Interactions Between Birth Control Pills and Other Medications - Obstetrics and Gynecology

Share to:

Interactions between contraceptive pills and other medications?


Hello, I recently started taking the oral contraceptive Lunar and I take it before bed.
I have been taking Mocalm 1# QD HS (Flupentixol 0.5mg) and Clonopam 0.5# QD HS (Clonazepam 0.5mg) for about 3 years.
I would like to know if this medication regimen could affect the effectiveness of the contraceptive or if there are any drug interactions.
Thank you, doctor!

Luó, 20~29 year old female. Ask Date: 2022/06/19

Dr. Huang Zifei reply Obstetrics and Gynecology


Dear Rose,
There are no significant interactions between the Lunar contraceptive pill and these two medications, so please continue taking them.
However, please note that contraceptive pills do not provide 100% effectiveness.
It is advisable to use condoms in conjunction with the contraceptive pill to enhance contraceptive efficacy.
If you have any other questions, please consult a gynecologist.
Dr.
Huang Zifei, Department of Obstetrics and Gynecology, Nantou Hospital

Reply Date: 2022/06/19

More Info


When considering the interactions between birth control pills, such as Lunar, and other medications like Mocalm (Flupentixol) and Clonopam (Clonazepam), it is essential to understand how these drugs may affect each other and the efficacy of the contraceptive.

Birth control pills, including Lunar, primarily work by delivering hormones that prevent ovulation, thicken cervical mucus, and thin the uterine lining. The effectiveness of these pills can be influenced by various factors, including interactions with other medications.

1. Flupentixol (Mocalm): Flupentixol is an antipsychotic medication that belongs to the thioxanthene class. Generally, there are no significant interactions reported between Flupentixol and hormonal contraceptives like Lunar. Therefore, taking Flupentixol should not compromise the effectiveness of your birth control pills.

2. Clonazepam (Clonopam): Clonazepam is a benzodiazepine used primarily for anxiety and seizure disorders. Similar to Flupentixol, there are no well-documented interactions between Clonazepam and hormonal contraceptives. Thus, it is unlikely that Clonazepam would affect the efficacy of your birth control pills.

However, it is crucial to consider the following points:
- Individual Variability: While general interactions may not be significant, individual responses to medications can vary. Factors such as metabolic rate, liver function, and overall health can influence how drugs are processed in the body.

- Potential Side Effects: Both Flupentixol and Clonazepam can cause sedation and dizziness. If you experience increased drowsiness or other side effects, it is essential to discuss these with your healthcare provider. They may consider adjusting dosages or exploring alternative medications.

- Other Medications: It is important to be aware of other medications you may be taking. Certain antibiotics (like rifampicin) and anticonvulsants (like phenytoin) are known to reduce the effectiveness of hormonal contraceptives. Always inform your healthcare provider about all medications you are taking to assess potential interactions.

- Lifestyle Factors: Additionally, lifestyle factors such as smoking can increase the risk of cardiovascular side effects when taking hormonal contraceptives. It is advisable to avoid smoking to maintain the safety and efficacy of your birth control method.

In conclusion, based on the current understanding of drug interactions, taking Lunar with Mocalm and Clonopam should not lead to a loss of contraceptive efficacy. However, it is always best to maintain open communication with your healthcare provider regarding any concerns or side effects you may experience. Regular follow-ups can help ensure that your medication regimen remains safe and effective. If you have any further questions or if your situation changes, do not hesitate to reach out to your healthcare provider for personalized advice.

Similar Q&A

Interactions Between Birth Control Pills and Other Medications: What You Need to Know

I originally visited the obstetrics and gynecology department, and the doctor prescribed me these three medications: 1. Ediol F.C. Tab (Estradiol 1mg, one tablet daily) 2. Wanse S.C. Tablets (one tablet in the morning and one in the evening) 3. Norina (one tablet after each meal)...


Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the following medications may interact with oral contraceptives: 1. Antibiotics (Penicillin, Cephalosporins, Erythromycin, Sulfonamides, Bactrim, Chloramphenicol) - Doxycycline can reduce the effectiveness of oral contraceptives, as it may decrease the gut flora that aid...

[Read More] Interactions Between Birth Control Pills and Other Medications: What You Need to Know


Do Common Medications Interact with Birth Control Pills?

Hello Doctor: I recently had a minor surgery on my foot, and the dermatologist prescribed me the following medications: 1. Cefadroxil CAPSULE 2. Acetaminophen 3. TREN CAPSULES 4. Cimetidine TABLETS. I would like to know if these medications will interact with my birth control pil...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, no impact. Wishing you good health.

[Read More] Do Common Medications Interact with Birth Control Pills?


Do Allergy Medications Interact with Birth Control Pills?

Is there any interaction between Brikemin tablets (5 mg simethicone and prednisolone) and Mesitran? Will it affect the contraceptive effectiveness of Mesitran? Thank you.


Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the following medications may interact with oral contraceptives: 1. Antibiotics (Penicillin, Cephalosporins, Erythromycin, Sulfonamides, Bactrim, Chloramphenicol) - may reduce the gut flora that aids in absorption, thereby decreasing the effectiveness of contraceptives. 2....

[Read More] Do Allergy Medications Interact with Birth Control Pills?


Do These Medications Interact with Birth Control Pills?

Today I visited a dermatologist, and the doctor prescribed the following medications for me. I forgot to mention during the consultation that I have been taking oral contraceptives (Aivy coated tablets) for a long time, and I am concerned about potential drug interactions, so I a...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it generally does not have an impact, so don't worry. Wishing you good health.

[Read More] Do These Medications Interact with Birth Control Pills?


Related FAQ

Drug Interactions

(Obstetrics and Gynecology)

Birth Control Pills

(Obstetrics and Gynecology)

Contraceptive Pill

(Obstetrics and Gynecology)

Menstrual Regulation Medication

(Obstetrics and Gynecology)

Oral Contraceptives

(Pharmacology)

Ovulation Medication

(Obstetrics and Gynecology)

Medication To Induce Menstruation

(Obstetrics and Gynecology)

Medication Consultation

(Obstetrics and Gynecology)

Medication To Delay Menstruation

(Obstetrics and Gynecology)

Drug Side Effects

(Obstetrics and Gynecology)