risk of estrogen-related side effects.
  • Selective serotonin reuptake inhibitors (SSRIs) can increase the risk of bleeding when combined with NSAIDs.
  • Lithium may have altered renal clearance when taken with drospirenone; monitoring of lithium levels is advised.

Food and Lifestyle Interactions

  • No specific dietary restrictions, but excessive alcohol may exacerbate liver strain.
  • Grapefruit juice can modestly inhibit CYP3A4, potentially increasing estrogen exposure.
  • COCs do not impair the ability to drive or operate machinery.
  • Smoking should be avoided, especially in women over 35 years, due to heightened thrombotic risk.

Patients should disclose all prescription, over-the-counter, herbal, and dietary supplements before starting Yasmin.

How to Take Yasmin

  • Standard regimen: One active pill daily for 21 days, followed by a 7-day pill-free interval during which withdrawal bleeding occurs. The pack contains 21 active tablets (3/0.03 mg) and 7 inert tablets.
  • Timing: Take the pill at the same time each day, preferably with or without food (food does not affect absorption).
  • Missed dose: If a pill is missed by less than 12 hours, take it as soon as remembered and continue with the next pill at the usual time. If missed by more than 12 hours, take the missed pill as soon as possible, discard any other missed pills, and use a backup method (e.g., condom) for the next 7 days.
  • Special populations: No routine dose adjustment is required for renal or hepatic impairment, but clinicians may monitor for drug-specific side effects.
  • Overdose: Symptoms may include nausea, vomiting, abdominal pain, and uterine bleeding. Seek emergency medical care; treatment is supportive.

Never double a dose without professional guidance.

Monitoring and Follow-Up

  • Initial visit: Baseline blood pressure, medical history, and screening for contraindications.
  • Follow-up at 3 months: Blood pressure check, assessment of side-effects, and verification of adherence.
  • Annual review: Re-evaluation of cardiovascular risk factors, liver function (if clinically indicated), and discussion of any new medications.
  • Self-monitoring: Women should be instructed to seek medical advice if they experience signs of VTE, severe headache, visual disturbances, or persistent abnormal bleeding.

Storage and Handling

  • Store Yasmin tablets at room temperature (15-30 °C) away from moisture and direct sunlight.
  • Keep the pack in its original container to protect from light.
  • Do not use tablets after the expiry date printed on the packaging.
  • Dispose of unused tablets in accordance with local pharmacy waste guidelines; do not flush them down the toilet.

Medication-Specific Glossary

Drospirenone
A synthetic progestogen with anti-mineralocorticoid and anti-androgenic properties, used in combined oral contraceptives to prevent ovulation.
Ethinyl Estradiol
A synthetic estrogen that stabilises the endometrial lining and suppresses follicular development when combined with a progestogen.
Combined Oral Contraceptive (COC)
A pill that contains both an estrogen and a progestogen, providing multiple mechanisms to prevent pregnancy.
Venous Thromboembolism (VTE)
Formation of a blood clot in a vein, which can travel to the lungs (pulmonary embolism) and become life-threatening.
CYP3A4
A liver enzyme that metabolises many drugs, including the estrogen component of COCs; inducers or inhibitors of CYP3A4 can alter contraceptive effectiveness.

Medical Disclaimer

This article provides educational information about Yasmin and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Information for Yasmin is sourced from established medical standards and updated frequently. It is provided for general guidance and should be confirmed with a healthcare professional before use.
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