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Mercilon Side Effects

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Common Mercilon Side Effects


The most commonly reported Mercilon side effects (click to view or check a box to report):

Caesarean Section (13)
Pulmonary Embolism (11)
Maternal Exposure Before Pregnancy (11)
Off Label Use (11)
Abnormal Withdrawal Bleeding (8)
Vomiting (7)
Metrorrhagia (6)
Vaginal Haemorrhage (6)
Urinary Tract Infection (5)
Pain (5)
Headache (5)
Abdominal Pain (4)
Nausea (4)
Appendicitis (4)
Premature Delivery (4)
Unintended Pregnancy (4)
Muscle Spasms (3)
Migraine (3)
Ischaemic Stroke (3)
Labour Complication (3)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Mercilon Side Effects Reported to FDA



Mercilon Side Effect Report#9998886
Carotid Artery Dissection, Ischaemic Stroke
This is a report of a 24-year-old female patient (weight: NA) from FR, suffering from the following health symptoms/conditions: NA, who was treated with Mercilon (dosage: 1 Df, Qd, start time: 2005), combined with: NA. and developed a serious reaction and side effect(s): Carotid Artery Dissection, Ischaemic Stroke after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon treatment in female patients, resulting in Carotid Artery Dissection side effect. The patient was hospitalized and became disabled.
Mercilon Side Effect Report#9993395
Bronchitis, Dyspnoea, Back Pain, Headache, Vomiting
This report suggests a potential Mercilon Conti Bronchitis side effect(s) that can have serious consequences. A 18-year-old female patient (weight: NA) from BR was diagnosed with the following symptoms/conditions: contraception and used Mercilon Conti (dosage: Unk Unk, Qd) starting 2008. After starting Mercilon Conti the patient began experiencing various side effects, including: Bronchitis, Dyspnoea, Back Pain, Headache, VomitingAdditional drugs used concurrently: NA. Although Mercilon Conti demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Bronchitis, may still occur.
Mercilon Side Effect Report#9972308
Tonsillectomy, Urinary Tract Infection, Urinary Tract Infection, Abnormal Withdrawal Bleeding, Metrorrhagia
This Tonsillectomy problem was reported by a consumer or non-health professional from BR. A 23-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: contraception. On 2004 this consumer started treatment with Mercilon (dosage: 1 Tablet, Qd). The following drugs were being taken at the same time: NA. When using Mercilon, the patient experienced the following unwanted symptoms/side effects: Tonsillectomy, Urinary Tract Infection, Urinary Tract Infection, Abnormal Withdrawal Bleeding, MetrorrhagiaThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Tonsillectomy, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9893468
Abortion Spontaneous, Abortion Spontaneous, Maternal Exposure Before Pregnancy
This Abortion Spontaneous side effect was reported by a pharmacist from BR. A female patient (weight:NA) experienced the following symptoms/conditions: contraception.The patient was prescribed Mercilon (drug dosage: 1 Tablet, Qpm), which was initiated on 200312. Concurrently used drugs: NA..After starting to take Mercilon the consumer reported adverse symptoms, such as: Abortion Spontaneous, Abortion Spontaneous, Maternal Exposure Before PregnancyThese side effects may potentially be related to Mercilon.
Mercilon Side Effect Report#9881736
Rhinoplasty, Urinary Tract Infection, Myalgia, Haematochezia, Urinary Tract Infection, Constipation, Diarrhoea, Abdominal Pain Upper, Diarrhoea
This is a report of a 17-year-old female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception,headache,pain, who was treated with Mercilon Conti (dosage: 1 Tablet, Qd, start time: 2009), combined with:
  • Bebetina
  • Acetaminophen
and developed a serious reaction and side effect(s): Rhinoplasty, Urinary Tract Infection, Myalgia, Haematochezia, Urinary Tract Infection, Constipation, Diarrhoea, Abdominal Pain Upper, Diarrhoea after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon Conti treatment in female patients, resulting in Rhinoplasty side effect.
Mercilon Side Effect Report#9830258
Endometriosis, Endometriosis Ablation, Menstruation Irregular, Off Label Use
This report suggests a potential Mercilon Conti Endometriosis side effect(s) that can have serious consequences. A 33-year-old female patient (weight: NA) from BR was diagnosed with the following symptoms/conditions: contraception,premenstrual syndrome and used Mercilon Conti (dosage: 1 Df, Qd) starting 2009. After starting Mercilon Conti the patient began experiencing various side effects, including: Endometriosis, Endometriosis Ablation, Menstruation Irregular, Off Label UseAdditional drugs used concurrently: NA.The patient was hospitalized. Although Mercilon Conti demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Endometriosis, may still occur.
