Contraceptive pills, Pharmacology FAQ

Understanding the Interaction Between Contraceptive Pills and African Mango Drink

Emergency contraceptive pill Hello Doctor, I am the person who asked question #166953. I have received your response, which mentioned that "African mango drink can delay gastric emptying and may affect the efficacy of contraceptive pills, so it is not recommended to take the...

Dr. Zheng Shuwen Reply:
Hello, regarding your question, here is the response: The "African mango tea" may delay gastric emptying, which could potentially affect the efficacy of medications (such as oral contraceptives). It is recommended that you do not take them simultaneously. If possible, p...

Drug Interactions with Emergency Contraceptive Pills: What You Need to Know

Medications that interact with emergency contraceptive pills? Cephanmycin Capsules, Fucolect PARAN Tablets, Lysozyme Tablets, 9SLEEPMAN Tablets 10mg, Drowsy Tablets 0.25mg, Mesyrel Tablets 50mg, Caremod Tablets 20mg, Easyfor SR 75mg, Cardolol Tablets 10mg, Casmin Tablets 40mg, Fl...

Dr. Zheng Shuwen Reply:
Hello, regarding your question, here is the response: Generally, medications that may interact with hormonal contraceptives include certain antiepileptic drugs (such as phenytoin, carbamazepine, oxcarbazepine, topiramate, lamotrigine), certain antibiotics (such as griseofulvin, r...

Understanding Emergency Contraceptive Pills and Menstrual Cycle Changes

Emergency contraceptive pill Your girlfriend has an average menstrual cycle of 27 days. She had protected intercourse on June 19 and took an emergency contraceptive pill. Her period started on June 26, which is within the expected time frame. However, since her previous period wa...

Dr. Hou Fangmin Reply:
Hello Mr. Hou: Your girlfriend had her menstrual period on June 26 after taking the emergency contraceptive pill, which is normal. Her previous period was on May 21, resulting in a 36-day cycle, indicating that her menstrual cycle is not very regular, as the typical cycle is arou...

How Long After Missing Birth Control Pills Can You Have Unprotected Sex?

If you miss two days of taking the birth control pill before starting the second pack, it is recommended to use an additional form of contraception, such as condoms, for at least 7 days after resuming the pill to ensure effective pregnancy prevention? The menstrual period was fro...

Dr. Huang Shenggang Reply:
Hello, Thank you for your question. Since you did not mention the name of the contraceptive pill you are taking, I cannot provide a precise response. If you are using a 21-pill pack, you should stop taking the pills for 7 days and then continue with a new pack. If you are using...

Potential Risks of Overusing Birth Control Pills: What You Need to Know

Overdose of contraceptive pills? Hello, doctor. There are several days in a month when I mistakenly think I haven't taken my birth control pill after I've already taken it, which causes me to panic and take an extra one. I have a backup pack of birth control pills, so I...

Dr. Hou Fangmin Reply:
Hello, Miss: 1. Drospirenone 3mg/ethinyl estradiol 0.03 is a 21-tablet single dosage form. If you forget to take a contraceptive pill, you should take it as soon as you remember. If you miss one day, take two pills the next day at your regular time. If you miss two days, take t...

Do Licorice and Sour Plums Affect Birth Control Pill Effectiveness?

Interactions between contraceptive pills and substances like licorice and preserved plums? Hello, I would like to ask if consuming dried plums and licorice-containing snacks, such as Xian Zha tablets, during the use of pre-exposure contraceptive pills (like "Yue Ji") wi...

Dr. Huang Shenggang Reply:
Dear Miss Spa, Upon reviewing the package insert for the medication, it only warns that co-administration with drugs that have microsomal enzyme induction properties may result in interactions, potentially increasing the clearance rate of sex hormones and possibly leading to br...

Understanding Pre-Contraceptive Pills: Timing and Effectiveness

Emergency contraceptive pill If you start taking the contraceptive pill about a week before ovulation, is that effective enough? When is it most effective for contraception? Do I need to take emergency contraception as well? Thank you!

