Side Effects

<p ><a href="http://www.webmd.com/digestive-disorders/digestive-diseases-constipation" crosslinkid="5614" keywordsetid="1029" externalid="091e9c5e80009223" keywordid="7161" chronic_id="091e9c5e80009223" directive="friendlyurl" object_type="wbmd_pb_page" >Constipation</a>,&nbsp;<a href="http://www.webmd.com/digestive-disorders/digestive-diseases-diarrhea" crosslinkid="5461" keywordsetid="1090" externalid="091e9c5e80007ea0" keywordid="7253" chronic_id="091e9c5e80007ea0" directive="friendlyurl" object_type="wbmd_pb_page" >diarrhea</a>, stomach cramps, or upset stomach may occur. These effects are usually temporary and may disappear as your body adjusts to this medication. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.

Iron may cause your stools to turn black, an effect that is not harmful.

If your doctor has prescribed this drug, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious&nbsp;<a href="http://www.webmd.com/allergies/tc/allergic-reaction-topic-overview" crosslinkid="49042" keywordsetid="8026" externalid="091e9c5e8001e7cd" keywordid="30828" chronic_id="091e9c5e8001e7cd" directive="friendlyurl" object_type="wbmd_pb_page" >allergic reaction</a>&nbsp;to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:<a href="http://www.webmd.com/skin-problems-and-treatments/tc/rash-age-12-and-older-topic-overview" crosslinkid="48338" keywordsetid="1787" externalid="091e9c5e8001e47b" keywordid="8192" chronic_id="091e9c5e8001e47b" directive="friendlyurl" object_type="wbmd_pb_page" >rash</a>,&nbsp;<a href="http://www.webmd.com/skin-problems-and-treatments/guide/default.htm" crosslinkid="127" keywordsetid="9069" externalid="091e9c5e8003880e" keywordid="36800" chronic_id="091e9c5e8003880e" directive="friendlyurl" object_type="wbmd_pb_page" >itching</a>/swelling (especially of the face/tongue/throat), severe&nbsp;<a href="http://www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-topic-overview" crosslinkid="48875" keywordsetid="1108" externalid="091e9c5e8001e545" keywordid="7284" chronic_id="091e9c5e8001e545" directive="friendlyurl" object_type="wbmd_pb_page" >dizziness</a>,&nbsp;<a href="http://www.webmd.com/lung/breathing-problems-causes-tests-treatments" crosslinkid="58314" keywordsetid="10390" externalid="091e9c5e8026fa00" keywordid="42644" chronic_id="091e9c5e8026fa00" directive="friendlyurl" object_type="wbmd_pb_page" >trouble breathing</a>.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.</p>