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Pregnancy

clomprimine and pregnancy

2 replies

mummytopebs · 02/03/2009 23:43

I am currently on clomprimine for irrational thoughts and anxiety, i have been on this for 2 years since having a nervous breakdown. I have tried to come off it but the fears return so gp says i will be on it longterm. I have one dd who is coming up 4 (concieved before on meds) and want another child. I had 2 mc last year and have just plucked up the courage to try again, i was wondering if anyone has had a successful pregnancy on clomprimine cos i am worried this is what made me miscarry, and it will happen again.

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kizzie · 03/03/2009 10:26

Hi - here is some info re. Clomipramine (and other tricyclic anti depressants) in pregnancy. I think you need to go back to your gp and ask for further advice re. use of the medication in pregnancy and whether this is the best one for you to take. Good Luck! :

www.choiceandmedication.org.uk/en/medications/85/

What if I want to start a family or discover I'm pregnant whilst taking tricyclics? It is important to consider that there will be a risk to you and your child from taking a medicine during pregnancy but also a possible risk from stopping the medicine e.g. getting ill again. Unfortunately, no decision is risk-free. It will be for you to decide which is the least risk. All we can do here is to help you understand some of the issues, so you can make an informed decision. For your information, major malformations occur "spontaneously" in about 2-4% of all pregnancies, even if no drugs are taken. The main problem with medicines is termed "teratogenicity" i.e. a medicine causing a malformation in the unborn child. A medicine causing teratogenicity is called a "teratogen". Since a baby has completed it's main development between days 17 and 60 of the pregnancy (the so-called "first trimester") these first 2-16 weeks are the main concern. After that, there may be other problems e.g. some medicines may cause slower growth. The infant may also be affected after birth e.g. withdrawal effects are possible with some drugs.

If possible, the best option is to plan in advance. If you think you could become pregnant, discuss this with your doctor and it may be possible to switch to medicines thought to carry least risk, and take other risk-reducing steps e.g. adjusting doses, taking vitamin supplements etc. If you have just discovered you are pregnant, don't panic, but seek advice from your GP within the next few days if possible. He or she may also want to refer you on to someone with more specialist knowledge of your medicine.

Very few medicines have been shown to be completely safe in pregnancy and so no manufacturer or advisor can ever say any medicine is safe. They will usually advise not to take a medicine during pregnancy, unless the benefit is much greater than the risk. In the UK, there is the NTIS (National Teratology Information Service) who offer individual risk assessments. However, their advice should always be used to help you and your doctor decide what is the risk to you and your baby. There is a risk from taking the medicine and a risk should you stop a medicine e.g. you might become ill again and need to go back on the medication again. The advice offered here is just that i.e. advice, but may give you some idea about the possible risks and what (at the time of writing) is known through the medical press.

It may be helpful to know that in the USA, the FDA (Food and Drug Administration) classifies medicines in pregnancy in five groups:

A = Studies show no risk, so harm to the unborn child appears only a remote possibility

B = Animal and human studies indicate a lack of risk but are not fully conclusive
C = Animal studies indicate a risk but there is no safety data in humans
D = a definite risk exists but the benefit may outweigh the risk in some people
X = the risk outweighs any possible benefit

The tricyclics are classified as either "C" or "D" (amitriptyline "D", amoxapine "C", clomipramine "C", doxepin "C", nortriptyline "D" and trimipramine "C"). The others are not available in the USA and so are not classified. One large study showed no evidence of a teratogenic effect and no increase in spontaneous abortions, although another study showed a very slightly increased rate of problems. Animal tests show a low risk of danger but some problems have been reported and so you should seek personal advice from your GP, who may then if necessary seek further specialist advice. There have been some reports of discontinuation effects (e.g. jitteriness) in the newborn child and so it may be possible to reduce your dose a bit before your due date. A recent study has shown no evidence of any short or long-term effects on intelligence and language development, although there was a slight reduction in the length of pregnancy (by about 6 days).

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mummytopebs · 03/03/2009 16:20

thanks for that kizzy, quite interesting. I did discuss it with my gp last time and he thought the risk was greater to come off the tablets. Think i am just scared about mc again

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