Captopril (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

• Chest pain
• Cloudy urine
• Fast, pounding, or irregular heartbeat or pulse

• Arm, back, or jaw pain
• Bloody urine
• Chest discomfort
• Chest tightness or heaviness
• Decreased blood pressure
• Decreased or increased frequency or amount of urine
• Dilated neck veins
• Increased thirst
• Irregular breathing
• Large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• Loss of appetite
• Low blood pressure
• Lower back or side pain
• Nausea
• Paleness or cold feeling in fingertips and toes
• Sweating
• Swelling of face, fingers, feet, or lower legs
• Tingling or pain in fingers or toes when exposed to cold
• Troubled breathing or wheezing
• Unusual tiredness or weakness
• Vomiting
• Weight gain

• Bleeding gums
• Bloody, black, or tarry stools
• Blurred vision
• Chills
• Confusion
• Cough
• Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
• High fever
• Painful or difficult urination
• Pale skin
• Pinpoint red spots on skin
• Sore throat
• Sores, ulcers, or white spots on lips or in mouth
• Swollen glands
• Unusual bleeding or bruising

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Change in taste
• Feeling of warmth
• Itching skin
• Loss of taste
• Rash
• Redness of the face, neck, arms, and occasionally, upper chest

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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