Here is a list that my Dr gave me at my first pregnancy check up. I hope this helps.
Allergies- Benadryl, Tavist, Robitussin Expectorant, Zyrtec, Claritin, Tylenol Sinus.
Cold/Fever- Tylenol or extra strength Tylenol: increase your fluid intake, rest in bed; report any fever greater than 100.4F.
Congestion- Benadryl, Mucinex, Tavist, Robitussin Expectorant.
Cough- Robitussin, Mucinex, Delsym*my fav*
Constipation- Colace, Fibercon, Metamucil, Milk of Magnesia, Surfax, increase natural fiber and fluids into your diet.
Diarrhea- Kaopectate, Imodium AD, clear fluids for 24 hours; no dairy products.