Pregnancy Breastfeeding And Fertility While Taking Diltiazem

Diltiazem and pregnancy

You can use diltiazem during pregnancy, although it's not usually recommended.

If you're taking diltiazem to treat high blood pressure, you might be switched to a different medicine if you're pregnant.

If you're taking diltiazem for angina or heart rhythm problems, you should be reviewed by a pregnancy specialist (obstetrician) and a heart specialist (cardiologist). Keep taking diltiazem until you've had your review.

If you're using diltiazem to treat anal fissures, speak to your doctor who may suggest an alternative medicine.

Diltiazem and breastfeeding

If your doctor or health visitor says your baby is healthy, you can take diltiazem while breastfeeding.

There is not much information about using diltiazem while breastfeeding, but some information shows that it passes into breast milk in tiny amounts. It's unlikely to harm your baby. However, your doctor might suggest an alternative medicine that we know more about.

If you use the cream or ointment, make sure that you've washed your hands before picking up your baby.

If you do breastfeed while taking diltiazem and you notice that your baby is not feeding as well as usual, seems unusually sleepy, looks paler than usual, or if you have any other concerns about your baby, then talk to your health visitor midwife, pharmacist or doctor as soon as possible.

Diltiazem and fertility

Diltiazem may affect male fertility. There's no evidence that diltiazem affects fertility in women.

If you're trying for a baby, or having problems getting pregnant while taking diltiazem, then speak to your doctor.

Tell your doctor if you're:

• trying to get pregnant
• pregnant
• breastfeeding

Find out more about how diltiazem and other calcium channel blockers can affect you and your baby during pregnancy on the Best Use of Medicines in Pregnancy (BUMPS) website.

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