Dr. Hou Fangmin Reply:
Hello Tiffany: To effectively suppress the hypothalamic-pituitary-ovarian axis for reliable contraception, it is essential to take the birth control pill continuously for 7 days without interruption. Starting the pill a week before your ovulation period may not provide adequate c...

Understanding Emergency Contraceptive Pills: Usage and Safety Tips

Emergency contraceptive pill use/medication consultation Hello, doctor! My girlfriend purchased the contraceptive pill (Wenbunin T/28) and according to the instructions, she started taking it on the fifth day of her menstrual cycle, with the first pill taken on March 11. I would ...

Dr. Hou Fangmin Reply:
Dear Mr. Zeng Yuxing, 1. Hormonal contraceptive pills typically come in a pack of 21. However, since there is a seven-day break, some individuals may forget to take their next month's pills. To address this, some products include an additional 7 iron supplements, making a t...

Do Antiepileptic Drugs Affect the Efficacy of Emergency Contraceptives?

Interactions between antiepileptic drugs and emergency contraceptives? Hello Doctor: Today during intercourse, the condom accidentally slipped off, so I quickly took the emergency contraceptive pill (Levonorgestrel). I am currently taking two antiepileptic medications, Levetirace...

Dr. Hou Fangmin Reply:
Hello Johanna: 1. The interaction between emergency contraceptive pills (Levonorgestrel) and Levetiracetam, Lamotrigine. Answer: Concurrent use of Lamotrigine and combination contraceptives may result in decreased lamotrigine plasma concentrations, meaning it could affect the eff...

Do Cold Medications Affect the Efficacy of Birth Control Pills?

Interactions of Emergency Contraceptive Pills I apologize for the inconvenience, but I would like to ask the pharmacist to take a moment to respond to my question. Thank you! I would like to inquire whether the following cold medications (for three days) will affect the efficacy ...

Dr. Hou Fangmin Reply:
Hello Lin Feng: 1. Cold medications that cause nasal discharge and pain relief, anti-inflammatory, anti-edema, and expectorant medications may affect the efficacy of contraceptive pills. It’s best to avoid those medications I mentioned to you before. Wishing you a Happy New Year,...

Can I Resume Taking Emergency Contraceptive Pills After Missing a Dose?

Emergency contraceptive pill Hello doctor, I have been taking the 21-day contraceptive pill for about six months before stopping for two months. This month, I plan to start taking the same 21-day pill again, but I forgot to take it on the first day of my period (October 14). Can ...

Dr. Hong Kunyi Reply:
Hello, Miss: Different types of oral contraceptives have varying instructions for initiation; some are taken on the first day of menstruation, while others are taken on the fifth day, and some can be taken on either the first or fifth day. Please refer to the package insert for d...

Understanding the Use of Emergency Contraceptive Pills: FAQs and Concerns

28-tablet oral contraceptive pill Your girlfriend's menstrual period started on the evening of November 30 and ended around December 5. She purchased a 28-day oral contraceptive pill pack and took the first pill on the evening of December 10 at 10:30 PM, continuing to take t...

Dr. Hong Kunyi Reply:
Hello, sir: After discussing with Dr. Li from the Department of Obstetrics and Gynecology, I would like to provide the following advice. Response to Question 1: The timing for taking the first pill of different brands of contraceptive pills varies, generally ranging from 1 to 5...

Effects of Emergency Contraceptive Pills on Men: What You Need to Know

Emergency contraceptive pill If a male takes emergency contraceptive pills, it is unlikely to have any significant effects, as these medications are designed for use by females to prevent pregnancy after unprotected intercourse. The active ingredients in emergency contraceptive p...

Dr. Hong Kunyi Reply:
Hello: If a male accidentally ingests an emergency contraceptive pill, which contains a high dose of progestin, it is generally not a cause for concern. However, common side effects may include dizziness, headache, nausea, vomiting, abdominal pain, fatigue, muscle aches, and back...

