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Doctor insights on: Can Thyroxine Cancel Birth Control

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I'm taking 25mg of synthroid (thyroxine) and I would like to start taking my birth control again. I take my synthroid (thyroxine) at 10pm. Is it ok to take my bc in morning?

I'm taking 25mg of synthroid (thyroxine) and I would like to start taking my birth control again. I take my synthroid (thyroxine) at 10pm. Is it ok to take my bc in morning?

Doesn't matter: Thyroid hormone levels do not rise and fall after each dose because of its long half life in the blood so it does not matter when you take it and it will not interact with your BC. Also, 25 mcg is a very small dose for an adult and if your thyroid tests are fine on that dose, there is a good chance you could do fine without it. ...Read more

Dr. Jeff Livingston
2,365 doctors shared insights

Contraception (Definition)

Contraceptiion is a means of preventing conception (or fertilization). There are hormonal and non hormonal methods of preventing sperm and egg from meeting. Talk to your doctor or clinic about what options are best for you. There are short acting methods (condoms, pills, patch, ring) and long ...Read more


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Is skinception safe to use with combination birth control and synthroid (thyroxine)?

Is skinception safe to use with combination birth control and synthroid (thyroxine)?

Yes: There's no problem, but do you really think it's going to cure your wrinkles? Your wallet will develop more wrinkles as the money drains out of it. Don't get your medical information from friends, tv or the internet. ...Read more

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I started my period 2weeks ago it lasted 7 days and now its like I've started again on thursday im not on birth control or anything just thyroxine ?

I started my period 2weeks ago it lasted 7 days and now its like I've started again on thursday im not on birth control or anything just thyroxine ?

Get thyroid checked: Abnormal thyroid levels can cause changes in periods. If your doctor hasn't checked your thyroid levels recently, that would be a good place to start.. ...Read more

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Dx hypothyroid in April, been on synthroid (thyroxine) 0.025mg x 3 months, but TSH went higher (~13) w/ normal ft4. Could viorele birth control cause high TSH?

Dx hypothyroid in April, been on synthroid (thyroxine) 0.025mg x 3 months, but TSH went higher (~13) w/ normal ft4. Could viorele birth control cause high TSH?

What's the next dose: Don't think so. More likely it is because 0.025mg is the smallest Synthroid (thyroxine) pill. Synthroid (thyroxine) comes in about 12 sizes, from 0.025mg to 0.300mg. If one's doctor started her on 0.025mg and there is no drop in the TSH, one can ask at her follow-up visit (there is always a lot of follow-up until the proper dose is found and the TSH is normal) what the next dose is. ...Read more

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Is it safe to take vitamin D3 and vitamin b complex with Synthroid (thyroxine) and birth controls pills?

Is it safe to take vitamin D3 and vitamin b complex with Synthroid (thyroxine) and birth controls pills?

Yes but: You can take birth control pills and vitamins and synthroid (thyroxine), (thyroxine) provided you take appropriate doses and take the synthroid (thyroxine) on an empty stomach (1hr prior or 2hrs after meals). Don't take birth control pills or vitamins at same time with synthroid (thyroxine). ...Read more

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Doctor prescribed me 25MCG of levothyroxine. I also take birth control pills. Are they okay to take together? I am 19 yo.

Doctor prescribed me 25MCG of levothyroxine. I also take birth control pills. Are they okay to take together? I am 19 yo.

Yes: The levothyroxine is just a replacement for something normal people make in their thyroid gland. The pill mimics hormones your body would make if you were pregnant, preventing ovulation (egg release) so you don't conceive. They work together naturally. ...Read more

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Will birth control pills damage my thyroid even more than it is? I already have hypothyroidism and taking levothyroxine.

Will birth control pills damage my thyroid even more than it is? I already have hypothyroidism and taking levothyroxine.

Birth Control: Doesn't damage your thyroid. The estrogen in the birth control pill will stimulate an increase in the amount of thyroid binding globulin (TBG) your body makes, so you may require a slightly higher dose of levothyroxine to compensate for the increased tbg. A similar phenomenon occurs during pregnancy. ...Read more

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If a hypothyroid woman is on birth control pills alone(no levothyroxine), would it improve some of her symptoms like acne or hair loss?

If a hypothyroid woman is on birth control pills alone(no levothyroxine), would it improve some of her symptoms like acne or hair loss?

Odd question: If she has low thyroid she will clearly benefit from thyroid therapy. Why not??? The specific type of birth control is significant. Some hormones reduce acne and improve hair problems. Some hormones (androgenic progesterones) aggravate acne and cause loss of scalp hair. All 3 of your meds reduce acne and reduce loss of scalp hair. For polycystic ovary, weight loss and perhaps metformin are useful. ...Read more

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My daughter T3 (liothyronine) &T4 was done on 4 day after birth. T3 (liothyronine) was normal but T4 (thyroxine ) is 20.5. Is it normal or need to worry?

My daughter T3 (liothyronine) &T4 was done on 4 day after birth. T3 (liothyronine) was normal but T4 (thyroxine )  is 20.5. Is it normal or need to worry?

T3 (liothyronine) T4: Yes you need to worry because the doctor did not explain to you what this means. It is unlikely to be an issue but your doctor must explain this to you so you can relax and enjoy your baby. The word "doctor" is derived from "docere - to teach". Your doctor is not doing her/his job! ...Read more

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I started taking Synthroid (thyroxine) at 35 weeks pregnant because i developed slightly elevated TSH levels; when can I stop taking Synthroid (thyroxine) after giving birth?

I started taking Synthroid (thyroxine) at 35 weeks pregnant because i developed slightly elevated TSH levels; when can I stop taking Synthroid (thyroxine) after giving birth?

TALK TO YOUR DOCTOR: If you do have true hypothyroidism you may need to be on it life long. Discuss it with your doctor and you may need follow up blood tests to determine if this is temporary of lifelong. ...Read more

Dr. Scott Keith
4 doctors shared insights

Birth Control (Definition)

Also known as contraception, birth control is a method to prevent pregnancy. Some methods of birth control include a vasectomy, tubal ligation, oral contraceptive pills, vaginal rings, hormone injections, condoms, diaphragms, sponges, ...Read more


Dr. David Sneid
1,406 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more