Desogestrel is one of the safest hormonal contraceptives, largely because it contains no estrogen, making it suitable for many women who cannot use combined oral contraceptives (COCs). However, like all medications, Desogestrel has specific contraindications, situations requiring caution, and clinical scenarios that need additional monitoring.
This article follows evidence from:
- WHO Medical Eligibility Criteria (MEC)
- FSRH Guidelines
- NHS Prescribing Standards
Absolute Contraindications (Do NOT Use Desogestrel)
These are conditions where Desogestrel should not be used because risks outweigh benefits.
Current Breast Cancer (or Cancer Within the Last 5 Years)
- Absolute contraindication
- Progestins may stimulate hormone-sensitive breast cancer cells
- Includes active disease, recent treatment, or suspected malignancy
Hormonal contraception (POP, COC, implant, injection) should be avoided.
Severe Liver Disease
Desogestrel is metabolised in the liver. Conditions that impair hepatic function can cause drug accumulation and worsening disease.
Contraindicated in:
- Acute hepatitis
- Decompensated cirrhosis
- Severe liver impairment
- Hepatic adenomas
- Liver tumours
Unexplained Vaginal Bleeding
- Severe or persistent unexplained bleeding must be investigated before initiation
- Possible causes include endometrial pathology, cervical disease, fibroids, hormonal disorders, or malignancy
Known Hypersensitivity to Desogestrel or Tablet Components
- Rare but considered a strict contraindication
Conditions Requiring Precautions (Use With Clinical Guidance – MEC Category 2)
These situations usually allow use, but careful assessment and monitoring are required.
History of Breast Cancer (More Than 5 Years Disease-Free)
- Progestin-only methods may be considered with specialist input
- Caution advised due to hormonal sensitivity
Controlled High Blood Pressure
- Safe in mild or well-controlled hypertension
- Monitoring required if blood pressure becomes uncontrolled
Previous Ectopic Pregnancy
- Overall ectopic risk is reduced due to ovulation suppression
- If pregnancy occurs, relative ectopic risk is higher
- Counsel on symptoms such as abdominal pain, spotting, or dizziness
Liver Enzyme–Inducing Medications
These drugs reduce Desogestrel effectiveness via CYP3A4 induction:
- Carbamazepine
- Phenytoin
- Primidone
- Barbiturates
- Rifampicin or rifabutin
- Griseofulvin
- St John’s Wort
Recommendations include backup contraception or switching to a non-interacting method.
Gallbladder Disease
- Generally safe
- Use caution in recent surgery, symptomatic gallstones, or impaired bile flow
Diabetes With Vascular Complications
- Safe in Type 1 and Type 2 diabetes without complications
- Caution advised with neuropathy, retinopathy, nephropathy, or other vascular disease
Active Acne That Worsens on Progestins
- Some users experience acne flare-ups
- Effects vary by individual
History of Depression or Mood Disorders
- Can be used with monitoring
- Follow-up advised in severe or recurrent depression
Conditions Where Desogestrel Is Generally Safe (MEC Category 1)
No restrictions apply in the following situations:
- Smoking at any age (including over 35)
- Migraine with or without aura
- Family history of blood clots
- Varicose veins
- Thalassaemia
- Sickle cell disease
- Thyroid disorders
- BMI ≥ 30 (obesity)
- Postpartum (after 4–6 weeks)
- Breastfeeding
This safety profile explains why Desogestrel is often preferred over COCs in high-risk groups.
Drug Interactions That Require Precaution
CYP3A4 Inducers
- Reduce etonogestrel levels and increase ovulation risk
- Backup contraception is essential
Severe Gastrointestinal Upset
- Vomiting or diarrhoea within 3 hours may impair absorption
- Follow missed-pill guidance and use barrier protection if needed
Precautions During Use
Consistent Daily Timing
- Take the pill at the same time each day
- Although a 12-hour window exists, consistency optimises suppression
Monitor Bleeding Patterns
- Spotting, irregular bleeding, or amenorrhoea are common and medically safe
- Review if disruptive
Regular Breast Self-Checks
- Report new lumps, persistent pain, or nipple changes
Blood Pressure Monitoring
- Especially important in those with a history of hypertension or pre-eclampsia
Awareness of Early Pregnancy Signs
- If pregnancy is suspected, rule out ectopic pregnancy promptly
Summary: When to Use and When to Avoid
Do NOT Use If
- Current breast cancer
- Severe liver disease
- Unexplained vaginal bleeding
- Allergy to Desogestrel or components
Use With Caution If
- Taking enzyme-inducing medications
- History of ectopic pregnancy
- Severe or uncontrolled hypertension
- Past liver disease
- Severe mood disorders
Safe for Most Women, Including
- Smokers over 35
- Migraine with aura
- Breastfeeding
- Obesity
- Diabetes without vascular complications
- Postpartum use
Clinical Summary
Desogestrel is among the safest hormonal contraceptive options, particularly for women who cannot use estrogen. Careful assessment is required in specific clinical scenarios, especially breast cancer, liver disease, and drug interactions. Understanding these contraindications ensures safe prescribing and responsible use.