Robitussin, or any medication which contains the ingredient guaifenesin, can be taken to thin the cervical mucus. This over the counter medication is commonly found in cough syrups and is normally used to thin lung mucus. However, it has the side effect of thinning cervical mucus as well. While Robitussin does not create additional cervical fluids, it makes the cervical fluids that are present become thinner and thus seem more abundant.
The dosage ranges from 2 teaspoons taken two times a day to a dosage of 4 teaspoons taken four times a day. Dosage should not exceed the maximum dosage listed on the product's label. The administration of Robitussin should begin approximately 5-7 days prior to the date that ovulation is expected. The product should be taken with a glass of water, as it takes fluids to produce fluids, and water intake is an often overlooked factor in the production of cervical fluid.
The guaifenesin product should not contain any additional ingredients such as decongestants or antihistimines, as these additional ingredients may counter the beneficial effects of the Robitussin.
Antihistimines are known to dry up cervical fluids and should not be taken close to ovulation, either alone or in guaifenesin products.
Additionally, Robitussin should be discontinued after ovulation has occurred, as there is a very slight chance that the Robitussin may effect a developing embryo.
Robitussin may possibly have some beneficial effects on semen by thinning out semen that is thicker than is desired.
Robitussin is often used in conjunction with clomid, as one possible side effect of clomid is to decrease cervical fluids.