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Doctor insights on: Phentermine And Oral Contraceptives

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What makes oral contraceptives only 97%-99% effective and not 100%?

What makes oral contraceptives only 97%-99% effective and not 100%?

Life is not perfect: Life is never perfect nor 100%. Things just happen, sometimes. Each woman's body has to respond to the artificial hormones in the pills, and maybe once in a rare while she still manages to ovulate. The percentages are about a population of women, NOT about one woman. Medical statistics have to be interpreted this way, because nobody knows what the percentage effectiveness is for a specific woman. ...Read more

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Dr. Adam Lewis
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Birth Control Pills (Definition)

Also known as oral contraceptives, birth control pills are highly effective oral medications that use hormones to prevent pregnancy. There are two main types of birth control pills: one with estrogen and progestin (also known as the combination pill) and one with just progestin. The two main ways they prevent pregnancy are: 1) The hormones thicken the cervical mucous, which keeps sperm from entering the uterus on their way to the egg; and 2) By maintaining a level of hormone in the blood stream that prevents the ...Read more


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Can UTI antibiotics effect oral contraceptives?

Can UTI antibiotics effect oral contraceptives?

No, this used to be: More of a concern, but careful study has shown that the common oral antibiotics that we take do not reduce the effectiveness of oc's. One medicine called "rifampin" may be an exception but it is not commonly used. ...Read more

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Can oral contraceptives be used as HRT after surgical menopause?

Can oral contraceptives be used as HRT after surgical menopause?

Surgical menopause: Yes bc pills can be used, however these are all synthetic chemicals and not bio-identical to ones natural hormones that are supplied to the body before menopause. To get superior treatment ask for bio=identical hormone therapy to balance your hormone system. ...Read more

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My mother told me certain oral contraceptives did not wok for her, will this be the same for me?

My mother told me certain oral contraceptives did not wok for her, will this be the same for me?

No!: With no missed pills, "perfect use", the failure rate of birth control pills is 0.3%, that is >99% effective.In typical use, because taking a pill every d without ever missing is hard, about 9/100 couples will get pregnant/year. Not missing pills is the best way for the pills to work for you. ...Read more

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What does it mean if you are having cramps and breakthrough bleeding while on oral contraceptives?

What does it mean if you are having cramps and breakthrough bleeding while on oral contraceptives?

Side effects: Most women who take birth control pills have no side effects, but the most common side effect in the first 1-3 months is irregular bleeding that gets better over time. Missed pills can also cause breakthrough bleeding. Cramps usually go along with spotting. Otc meds such as Ibuprofen or Naproxen can help cramps and bleeding. ...Read more

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I have my period 10 days earlier than expected and I still have a week worth of oral contraceptives. Is this normal?

I have my period 10 days earlier than expected and I still have a week worth of oral contraceptives. Is this normal?

No: This is called breakthrough bleeding. It does happen occasionally on oral contraceptive pills. It happens more often when you have been on the pill for a longer period of time, or if you miss more than one day of taking the pill. ...Read more

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How much does the probability of getting a blood clot go up due to oral contraceptives? What are the symptoms of a blood clot?

How much does the probability of getting a blood clot go up due to oral contraceptives? What are the symptoms of a blood clot?

Blood clot: Symptoms depends on the location of the clot. If it is in the leg : leg swelling, with pain. If it is in the lungs it can cause shortness of breath, and or chest pain. The risk depends on the dose of estrogen. ...Read more

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Use oral contaceptives, and i notice whenever i take pills i feel I have pain in my foot. Is it related to my oral contraceptives?

Use oral contaceptives, and i notice whenever i take pills i feel I have pain in my foot. Is it related to my oral contraceptives?

Probably, yes.: There can be an association between increased estrogen levels caused by oral contraceptives and a sense of foot pain. More often it is described as "achy" and patients, like yourself, can relate this to the use of estrogen based bc meds. If it bothers you enough, you may want to vist with your ob-gyn to discuss alternatives (diaphragm, ring, sponge, non medicated implant etc...). ...Read more

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I am on oral contraceptives and usually have 3-4 day periods. This last one came on time, but only lasted one day. Could I be pregnant?

I am on oral contraceptives and usually have 3-4 day periods. This last one came on time, but only lasted one day. Could I be pregnant?

Unlikely, but...: A urine pregnancy test gives a reliable result 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a "withdrawal period". If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and thus lead to a repeat test. If a woman keeps getting her "withdrawal periods" while on the pill, then she is not pregnant. ...Read more

Dr. Gail Altschuler
390 doctors shared insights

Phentermine (Definition)

Phentermine is been around for about 60 years. Phentermine is an appetite suppressant the bariatrician in the winter of 2008. Has a article gives a great description of the medication phentermine. I have used Phentermine over the last nine years without any complications whatsoever. We only give a half of a 37.5 mg ...Read more


Dr. Milton Alvis Jr
270 doctors shared insights

Ionamin (Definition)

Ionamin is an appetite suppressant which is a kind ...Read more