Im 17 weeks pregnant and I have a severe cold, is it safe to take tyleno cold day/night medicine?

Reg Tylenol and cold
If you have pain during pregnancy, you may take Tylenol or acetaminophen up to 2 tablets or 650 mg every 4 hours. Do not take aspirin during your pregnancy unless instructed to do so by your physician. Aspirin may cause problems with blood clotting and cause other problems during labor and delivery. Do not take ibuprofen (Advil) unless instructed by your physician, especially in the last 3 months of your pregnancy. If a headache persists for more than 24 hours, you should call your physician.
You should pay particular attention to the label on any over-the-counter medicines. Many Tylenol-brand medicines (Tylenol Cold and Cough, Tylenol Sinus, etc) can contain ingredients other than acetaminophen. You should consult with your physician before taking anything other than regular Tylenol.

I remember my docotor told me I could take tylenol but nothing else.

I would ask your doctor to see what they say but mine told me it was fine in moderation. Like once a day to just have some relief, but not constant, like the every 4 to 6 hours like the directions say. So I usually just took it at night so I could breath while I went to sleep.

I was allowed to take regular Sudafed and Robitussin while I was pregnant when I got a nasty cold. I took Sudafed during the day, then Robitussin and regular Tylenol at night (to keep the pain and coughing down). I agree that you ought to ask your doctor, because all of those brands have many formulas, and only some are safe (like my doctor said to only take regular Sudafed, no others).

Always speak to your doctor, do not take anything until you speak to an professional. You never know what could go wrong.

When I had my cold at the beginning of this pregnancy they told me any Tylenol product or Sudafed or Benadryl and that's it.