Gonal-F 75 IU injection treats female infertility by releasing eggs from the ovary and male hypogonadism by increasing levels of testosterone. The dose of this medication is to be taken only under the supervision of a doctor. Complete the full course of the medication as prescribed by the doctor. The side effects that most commonly encountered are headache, breast swelling in males and acne. Before you start the course of this medication, make your doctor aware about any past incidence of a heart disease, ovarian cyst or a thyroid gland disorder. Also inform your doctor about any medications that you have taken in the past, and about your pregnancy and lactation. Avoid alcohol consumption to see better results.