Mercilon Side Effect Report#9808521
Road Traffic Accident, Unintended Pregnancy, Abnormal Withdrawal Bleeding, Withdrawal Bleed, Metrorrhagia
This Road Traffic Accident problem was reported by a consumer or non-health professional from BR. A 31-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: contraception. On 2006 this consumer started treatment with Mercilon (dosage: 150/20 Microgram, Qd). The following drugs were being taken at the same time: NA. When using Mercilon, the patient experienced the following unwanted symptoms/side effects: Road Traffic Accident, Unintended Pregnancy, Abnormal Withdrawal Bleeding, Withdrawal Bleed, MetrorrhagiaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Road Traffic Accident, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9806034
Trisomy 21, Jaundice, Low Birth Weight Baby, Exposure During Breast Feeding, Foetal Exposure During Pregnancy
This Trisomy 21 side effect was reported by a consumer or non-health professional from BR. A patient (weight:NA) experienced the following symptoms/conditions: contraception.The patient was prescribed Mercilon Conti (drug dosage: 1 Df, Qd), which was initiated on 201009. Concurrently used drugs: NA..After starting to take Mercilon Conti the consumer reported adverse symptoms, such as: Trisomy 21, Jaundice, Low Birth Weight Baby, Exposure During Breast Feeding, Foetal Exposure During PregnancyThese side effects may potentially be related to Mercilon Conti. The patient was hospitalized.
Mercilon Side Effect Report#9804510
Caesarean Section, Premature Delivery, Maternal Exposure Before Pregnancy
This is a report of a 28-year-old female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception, who was treated with Mercilon (dosage: 1 Df, Qd, start time: 2006), combined with: NA. and developed a serious reaction and side effect(s): Caesarean Section, Premature Delivery, Maternal Exposure Before Pregnancy after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon treatment in female patients, resulting in Caesarean Section side effect.
Mercilon Side Effect Report#9785176
Caesarean Section, Complication Of Delivery, Maternal Exposure Before Pregnancy, Off Label Use, Off Label Use, Off Label Use
This report suggests a potential Mercilon Caesarean Section side effect(s) that can have serious consequences. A female patient (weight: NA) from BR was diagnosed with the following symptoms/conditions: ovarian cyst and used Mercilon (dosage: 150/20 Microgram, Qd) starting 2003. After starting Mercilon the patient began experiencing various side effects, including: Caesarean Section, Complication Of Delivery, Maternal Exposure Before Pregnancy, Off Label Use, Off Label Use, Off Label UseAdditional drugs used concurrently: NA. Although Mercilon demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Caesarean Section, may still occur.
Mercilon Side Effect Report#9778906
Nephrolithiasis, Renal Stone Removal, Off Label Use
This Nephrolithiasis problem was reported by a consumer or non-health professional from BR. A 41-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: ovarian cyst. On 2007 this consumer started treatment with Mercilon Conti (dosage: 1 Tablet, Qd). The following drugs were being taken at the same time: NA. When using Mercilon Conti, the patient experienced the following unwanted symptoms/side effects: Nephrolithiasis, Renal Stone Removal, Off Label UseThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Nephrolithiasis, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9776134
Caesarean Section, Labour Complication, Anxiety, Maternal Exposure Before Pregnancy
This Caesarean Section side effect was reported by a consumer or non-health professional from BR. A female patient (weight:NA) experienced the following symptoms/conditions: contraception.The patient was prescribed Mercilon (drug dosage: 1 Df, Qd), which was initiated on 2003. Concurrently used drugs: NA..After starting to take Mercilon the consumer reported adverse symptoms, such as: Caesarean Section, Labour Complication, Anxiety, Maternal Exposure Before PregnancyThese side effects may potentially be related to Mercilon.
Mercilon Side Effect Report#9730491
Premature Delivery, Postoperative Wound Infection, Caesarean Section, Cervical Incompetence, Withdrawal Bleed, Amenorrhoea, Vomiting, Nausea
