Lisinopril (Prinivil) is used to treat high blood pressure and can be used (with other medications) to treat heart failure. After you experience a heart attack, it can be used to improve chances of survival. Lisinopril works by decreasing the amount of chemicals in the body that tighten blood vessels (angiotensin-converting enzymes). This allows blood to flow more easily through the body and the heart to move blood more efficiently. Lisinopril comes in tablet form and is usually taken one time per day. Lisinopril must be prescribed by your doctor, and you should continue to take it even when feeling better.
Common Side Effects
Lisinopril can cause side effects. Some are more common than others. You should inform your doctor if you have any of these symptoms for a long time, or if the symptoms are severe. Common side effects include decrease in sexual ability, fatigue, nausea, diarrhea, cough, dizziness, headache, sneezing, runny nose or rash.
Serious Side Effects
Some side effects are uncommon, but serious enough that your doctor should be immediately informed if you have any. These serious side effects include: any facial swelling (throat, tongue, lips or eyes), swelling of extremities (hands, feet, ankles or lower legs), signs of infection (fever, sore throat or chills), lightheadedness/fainting, chest pain or difficulty swallowing or breathing.
Contraindications/Warnings
According to RxList.com, this drug may cause serious (sometimes fatal) liver problems. If you become jaundiced (have yellow eyes or skin) or notice dark urine, stomach pain, persistent fatigue or nausea, contact your doctor or local emergency services. RxList.com also notes that this medication is not recommended for use during pregnancy because it may harm the fetus. It is also unknown whether this drug passes through breast milk, so nursing an infant while on this medication is not recommended. Consult your doctor if you are pregnant or breast-feeding on this medication. Mayo clinic reports this medication can cause a condition called intestinal angioedema which includes swelling of the face, legs, arms, eyes, lips or tongue, or problems with swallowing or breathing. This medication may need to be stopped several days prior to having surgery or medical tests. Lisinopril can also increase the amount of potassium in your blood, so do not use salt substitutes containing potassium without checking with your doctor.
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