Can Birth Control Pills Help with PCOS? Side Effects and Timing Explained

Gynecological medications Hello, doctor! I would like to ask about my girlfriend who has polycystic ovary syndrome (PCOS). Is it possible for her to take oral contraceptive pills for contraception? What are the side effects of oral contraceptive pills? If it is possible, when is ...

Dr. Hou Fangmin Reply:
Hello Mr. Ahan: 1. Can women with Polycystic Ovary Syndrome (PCOS) take oral contraceptives? Yes, they can. Oral contraceptives are composed of two female hormones, namely estrogen and progestin, which work together to prevent pregnancy. Second and third-generation formulations ...

Do Antibiotics Affect Birth Control Pills? Understanding Drug Interactions

Interactions of emergency contraceptive pills with other medications? Hello, I have been taking the contraceptive pill for three months. This month, during a seven-day break, I took medication for urinary tract infection for three days, which included dolcol, acetaminophen, and g...

Dr. Chen Yuemei Reply:
Hello: Based on the information reviewed, the medication you are taking for urethritis will not affect the effectiveness of your birth control pills, regardless of whether they are taken together or not.

Understanding Synna Tablets: Are They Birth Control or Hormone Regulators?

Menstrual regulation medication issues? Hello, pharmacist: Due to irregular menstrual cycles over the past few months, my doctor prescribed me a 21-day supply of Synna tablets and advised me to start taking the first pill on the fifth day of my period. The doctor also asked if I ...

Dr. Liao Lingmei Reply:
Hello: Taking Synna tablets mimics the normal hormonal secretion of the female physiological cycle, allowing the body to have a regular hormonal cycle. The difference from contraceptive pills lies in the dosage of the medication. Hormonal medications can have teratogenic effects,...

Understanding Emergency Contraceptive Pills: Safety and Effectiveness

Emergency contraceptive pill Since last month, I have taken one and a half packs of emergency contraceptive pills, consistently and without missing any doses. Is my last menstrual period considered withdrawal bleeding? After finishing the 21 pills, can I have unprotected intercou...

Dr. Hou Fangmin Reply:
Hello Ms. Hong: The withdrawal bleeding after taking the medication is indeed your menstrual period. Since you have been taking the contraceptive pills on time and have not taken any other medications that could interact, the contraceptive effectiveness is very high, and the like...

Understanding Emergency Contraceptive Pills: Delayed Menstruation Concerns

Emergency contraceptive pill Your girlfriend's menstrual period started around August 11 and ended around August 18. On August 20, they had sexual intercourse (with a condom), but the condom slipped off, and it is uncertain if there was any ejaculation inside. On August 21, ...

Dr. Hong Kunyi Reply:
Hello: After discussing with the obstetrician-gynecologist at our hospital, here are a few points for your reference: (1) If emergency contraception is taken within 24 hours, the effectiveness is generally quite good. (2) Taking emergency contraception can easily cause irregular ...

Understanding Emergency Contraceptive Pills: Efficacy and Usage Questions

Emergency contraceptive pill Hello, I started taking the contraceptive pill Yuji on July 16. I took the first pack and on July 20, I took the pill an hour early. I forgot to take a pill on July 26 but took it four hours later. I had unprotected intercourse with my boyfriend from ...

Dr. Chen Yuemei Reply:
Hello: 1. According to the instructions, if you take the missed dose within 12 hours, the contraceptive effect will not be diminished. Taking the pill one hour early will not affect its contraceptive efficacy. 2. Withdrawal bleeding after stopping the medication is considered a m...

Can You Drink Alcohol While Taking Emergency Contraceptive Pills?

Can I drink alcohol while taking emergency contraception? Hello, doctor. I have been taking oral contraceptives consistently. After my period ended, I had a sip of red wine one night and took my usual oral contraceptive about one to two hours later. 1) Will the effectiveness of t...

Dr. Liao Lingmei Reply:
Hello: Currently, 1. there is no data on the effects of alcohol on pre- or post-coital contraceptive pills; 2. alcohol interacts with many medications, and when alcohol is taken in conjunction with these drugs, effects can occur regardless of whether it is taken before or after m...

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