Common side effects of Clomid may be abnormal vaginal bleeding
, breast discomfort, headache, and GI symptoms of nausea and vomiting
. Very rare serious side effects of Clomid include shortness of breath, seizures, stroke
, chest pain
, vision changes
, GI symptoms of pain and swelling. Ovarian hyperstimulation syndrome may occur (ovarian enlargement, severe GI symptoms, abdominal swelling
, shortness of breath, and weight gain have been reported. Patients should seek medical care if these serious symptoms develop. Often breast swelling
and tenderness is mistaken for weight gain.