Overview
Rising pregnancy hormones are the main cause.
Severe vomiting with weight loss and dehydration (hyperemesis gravidarum) needs treatment.
Symptoms
Common signs:
- Nausea or vomiting in early pregnancy
- Pregnant or recently gave birth
Less common
- Food aversions
- Tiredness
Look up a symptom: Nausea · Pregnant or recently gave birth · Vomiting
When to get medical care
Causes
Pregnancy hormones.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Twins
- Past morning sickness
Possible complications
Diagnosis
Usually no tests are needed.
Questions you may be asked
- How often you vomit
- Can you keep fluids down?
The exam
Weight and hydration check.
Tests
Tests, if needed:
- Urine test: For dehydration.
Treatment
Small changes help most people.
Self-care
- Eat small snacks every 1 to 2 hours
- Keep crackers by the bed and eat before getting up
- Sip fluids between meals
- Try ginger tea or candies
- Avoid smells that trigger nausea
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Vitamin B6 and doxylamine | Nausea | Safe in pregnancy; ask first. |
| Anti-nausea medicines | Severe nausea | Prescription. |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Prevention
To ease it:
- Prenatal vitamins at night
- Small, frequent meals
Which doctor treats this
- Start with your primary care provider (family doctor or internist).
- They may send you to an OB-GYN or midwife; high-risk pregnancies may see a maternal-fetal medicine doctor.
Back to school, work, or sports
- Most people keep up normal school and work. Rest when you need to.
Outlook
Usually eases in the second trimester.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- Which medicine is safe for me?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Nausea and vomiting of pregnancy (morning sickness)
Sources
Last updated 2026-11-12.