Yasmin 28 Side Effects: What to Expect and When to Call Your Doctor

Like all medications, Yasmin 28 (drospirenone 3 mg / ethinyl estradiol 0.03 mg) comes with a list of potential side effects. The good news is that most people tolerate it well, and many common side effects improve within the first 2–3 months as your body adjusts. But some side effects are serious and require immediate attention.

This guide walks through what's normal, what to watch for, and exactly when you should call your doctor.

Common Side Effects (Usually Improve in 2–3 Months)

These side effects are reported by more than 1% of users in clinical trials and typically improve as your body adjusts to the hormones:

Nausea: Very common in the first weeks. Take Yasmin 28 with food or at bedtime to reduce nausea. If it persists beyond 3 months, tell your provider.

Breakthrough bleeding or spotting: Light bleeding between periods is common in the first 3 cycles. It usually resolves on its own.

Breast tenderness: Especially common in the first 1–2 months. Usually mild and self-resolving.

Headache: Mild headaches are common. Report any severe, sudden, or unusual headaches — these can indicate a more serious problem.

Mood changes: Some patients report mood swings, irritability, or low mood. If you have a history of depression, monitor closely.

Decreased sex drive (libido): Reported by some users. Discuss with your provider if this is bothersome.

Vaginal discharge or yeast infections: Hormonal changes can alter vaginal flora; treat yeast infections with OTC antifungal if needed.

Weight changes: Minor fluctuations are possible. Because drospirenone has mild diuretic properties, some patients actually notice less bloating on Yasmin than on other pills.

The Drospirenone-Specific Warning: Potassium (Hyperkalemia)

Drospirenone is a spironolactone analogue and can increase potassium levels (hyperkalemia). This is usually not a concern for healthy patients, but it is a real risk if you:

Have kidney, liver, or adrenal disease

Take potassium-sparing diuretics (like spironolactone or eplerenone)

Take ACE inhibitors or angiotensin receptor blockers (blood pressure medications)

Take long-term daily NSAIDs (ibuprofen, naproxen) for chronic conditions

If you fall into any of these categories, your prescriber should check your potassium levels during the first month of treatment. Symptoms of hyperkalemia include muscle weakness, fatigue, irregular heartbeat, and numbness.

Serious Side Effects: When to Call 911 or Seek Emergency Care

These are rare but potentially life-threatening. Stop taking Yasmin 28 and seek emergency care immediately if you experience:

Signs of blood clot (DVT): Pain, swelling, redness, or warmth in one leg

Signs of pulmonary embolism (PE): Sudden shortness of breath, stabbing chest pain, coughing up blood

Signs of stroke: Sudden numbness or weakness on one side, facial drooping, trouble speaking, sudden severe headache, vision loss

Signs of heart attack: Chest pain or pressure, pain spreading to jaw or arm, nausea, sweating, dizziness

Liver problems: Right upper abdominal pain, loss of appetite, yellowing of the skin or eyes (jaundice), dark urine

Sudden vision changes: Vision loss or blurred vision can signal a retinal clot — call your doctor immediately

The risk of blood clots with drospirenone-containing pills like Yasmin 28 is slightly higher than with levonorgestrel-based pills. The absolute risk is still low — between 3–4 cases of VTE per 10,000 women per year — but your provider should review your personal risk factors before prescribing.

When to Call Your Doctor (Non-Emergency)

Contact your provider's office (not emergency room) if you experience:

Nausea that doesn't improve after 3 months

Persistent or heavy breakthrough bleeding

Significant mood changes or worsening depression

Elevated blood pressure readings

Missed periods when pregnancy is possible

Also see our guide on Yasmin 28 drug interactions to understand which medications and supplements can affect how Yasmin 28 works or increase your side effect risk.