The National Women's Health Information Center lists these common causes of urinary tract infections in women: 1  Wiping from back to front after a bowel movement. 2  Having sex. 3  Holding urine for too long.  Being 1  diabetic. Having a kidney stone or other factor that makes it difficult to urinate.  Producing less estrogen, such as after menopause.
However, the estrogen hormones in Premarin Vaginal Cream may decrease the production and quality of breast milk. It is for this reason that estrogen-containing medications (including Premarin Vaginal Cream and many birth control pills) are not usually recommended for women who are breastfeeding.
Is Mucinex (guaifenesin) safe during pregnancy? Mucinex (generic name guaifenesin) is an oral cough, cold, sinus and allergy medication, expectorant and decongestant usually considered safe in the second and third trimesters. However, the over-the-counter drug should be avoided in the first trimester due to potential risks to the growing fetus [1].