I'm not preggo, but I suffer from bad allergies. Allergies nor Zyrtec work for me anymore. I just ordered these on Amazon last night, they have really good reviews. Maybe this may work for you? Amazon: Breathe-X - Allergy & Sinus Relief Supplement - Supports Sinuses & Nasal Discomfort - Non-Drowsy & Fast-Acting - Quercetin, Bromelain, Citrus Bioflavonoids, Nettle Leaf & Vitamin C - 90 Capsules
Allegra nor Zyrtec***
The doctor suggested flonase to me.
Nasal wash such as neti poti.