What side effects may I notice from receiving Estring?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breast tissue changes or discharge
-signs and symptoms of a blood clot such as breathing problems; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the leg; trouble speaking; sudden numbness or weakness of the face, arm or leg
-signs and symptoms of infection like fever or chills; vomiting; diarrhea; muscle pain; dizziness; or a red, sunburn-like rash on face and body
-signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin
-symptoms of bowel blockage like constipation, abdominal swelling, abdominal pain, inability to pass gas or have a bowel movement
-symptoms of vaginal infection like itching, irritation or unusual discharge
-unusual or increased vaginal bleeding
-vaginal pain or soreness, redness, swelling

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-breast tenderness
-fluid retention
-hair loss
-headache
-nausea
-upset stomach
-vaginal spotting

This list may not describe all possible side effects for Estring. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.