Congratulations on your BFP. Some how I got a little confused earlier... I am blaming the hormones. I have been taking Rolaids. Bradford Clinic has this posted on their site:
Medications During Pregnancy
The following is a list of drugs commonly asked about during pregnancy. While no drug is guaranteed to be 100% safe, the following are considered to be safe when taken properly for the listed indications. This list is not comprehensive and any questions or concerns about any medications should be directed to the OB nurses or physicians. Likewise, if you have any chronic medical conditions (e.g. hypertension) please consult the OB nurses or physicians before taking and medications.
Common Cold and Head Congestion
Tylenol (regular or extra strength)
Sudafed Decongestant
Sinutab (regular strength)
Actifed (regular strength)
Sine-Aid
Chlortrimeton
Tylenol Allergy Sinus
Benadryl
Thera-flu
Tylenol Cold
Tylenol Flu
Tylenol Sinus Nite-time
Claritin
Claritin-D
Cough
Robitussin (plain, DM or CF)
Triaminic
Delsym
Cough drops (Halls, etc.)
Sore Throat
Tylenol
(regular or extra strength) Chloraseptic Spray
Cepacol Throat Lozenges
Nausea
Emetrol
Dramamine
Sea Bands
Sleep/Insomnia
Tylenol PM
Benedryl
Unisom
Indigestion/Heartburn
Rolaids
Tums
Mylanta
Maalox
Zantac
Pepcis AC
Diarrhea
Immodium AD
Kaopectate
Donnagel
Constipation
Metamucil
Hydrocil
Dialose Plus
FiberCon
Citracil
Colace
Benefiber
Gas
Gas-X
Lactaid
Phazyme
Hemorrhoids
Anusol HC
Preperation H
Tucks pads
Headache
Tylenol
(regular or extra strength)
Leg Cramps
Tums
But, if you are worried call your nurse. I had heartburn all weekend as well.
ckl,
so your ultrasound is Monday...? ahh. that does seem far away!! i can not wait to hear how many!??

Sassy,
When is your official test?