This is a report of a 20-year-old female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception, who was treated with Mercilon (dosage: Unk, start time: 201112), combined with: NA. and developed a serious reaction and side effect(s): Premature Delivery, Postoperative Wound Infection, Caesarean Section, Cervical Incompetence, Withdrawal Bleed, Amenorrhoea, Vomiting, Nausea after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon treatment in female patients, resulting in Premature Delivery side effect. The patient was hospitalized.
Mercilon Side Effect Report#9730489
Premature Baby
This report suggests a potential Mercilon Premature Baby side effect(s) that can have serious consequences. A patient (weight: NA) from BR was diagnosed with the following symptoms/conditions: contraception and used Mercilon (dosage: Unk) starting 2009. After starting Mercilon the patient began experiencing various side effects, including: Premature BabyAdditional drugs used concurrently: NA. Although Mercilon demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Premature Baby, may still occur.
Mercilon Side Effect Report#9723601
Premature Delivery, Caesarean Section, Withdrawal Bleed, Maternal Exposure Before Pregnancy
This Premature Delivery problem was reported by a consumer or non-health professional from BR. A 17-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: contraception. On 2009 this consumer started treatment with Mercilon (dosage: Unk). The following drugs were being taken at the same time: NA. When using Mercilon, the patient experienced the following unwanted symptoms/side effects: Premature Delivery, Caesarean Section, Withdrawal Bleed, Maternal Exposure Before PregnancyThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Premature Delivery, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9723598
Premature Baby
This Premature Baby side effect was reported by a consumer or non-health professional from BR. A patient (weight:NA) experienced the following symptoms/conditions: contraception.The patient was prescribed Mercilon (drug dosage: Unk), which was initiated on 2009. Concurrently used drugs: NA..After starting to take Mercilon the consumer reported adverse symptoms, such as: Premature BabyThese side effects may potentially be related to Mercilon. The patient was hospitalized.
Mercilon Side Effect Report#9721582
Abortion, Anxiety, Depression, Maternal Exposure Before Pregnancy
This is a report of a female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception, who was treated with Mercilon (dosage: 150/20 Microgram, Qd, start time: 2000), combined with: NA. and developed a serious reaction and side effect(s): Abortion, Anxiety, Depression, Maternal Exposure Before Pregnancy after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon treatment in female patients, resulting in Abortion side effect.
Mercilon Side Effect Report#9721581
Caesarean Section, Premature Separation Of Placenta, Renal Stone Removal, Nephrolithiasis, Lordosis, Maternal Exposure Before Pregnancy
This report suggests a potential Mercilon Caesarean Section side effect(s) that can have serious consequences. A 27-year-old female patient (weight: NA) from BR was diagnosed with the following symptoms/conditions: contraception and used Mercilon (dosage: 150/20 Microgram, Qd) starting 2006. After starting Mercilon the patient began experiencing various side effects, including: Caesarean Section, Premature Separation Of Placenta, Renal Stone Removal, Nephrolithiasis, Lordosis, Maternal Exposure Before PregnancyAdditional drugs used concurrently: NA. Although Mercilon demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Caesarean Section, may still occur.
Mercilon Side Effect Report#9721580
Caesarean Section, Unintended Pregnancy, Delayed Delivery, Labour Pain
This Caesarean Section problem was reported by a consumer or non-health professional from BR. A 20-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: contraception. On 2000 this consumer started treatment with Mercilon (dosage: 150/20 Microgram, Qd). The following drugs were being taken at the same time: NA. When using Mercilon, the patient experienced the following unwanted symptoms/side effects: Caesarean Section, Unintended Pregnancy, Delayed Delivery, Labour PainAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Caesarean Section, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9721570
Exposure During Pregnancy, Unintended Pregnancy
This Exposure During Pregnancy side effect was reported by a physician from CH. A 38-year-old female patient (weight:NA) experienced the following symptoms/conditions: contraception,gastroenteritis.The patient was prescribed Mercilon (drug dosage: (strength: 0.15/0.02mg) 21 Per 1 Month), which was initiated on
Sep 09, 2013. Concurrently used drugs:
  • Clarithromycin (500 Mg, Bid)
  • Omeprazole (40 Mg, Qd)
  • Spasmo-canulase (As Necessary)
  • Metronidazole (500 Mg, Bid)
