How to tell if it's really bad morning sickness or hyperemesis gravidarum?

No difference. The definition of hyperemesis is not well defined. Generally if you are not able to tolerate oral intake you need to be evaluated by your doctor.

Related Questions

How to tell if I am suffering from hyperemesis gravidarum (severe morning sickness)?

By severity. The changes in your hormones and body chemistry frequently leads to nausea and vomiting with pregnancy. There are three ways to identify HG from normal. 1 If you are not getting nutrition and losing weight. 2 If you are having other problems such as vomiting blood or pain. 3 If the HG is so severe that you are having trouble tolerating it, Try delaying breakfast an eating multiple small meals.
See your physician. Hello Biogirll, If you believe your morning sickness is severe, you should see your physician. If not, you should still mention it at your next visit. Seek medical attention if you have any of the following: inability to hold down any food (or drinks especially), multiple episodes of vomiting per day (not just in the morning), light headedness, infrequent or minimal urination.
Pregnant and sick. If you are pregnant and usually less than 20 weeks pregnant and have unrelenting nausea and vomiting you could have hyperemesis gravidarium. You should see your OB but it may resolve by 20 weeks.
Are you pregnant? 3 questions: Are you pregnant? Are you vomiting all day long? Have other causes of vomiting besides pregnancy been ruled out? If the answer is yes to all 3, you have hyperemesis.