Sirf Ek

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 207 people have bought this recently
1 TABLET 1 Strip ₹ 60
  • Not Available in Market

  • Manufactured by: Cipla Ltd
  • Contains / Salt: Levonorgestrel (1.25 mg)

Sirf Ek Information

Sirf Ek Benefits & Uses

Sirf Ek is used to treat the following -

Main Benefits

Other Benefits

Sirf Ek Dosage & How to Take

This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.

Find the right dosage based on disease and age

Age Group Dosage

Sirf Ek Side Effects

Based on research, the following side effects have been observed when Sirf Ek is used -


  • पेट दर्द
  • Breast Tenderness
  • Difficulty breathing
  • Swelling


Sirf Ek Related Warnings

  • Is the use of Sirf Ek safe for pregnant women?

    It is not known what effect Sirf Ek will have on pregnant women, because no research work has been carried out on this till date.

  • Is the use of Sirf Ek safe during breastfeeding?

    Breastfeeding women can safely use Sirf Ek.

  • What is the effect of Sirf Ek on the Kidneys?

    Sirf Ek has very mild side effects on the kidneys.

  • What is the effect of Sirf Ek on the Liver?

    The liver can be affected by Sirf Ek. If you experience any unwanted effects of this drug, stop taking it and consult your doctor. You should restart Sirf Ek only after medical advice.

  • What is the effect of Sirf Ek on the Heart?

    Sirf Ek has very mild side effects on the heart.


Severe Interaction of Sirf Ek with Other Drugs

Sirf Ek should not be taken with following medicines due to severe side effects it may cause to patients -


Sirf Ek Contraindications

If you are suffering from any of the following diseases, you should not take Sirf Ek unless your doctor advises you to do so -

Frequently asked Questions about Sirf Ek

  • Is this Sirf Ek habit forming or addictive?

    Forming a habit of Sirf Ek has not been reported.

  • Is it safe to drive or operate heavy machinery when consuming?

    No, you should do not do anything that requires concentration and attention as the Sirf Ek can make you feel drowsy.

  • Is it safe?

    Sirf Ek should be used only after doctor's advice.

    Safe, but take only on Doctor's advise
  • Is it able to treat mental disorders?

    No, Sirf Ek cannot treat any kind of mental disorder.


Sirf Ek Interactions with Food and Alcohol

  • Interaction between Food and Sirf Ek

    There isn't any research available on the side effects of taking Sirf Ek with food.

  • Interaction between Alcohol and Sirf Ek

    Due to lack of research, nothing can be said about side effects of consuming alcohol while taking Sirf Ek.


Frequently asked Questions about Sirf Ek

Question about 4 years ago

How does Sirf Ek work?

Dr. Abhijit MBBS , General Physician

Sirf Ek contains levonorgestrel which is a synthetic form of the naturally occurring female sex hormone (progesterone). During a normal menstrual cycle, a mature egg is released from the ovaries (this process is called ovulation). For possible pregnancy, the ovary produces progesterone which prevents the further release of egg and uses the lining of the womb for pregnancy also during this period progesterone levels in the body remains high to maintain the womb lining, but if the fertilization does not take place then the levels of progesterone decreases in the body that results in menstruation. Sirf Ek works by tricking the body into thinking that mature egg has been already released from the ovaries this results in decreased levels of progesterone in the body which prevents the release of eggs from the ovaries, it also alters the lining of the womb that prevents the pregnancy from occurring. Please keep in mind that this medicine does not work if you are already pregnant.

Question about 3 years ago

Does Sirf Ek cause spotting?

Dr. Chirag Bhingradiya MBBS , Pediatrics

Yes, Sirf Ek causes spotting or intermenstrual bleeding, it has been associated with spotting but it occurs rarely. It is a known side effect of this drug. If you are experiencing severe spotting after taking this medicine then consult with your doctor.

Question about 3 years ago

Does Sirf Ek cause bloating?

Dr Anjum Mujawar MBBS, MBBS , Emergency Medicine

No, Sirf Ek does not cause bloating (swollen belly after eating food which might be caused by excessive gas production). It has not been reported by the patients who are taking it. If you are experiencing bloating after taking this medicine, then try eating less spicy and fiber-rich food also try to eat food in less quantity at a time. Taking probiotics or digestive enzyme supplements might be helpful in reducing bloating.

Question almost 4 years ago

Is Sirf Ek safe to use?

Dr. Prakash kumar MBBS , General Physician

Yes, Sirf Ek is safe to use, if it is taken once after unprotected intercourse. Do not take more than one tablet at a time. Some certain side effects have been associated with this drug such as a headache, nausea, vomiting, Lower abdominal (stomach) pain, and tiredness.

Question over 2 years ago

Can I take Sirf Ek with paracetamol?

Dr. Anand Singh MBBS , General Physician

Yes, Sirf Ek can be taken with paracetamol. No harmful drug interaction has been reported between them. It is safe to take Sirf Ek along with paracetamol if it does not exceed the recommended dosage.

See all substitutes for Sirf Ek

This medicine data has been created by -

Vikas Chauhan

B.Pharma, Pharmacy
5 Years of Experience


US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Plan B (Levonorgestrel)

KD Tripathi. [link]. Seventh Edition. New Delhi, India: Jaypee Brothers Medical Publishers; 2013: Page No 318,322

April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 348-352

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