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Nausea and Vomiting during Pregnancy

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NVP: Nausea and Vomiting during Pregnancy


You were excited to learn that you were pregnant, but has nausea and vomiting (NVP) affected how you feel?


Since 50% to 80% of pregnant women experience nausea and vomiting during pregnancy, it is incorrectly perceived as being normal, and their symptoms are not taken seriously.


It is natural to want to experience this special time without any complications. Early diagnosis and treatment of NVP will stop your symptoms from getting worse so that you can fully enjoy your pregnancy.



Common symptoms in early pregnancy 

NVP is sometimes incorrectly referred to as "morning sickness." However, it can appear at any time of day, and even last all day. Women experience NVP in various degrees, generally starting at 4 to 6 weeks of pregnancy, peaking at 7 to 12 weeks and ending at 16 weeks. Unfortunately, in about 10% of pregnancies, NVP can last longer, sometimes until delivery.

Even in mild cases, you should discuss the following symptoms with your doctor:

  • Nausea
  • Vomiting
  • Heartburn
  • Dehydration



Severe nausea and vomiting

Acute cases of NVG can result in hyperemesis gravidarum (HG), or severe vomiting. HG occurs in approximately 1% of pregnancies and causes persistent vomiting resulting in dehydration and weight loss. In such cases, hospitalization may be required.

See a doctor if you have any signs or symptoms of dehydration.


Dehydration signs and symptoms

  • Extreme fatigue
  • Dry mouth
  • Reduced urination
  • Confusion



How to reduce nausea

Dietary and lifestyle changes should be considered first when treating NVP. When these are not effective, medication should also be considered.

There is no evidence that dietary deficiencies during the early weeks of pregnancy will have long-term consequences on pregnancy outcome. Other than in cases of severe malnutrition, the body will provide adequate nutrition to the fetus, sometimes at the expense of the mother’s nutritional needs.




  • • Eat smaller meals more frequently, every 2 to 3 hours.
  • • Don’t skip meals. It is important to intake enough food and fluids to avoid aggravating your condition.
  • • Stand up slowly and do not lie down right after eating.  
  • • Eat dry crackers 15 minutes before getting out of bed.
  • • Avoid drinking when you eat. Drink 30 minutes before or after your meal.
  • • Drink approximately 8 glasses of liquid during the day to avoid becoming dehydrated.
  • • Eat what you want when you want, even if you are craving things that are not part of your regular diet.
  • • Avoid spicy, fatty and fried foods.
  • • Salty food such as pretzels may help settle your stomach enough to eat a meal.
  • • Try eating cold food rather than hot, since cold food has less odour.
  • • Avoid strong odours. Ventilate your kitchen well. If possible, ask for help to prepare your meals.
  • • Smelling lemon or ginger can help certain women.


Natural products

“Natural products” have been used for a long time during pregnancy, since they are often considered safe. However, these products are not regulated by government agencies as prescription medications are. In fact, very few of these products have been studied scientifically for use in pregnancy. You should always discuss the use of any natural products during pregnancy with a health care professional before taking them.



  • • NVP can get worse when you are overly tired. Try to rest more often and take naps during the day.
  • • Get a lot of fresh air and avoid hot places.



Diclectin® has been used for more than 30 years and is the only medication for nausea and vomiting specifically indicated to manage NVP in any trimester of pregnancy. It is recommended by several organisations such as the Society of Obstetricians and Gynaecologists of Canada (SOGC) and The Hospital for Sick Children in Toronto (Motherisk program).



Pharmacy services

You don’t have to put up with NVP. You can benefit from treatments that have been proven to be safe and effective without feeling guilty. Early diagnosis and treatment of NVP will help you continue with your daily activities and make the most of your pregnancy. 


To download the PDF brochure, click here

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