  • Amoxicillin (500 Mg, Bid)
.After starting to take Mercilon the consumer reported adverse symptoms, such as: Exposure During Pregnancy, Unintended PregnancyThese side effects may potentially be related to Mercilon.
Mercilon Side Effect Report#9696328
Breast Mass, Mass Excision, Caesarean Section, Nasal Septum Deviation, Nasal Septal Operation, Gallbladder Operation, Cholelithiasis, Post Procedural Complication, Keloid Scar
This is a report of a 30-year-old female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception, who was treated with Mercilon (dosage: 1 Df, Qd, start time: 2008), combined with: NA. and developed a serious reaction and side effect(s): Breast Mass, Mass Excision, Caesarean Section, Nasal Septum Deviation, Nasal Septal Operation, Gallbladder Operation, Cholelithiasis, Post Procedural Complication, Keloid Scar after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon treatment in female patients, resulting in Breast Mass side effect. The patient was hospitalized.
Mercilon Side Effect Report#9682702
Abortion Induced, Unintended Pregnancy, Fungal Infection, Vaginal Haemorrhage
This report suggests a potential Mercilon Abortion Induced side effect(s) that can have serious consequences. A 25-year-old female patient (weight: NA) from FI was diagnosed with the following symptoms/conditions: NA and used Mercilon (dosage: Unk) starting
Sep 10, 2013. After starting Mercilon the patient began experiencing various side effects, including: Abortion Induced, Unintended Pregnancy, Fungal Infection, Vaginal HaemorrhageAdditional drugs used concurrently: NA. Although Mercilon demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abortion Induced, may still occur.
Mercilon Side Effect Report#9660492
Pulmonary Embolism
This Pulmonary Embolism problem was reported by a physician from IE. A 33-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: contraception. On
Apr 30, 2001 this consumer started treatment with Mercilon (dosage: Unk). The following drugs were being taken at the same time:
  • Arcoxia 90 Mg Film-coated Tablets (90 Mg, Once A Day (od))
  • Klacid (clarithromycin Lactobionate) (500 Mg, Once A Day (od))
When using Mercilon, the patient experienced the following unwanted symptoms/side effects: Pulmonary EmbolismAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pulmonary Embolism, may become evident only after a product is in use by the general population.
Mercilon Side Effect Report#9580454
Loss Of Consciousness, Cardiac Arrest, Cardiac Arrest, Pulmonary Embolism, Gastrointestinal Disorder, Syncope, Viral Pericarditis, Resuscitation, Hepatic Enzyme Increased
This Loss Of Consciousness side effect was reported by a physician from IL. A 27-year-old female patient (weight:NA) experienced the following symptoms/conditions: contraception.The patient was prescribed Mercilon (drug dosage: Unk), which was initiated on 2009. Concurrently used drugs: NA..After starting to take Mercilon the consumer reported adverse symptoms, such as: Loss Of Consciousness, Cardiac Arrest, Cardiac Arrest, Pulmonary Embolism, Gastrointestinal Disorder, Syncope, Viral Pericarditis, Resuscitation, Hepatic Enzyme IncreasedThese side effects may potentially be related to Mercilon.
Mercilon Side Effect Report#9544275
Breast Prosthesis Implantation, Dysmenorrhoea, Metrorrhagia, Dyspepsia, Nausea, Pain, Urinary Tract Infection
This is a report of a 28-year-old female patient (weight: NA) from BR, suffering from the following health symptoms/conditions: contraception,anxiety, who was treated with Mercilon Conti (dosage: 150+20/10 Microgram, Qd, start time: 2008), combined with:
  • Fluoxetine (Unk)
and developed a serious reaction and side effect(s): Breast Prosthesis Implantation, Dysmenorrhoea, Metrorrhagia, Dyspepsia, Nausea, Pain, Urinary Tract Infection after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mercilon Conti treatment in female patients, resulting in Breast Prosthesis Implantation side effect.


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The appearance of Mercilon on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

What are common Mercilon Side Effects for Men?

Men Side EffectsReports
Anal Abscess 2
Abscess Drainage 1
Foetal Exposure During Pregnancy 1
Low Birth Weight Baby 1
Premature Baby 1

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Mercilon reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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    Mercilon Safety Alerts, Active Ingredients, Usage Information

    More About Mercilon

    Side Effects reported to FDA: 95

    Mercilon safety alerts: No

    Reported deaths: 6

    Reported hospitalizations: 18

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