Regulon Tablet

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Dr. Mohd Izzat Amir Bin Awang
Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester
Dr. Adeline Carol Peters
Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated:

Overview

Regulon Tablet is a tablet with Desogestrel declared as its active content. It is supplied in a pack size of 21s.

This is a non-prescription product and can be purchased without a prescription. Only product, safety and handling details are published on this page.

An online consultation with a DoctorOnCall doctor or pharmacist is available for this product, and a registered pharmacist reviews each order before dispatch to Malaysia or Singapore. Follow the directions on the label and on the leaflet inside the pack.

Directions for Use

Take Regulon Tablet exactly as instructed by your prescribing doctor, usually one tablet at the same time each day for 21 days starting on the first day of your period, followed by a 7-day tablet-free interval before starting the next strip; if the first tablet is taken later than day 1 of your cycle, use a backup contraceptive method such as condoms for the following 7 days.

Dosage

The standard dose of Regulon Tablet is one tablet daily for 21 consecutive days followed by a 7-day break, although your doctor may recommend a different regimen, such as continuous dosing, depending on your cycle and health needs, so always follow the exact schedule your doctor prescribes.

Shelf Life

Regulon Tablet is generally stable for up to 3 years from the date of manufacture when the blister strip remains unopened and is stored correctly, so always check the expiry date printed on the packaging before starting each new strip.

Storage Instructions

Store Regulon Tablet below 30°C in a dry place away from direct sunlight and excessive moisture, and always keep it out of the sight and reach of children.

Side Effects

  • Irregular menstrual bleeding
  • Headache
  • Acne or oily skin
  • Breast tenderness
  • Weight changes
  • Mood changes
  • Nausea
  • Decreased libido

Contraindications

  • Known or suspected pregnancy
  • Current or past history of blood clots such as deep vein thrombosis or pulmonary embolism, or a history of stroke
  • History of breast cancer or other oestrogen-sensitive cancers
  • Severe liver disease or liver tumours
  • Migraine with aura
  • Uncontrolled high blood pressure
  • Smokers aged over 35 years
  • Undiagnosed abnormal vaginal bleeding

Drug / Food Interactions

  • Enzyme-inducing medicines such as rifampicin and certain anticonvulsants (for example carbamazepine or phenytoin) may reduce contraceptive effectiveness
  • St John’s Wort, a herbal supplement, can lower hormone levels and reduce protection against pregnancy
  • Some antibiotics may affect efficacy in individual cases, so always inform your doctor of all medicines you are taking
  • Other hormonal medicines should only be combined with Regulon Tablet under medical supervision

Quick Tips

  • Take Regulon Tablet at the same time every day to keep hormone levels steady
  • If you miss a tablet, check the missed-pill instructions in the package leaflet or contact your pharmacist or doctor promptly
  • Use condoms as a backup method during the first 7 days of a new pack if you started mid-cycle
  • Regulon Tablet does not protect against sexually transmitted infections
  • Keep regular follow-up appointments with your doctor to reassess suitability, especially if your health circumstances change

Ingredients / Active Ingredients

  • Desogestrel
  • Ethinylestradiol
  • Lactose monohydrate
  • Standard tablet binders and colourants

Safety Advice

Pregnancy

Not Safe

This medicine is not considered safe during pregnancy and should be avoided.

Breastfeeding

Safe If Prescribed

Use during breastfeeding should only be done if prescribed and monitored by a doctor.

Kidney

Limited Data

Limited data in kidney disease patients. Use only if necessary.

Liver

Not Advisable

Not recommended in patients with liver disease.

Alcohol

Generally Safe

Consuming alcohol with this medicine is generally safe, but moderate intake is advised.

Driving

Generally Safe

This medicine is generally safe and should not impair your driving ability.

Relevant Information

Regulon Tablet is generally suitable for women without major cardiovascular, liver, or cancer-related risk factors who are seeking reliable, reversible contraception. As it is only available with a valid prescription, DoctorOnCall’s doctors assess each customer individually through an online consultation before approving supply, ensuring the medicine is appropriate for that person’s health profile.

Frequently Asked Questions

Product Specifications

BrandPahang Pharmacy
ManufacturerGedeon Richter
ClassificationNon-prescription
Ingredients / Active IngredientsDesogestrel
Pack Size21s

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Important Medical Information

💊 Recommended Dosage:

The standard dose of Regulon Tablet is one tablet daily for 21 consecutive days followed by a 7-day break, although your doctor may recommend a different regimen, such as continuous dosing, depending on your cycle and health needs, so always follow the exact schedule your doctor prescribes.

🛑 Contraindications (Do not use if):
  • Known or suspected pregnancy
  • Current or past history of blood clots such as deep vein thrombosis or pulmonary embolism, or a history of stroke
  • History of breast cancer or other oestrogen-sensitive cancers
  • Severe liver disease or liver tumours
  • Migraine with aura
  • Uncontrolled high blood pressure
  • Smokers aged over 35 years
  • Undiagnosed abnormal vaginal bleeding
If you are unsure, please chat with us or consult your doctor.
⚠️ Common Side Effects:
  • Irregular menstrual bleeding
  • Headache
  • Acne or oily skin
  • Breast tenderness
  • Weight changes
  • Mood changes
  • Nausea
  • Decreased libido
Stop taking this medication immediately and consult your doctor if you experience severe allergic reactions or side effects.
IMPORTANT: Unsure? Chat with our pharmacists (Mon - Sat, 9:00am - 6:00pm) before buying.