Others can cause problems during early or late pregnancy. If you have a fever, you can safely take acetaminophen in the doses recommended on the package. Do not take it for more than 3 days without consulting your health care provider. Avoid taking aspirin. For heartburn, ask your health care provider what antacids you are allowed to take.
Most antacids are safe.
Don't take too much of these drugs because they can cause constipation. To relieve hemorrhoids, you can use Preparation H. Ask your health care provider before you take any drug for a headache, cold, cough, or diarrhea. He or she can tell you what is most likely to be safe and effective for you and your baby. Any alcohol you drink goes into your bloodstream and then through the placenta and into your baby's bloodstream. Pregnant women who drink alcohol risk having a child with birth defects.