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how long before lo loestrin fe is effective

A 26-year-old female asked:
Dr. Shiao-Yu Lee
Specializes in Gynecology
1 week: If you started it on the 1st day of your menstruation, it works right away. Otherwise, it is better to wait for a week.
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A 28-year-old female asked:
Dr. Marius Frasie
25 years experience Internal Medicine
NOT: BAD AT ALL, WHEN TAKEN AS PRESCRIBED.
A 27-year-old female asked:
Dr. Janice Alexander
41 years experience Obstetrics and Gynecology
No: If you just started that OC, you need to use back up for the first month. No OC is 99.9% effective during the first month.
A 42-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Yes, needs to be: Consistent. If you are starting from scratch, begin Loestrin 24 Fe on day 1 of period or on 1st sunday after day 1. Use white tab x 24 days & then bro ... Read More
A 26-year-old female asked:
Dr. Kathleen Mullane
31 years experience Internal Medicine
OCP protection: You should use two methods of birth control for the first cycle of you ocp's. No test driving without protection!
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A 26-year-old female asked:
Dr. Paula Hillard
43 years experience Obstetrics and Gynecology
It depends: It depends on when in your cycle you started the pills. If you started on the first day of bleeding, it's effective right away. If later in your cyc ... Read More
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A male asked:
Dr. Louis Paolillo
Specializes in Obstetrics and Gynecology
Very effective: very important that it be taken daily. preferably at the same time each day If you forget to take pill for one day, you can take 2 pills on next day ... Read More
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A 48-year-old member asked:
Dr. Adam Newman
28 years experience Obstetrics and Gynecology
Depends on start dat: If you start it the sunday after your period starts, it will be effective immediately (that cycle). If you start it an any other time, it won't be eff ... Read More
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A 56-year-old member asked:
Dr. Tsu-Yi Chuang
49 years experience Dermatology
Don't know.: Otc works more like a prevention instead of treatment. So it may takes several cycles to start seeing the "effect".
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A 24-year-old female asked:
Dr. Charles Gordon
Specializes in Adolescent Medicine
When?: You should have been instructed when to start taking the BCP's to get in sync with your normal cycle. The way it works is that it fools your body int ... Read More
A 51-year-old member asked:
Dr. Dennis Higginbotham
29 years experience Obstetrics and Gynecology
Depends: It would be effective immediately if started at the time of your period. Otherwise, allow 2 weeks to be considered protected.
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A 46-year-old member asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
29 years experience Geriatrics
Up to 14 days: Check out http://www.Mydr.Com.Au/cmis/pdfs/cmi8018.Pdf and http://www.Medsafe.Govt.Nz/consumers/cmi/l/levlen (ethinyl estradiol and levonorgestrel).Pd ... Read More
A 55-year-old member asked:
Dr. Stephen Sudler
39 years experience Obstetrics and Gynecology
Depends on start: Combination pills you may start the combination pill at any time. If you start within five days after the start of your period, you are protected aga ... Read More
A 45-year-old member asked:
Dr. Wendy Askew
23 years experience Obstetrics and Gynecology
1 month: The standard recommendation is to use a back-up method of birth control (condoms) for one month of taking the pill before relying on it to be effectiv ... Read More
A 40-year-old member asked:
Dr. Guy VanDell
22 years experience Obstetrics and Gynecology
Next cycle: Depending on how long you took the drug, i would recommend waiiting until the next cycle to depend on your birth control to be safest.
A 38-year-old member asked:
Dr. Michael Flax
45 years experience Obstetrics and Gynecology
Probably immediately: The pill is probably effective immediately...But i would recommend you use barrier contraception (condoms) until you finish the first three weeks of y ... Read More
A 52-year-old member asked:
Dr. Steven Weissberg
54 years experience Obstetrics and Gynecology
Immediately: If you start taking them on the sunday following the beginning of your next period, effective immediately.
A 25-year-old female asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
It depends: The answer to this depends on two factors: the kind of birth control pills you’re using, and the point in your menstrual cycle that you started them. ... Read More
A 48-year-old member asked:
Dr. Yash Khanna
56 years experience Family Medicine
IT IS EFFECTIVE: If taken correctly these are 99.9% effective for pregnancy prevevtion.It does not protect you against sexually transmitted disease.
A 39-year-old female asked:
Dr. Jessica Khan
31 years experience Infectious Disease
Immidiately: Although certain antibiotics interact with birth control pills to render them less effective, Keflex is not really among those notorious for doing so. ... Read More
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A 23-year-old female asked:
Dr. Jerome Litt
70 years experience Dermatology
MINOCYCLINE+OCs: MINOCYCLINE CAN OFTEN MAKE OCs (ORAL CONTRACEPTIVES) LESS EFFECTIVE. CHECK WITH YOUR GYNECOLOGIST. BEST LUCK . . .
A 53-year-old member asked:
Dr. Dale Kristle
39 years experience Gynecology
Yes: yes, this a frequent (and desirable ) side effect

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