Toxic effects accompanying acute overdosage of Clomid have not been reported. Signs and symptoms of overdosage as a result of the use of more than the recommended dose during Clomid therapy include nausea, vomiting, vasomotor flushes, visual blurring, spots or flashes, scotomata, ovarian enlargement with pelvic or abdominal pain. (See Side Effects. Stomach upset, bloating, abdominal/pelvic fullness, flushing ( hot flashes ), breast tenderness, headache, or dizziness may occur. If any of these effects persist or worsen, notify. Clomid is a popular brand name and nickname for generic clomiphene citrate. It’s an oral fertility medication approved by the U.S. Food and Drug Administration (FDA) for use in women who are. Clomid Side Effects Can Cause Birth Defects. A study of Clomid (clomiphene-citrate) conducted by the Centers for Disease Control and Prevention (CDC) links the drug, Clomid, to significantly increased risks for numerous, serious birth defects, including cleft lip and palate. SIDE EFFECTS Clinical Trial Adverse Events. CLOMID, at recommended dosages, is generally well tolerated. Adverse reactions usually have been mild and transient and most have disappeared promptly after treatment has been discontinued. Clomid's side effects aren't so bad, as far as fertility drugs are concerned. The most common side effects are hot flashes, breast tenderness, mood swings, and nausea. The most common side effects are hot flashes, breast tenderness, mood swings, and nausea. About Clomid. In men, Clomid also acts as a partial anti-estrogen, and may be used to counter some of the side effects of aromatizable steroid use including gynecomastia and increased water retention. Clomid (clomiphene) is used to stimulate ovulation when the ovaries can produce a follicle but hormonal stimulation is deficient. Includes Clomid side effects, interactions and indications. Clomid treatment has some potential for adverse effects. Side effects are definite cons of clomiphene use. Adverse effects are seen in some, but not all women using the drug. Side effects are definite cons of clomiphene use. Clomiphene (Clomid) is a drug prescribed to stimulate ovulation in women with ovulatory dysfunction who are not pregnant, do not have abnormal bleeding or ovarian cysts, and have normal liver function. Side effects, drug interactions, and dosing information should be reviewed prior to taking this medication.