This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Plan B ONE-Step (Levonorgestrel) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (5680)
Reports by Reaction Type
Menstruation Irregular (3534),
Pelvic Pain (665),
Nausea (643),
Menstruation Delayed (446),
Vomiting (430),
Headache (297),
Abdominal Pain (289),
Dizziness (265),
Fatigue (251),
Breast Tenderness (216),
Pregnancy After Post Coital Contraception (202),
Drug Ineffective (199)
Below are a few examples of reports where side effects / adverse reactions may be related to Plan B ONE-Step (Levonorgestrel). For a complete list or a specific selection of reports, please use the links above.
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 46.3 kg (101.9 pounds)
Reactions: Menstruation Irregular, Menstruation Delayed
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Dizziness
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular, Muscle Spasms
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 70.4 kg (154.8 pounds)
Reactions: Breast Pain
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 68.1 kg (149.8 pounds)
Reactions: Abdominal Pain, Menstruation Delayed
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 61.3 kg (134.8 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Dosage: 1.5 milligram daily;
Administration route: Oral
Start date: 2012-06-01
End date: 2012-06-01
Plan B ONE-Step
Dosage: 1.5 milligram daily;
Administration route: Oral
Start date: 2012-06-01
End date: 2012-06-01
Plan B ONE-Step
Dosage: 1.5 milligram daily;
Administration route: Oral
Indication: Post Coital Contraception
Start date: 2012-06-01
End date: 2012-06-01
Plan B ONE-Step
Dosage: 1.5 milligram daily;
Administration route: Oral
Start date: 2012-06-01
End date: 2012-06-01
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Blood Urine Present, Dysuria, Pollakiuria
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 47.7 kg (104.9 pounds)
Reactions: Back Pain, Nausea, Pain in Extremity, Abdominal Distension, Headache
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 61.3 kg (134.8 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Other drugs received by patient: Zoloft
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 57.7 kg (126.8 pounds)
Reactions: Abdominal Pain, Menstruation Irregular, Fatigue, Nausea
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 47.7 kg (104.9 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Other drugs received by patient: Zoloft; Zoloft
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 52.2 kg (114.9 pounds)
Reactions: Acne
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 63.6 kg (139.8 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 77.2 kg (169.8 pounds)
Reactions: Menstruation Irregular, Premenstrual Syndrome, Pelvic Pain
Drug(s) suspected as cause:
Plan B ONE-Step
Other drugs received by patient: Zoloft
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 68.1 kg (149.8 pounds)
Reactions: Menstruation Irregular, Dizziness, Pelvic Pain, Headache
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 56.8 kg (124.9 pounds)
Reactions: Menstruation Irregular, Pelvic Pain, Vaginal Haemorrhage
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular, Drug Ineffective, Pelvic Pain, Pregnancy After Post Coital Contraception
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Menstruation Irregular, Drug Ineffective, Pregnancy After Post Coital Contraception
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in 22 year old female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: 22 year old female
Reactions: Menstruation Irregular, Nausea, Abdominal Pain Upper
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 61.3 kg (134.8 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 90.8 kg (199.8 pounds)
Reactions: Abdominal Pain Upper
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 86.3 kg (189.8 pounds)
Reactions: Vomiting, Nausea
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Headache
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female, weighing 61.3 kg (134.8 pounds)
Reactions: Menstruation Irregular
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: female
Reactions: Haemorrhage
Drug(s) suspected as cause:
Plan B ONE-Step
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: female, weighing 50.8 kg (111.9 pounds)
Reactions: Pelvic Pain
Drug(s) suspected as cause:
Plan B ONE-Step
Other drugs received by patient: Loestrin 24 FE; Antibiotics
Possible Plan B ONE-Step side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: female
Reactions: Menstruation Irregular, Pelvic Pain
Drug(s) suspected as cause:
Plan B ONE-Step
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