Do NOT use Altace if:

• you are allergic to any ingredient in Altace
• you have a history of angioedema (swelling of the hands, face, lips, eyes, throat, or tongue; difficulty swallowing or breathing; or hoarseness) caused by treatment with an ACE inhibitor
• you are in your second or third trimester of pregnancy.

Contact your doctor or health care provider right away if any of these apply to you.

Some medical conditions may interact with Altace. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you are able to become pregnant
• if you have a history of heart problems (eg, aortic stenosis, heart failure), blood vessel problems, blood flow problems, bone marrow problems, kidney problems, certain liver problems (eg, ascites, cirrhosis), or diabetes
• if you have a history of angioedema, stroke, or recent heart attack, or you have had a kidney transplant
• if you have an autoimmune disease (eg, lupus, rheumatoid arthritis, scleroderma)
• if you are dehydrated or have low blood volume, high blood potassium levels, or low blood sodium levels, or if you are on a low-salt (sodium) diet
• if you are receiving treatments to reduce sensitivity to bee stings
• if you are on dialysis or are scheduled to have major surgery.

Some medicines may interact with Altace. Tell your health care provider if you are taking any other medicines, especially any of the following:

• Diuretics (eg, furosemide, hydrochlorothiazide) because the risk of low blood pressure may be increased
• Aldosterone blockers (eg, eplerenone), nonsteroidal anti-inflammatory drugs (NSAIDs) (eg, ibuprofen), potassium-sparing diuretics (eg, spironolactone, triamterene), potassium supplements, or trimethoprim because the risk of high blood potassium levels may be increased
• Certain gold-containing medicines (eg, sodium aurothiomalate) because flushing, nausea, vomiting, and low blood pressure may occur
• Lithium or thiopurines (eg, azathioprine) because the risk of their side effects may be increased by Altace.

This may not be a complete list of all interactions that may occur. Ask your health care provider if Altace may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

Important safety information:

• Altace may cause dizziness, lightheadedness, or fainting. These effects may be worse if you take it with alcohol or certain medicines. Use Altace with caution. Do not drive or perform other possible unsafe tasks until you know how you react to it.
• Altace may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
• Altace may cause a serious side effect called angioedema. Contact your doctor at once if you develop swelling of the hands, face, lips, eyes, throat, or tongue; difficulty swallowing or breathing; or hoarseness.
• Altace may not work as well in black patients. They may also be at greater risk of side effects. Contact your doctor if your symptoms do not improve or if they become worse.
• Dehydration, excessive sweating, vomiting, or diarrhea may increase the risk of low blood pressure. Contact your health care provider at once if any of these occur.
• Rarely, Altace may lower the ability of your body to fight infection. This risk may be greater if you have certain other health problems (eg, kidney problems, collagen vascular disease). Avoid contact with people who have colds or infections. Tell your doctor if you notice signs of infection like fever, sore throat, rash, or chills.
• Check with your doctor before you use a salt substitute or a product that has potassium in it.
• Tell your doctor or dentist that you take Altace before you receive any medical or dental care, emergency care, or surgery.
• Patients who take medicine for high blood pressure often feel tired or run down for a few weeks after starting treatment. Be sure to take your medicine even if you may not feel "normal." Tell your doctor if you develop any new symptoms.
• If you have high blood pressure, do not use nonprescription products that contain stimulants. These products may include diet pills or cold medicines. Contact your doctor if you have any questions or concerns.
• Diabetes patients - Altace may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
• Lab tests, including blood pressure, blood electrolyte levels, heart function, or kidney or liver function, may be performed while you use Altace. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
• Use Altace with caution in the elderly; they may be more sensitive to its effects.
• Altace should be used with extreme caution in children; safety and effectiveness in children have not been confirmed.
• Pregnancy and breast-feeding: Altace may cause birth defects or fetal death if you take it while you are pregnant. If you think you may be pregnant, contact your doctor right away. It is not known if Altace is found in breast milk. Do not breastfeed while taking Altace.

All medicines may cause side effects, but many people have no, or minor, side effects.

Check with your doctor if any of these most common side effects persist or become bothersome:

Cough; dizziness; headache; tiredness.

Seek medical attention right away if any of these severe side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the hands, eyes, mouth, face, lips, or tongue; hoarseness); chest pain; dark urine; decreased urination; difficulty swallowing; fainting; infection (eg, fever, chills, persistent sore throat); irregular heartbeat; seizures; stomach pain (with or without nausea or vomiting); symptoms of low blood pressure (eg, fainting, severe dizziness, lightheadedness); yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider.