Can You Get Pregnant While Taking Quinine? the Risks - Internal Medicine

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Is it safe to become pregnant while taking quinine?


Hello Dr.
Tseng: I am currently suffering from Sjögren's syndrome and am taking hydroxychloroquine (Plaquenil) for treatment.
The physician treating me mentioned that taking this medication would not have side effects on pregnancy as long as I do not breastfeed.
However, I have read online that hydroxychloroquine may pose a risk of congenital malformations.
I am planning to conceive, could you please advise me on whether it is safe to become pregnant while taking hydroxychloroquine? I would greatly appreciate your help!

Li Ti, 30~39 year old female. Ask Date: 2007/08/25

Dr. Zeng Guosen reply Internal Medicine


Dear Liti: "Quinine" is classified as a pregnancy safety category "C" medication, which means it cannot be guaranteed to be absolutely safe.
While some literature suggests that it may be used during pregnancy with a low chance of side effects, it cannot be assured to be completely risk-free.
Sincerely, Dr.
Tseng Kuo-Sen, Director of Outpatient Services, Taoyuan Hospital, Department of Health.

Reply Date: 2007/08/25

More Info


When considering pregnancy while taking quinine (Plaquenil), it's essential to understand the medication's safety profile and potential risks. Quinine is primarily used to treat conditions like malaria and certain autoimmune diseases, such as lupus and rheumatoid arthritis. The safety of quinine during pregnancy is classified as category C by the FDA, which means that while there may be some evidence suggesting it could be safe, there are also potential risks that cannot be ruled out.

The concerns regarding quinine and pregnancy primarily revolve around its potential effects on fetal development. Some studies have suggested that there may be a risk of congenital anomalies associated with the use of quinine during pregnancy, but the evidence is not definitive. It is crucial to weigh the benefits of continuing treatment against the potential risks to the fetus.

If you are planning to become pregnant, it is vital to have an open discussion with your healthcare provider. They can help assess your specific situation, including the severity of your condition that requires quinine treatment, and determine whether it is safe for you to continue taking the medication during pregnancy. They may also consider alternative treatments that are known to have a better safety profile during pregnancy.

In general, if you are on quinine and planning to conceive, here are some important points to consider:
1. Consult Your Doctor: Before making any decisions, consult with both your rheumatologist or the physician managing your condition and an obstetrician. They can provide tailored advice based on your health history and the specifics of your condition.

2. Monitor Your Condition: If your condition is stable and well-managed, your doctor may suggest a plan to gradually taper off quinine before conception. This approach can help minimize any potential risks to the fetus.

3. Timing: If you decide to stop taking quinine, discuss with your doctor how long you should wait before trying to conceive. This waiting period can help ensure that the medication is fully cleared from your system.

4. Alternative Treatments: Ask your healthcare provider about alternative medications or therapies that may be safer during pregnancy. There may be other options available that can effectively manage your condition without posing significant risks to a developing fetus.

5. Lifestyle Considerations: In addition to medication management, consider lifestyle changes that can support your overall health and potentially improve your chances of conception. This includes maintaining a balanced diet, managing stress, and engaging in regular physical activity as advised by your healthcare provider.

6. Prenatal Vitamins: Discuss with your doctor the importance of prenatal vitamins, particularly folic acid, which is crucial for fetal development and can help reduce the risk of neural tube defects.

In conclusion, while quinine may not be absolutely contraindicated during pregnancy, its use should be carefully evaluated in consultation with your healthcare provider. The decision to conceive while on this medication should be made collaboratively, considering both the potential risks and the necessity of treatment for your underlying condition. Always prioritize open communication with your healthcare team to ensure the best outcomes for both you and your future child.

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