Before taking this product, tell your doctor or pharmacist if you are allergic to either quinapril or hydrochlorothiazide; or to other ACE inhibitors (e.g., captopril, lisinopril); or to other thiazides (e.g., chlorothiazide); or if you have any other allergies (including an allergic reaction after exposure to certain membranes used for blood filtering). This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: a history of an allergic reaction that included swelling of the face/lips/tongue/throat (angioedema), an inability to make urine.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, liver disease, gout, untreated salt/mineral imbalance (e.g., imbalance of sodium, potassium, magnesium, calcium), loss of too much body water (dehydration), collagen vascular disease (e.g., lupus, scleroderma), recent nerve surgery (e.g., sympathectomy).
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
You can develop dehydration if you do not drink enough fluids or if you have too much diarrhea, vomiting, or sweating. This can cause dizziness and lightheadedness due to low blood pressure. Avoid heavy exercise, and keep cool in hot weather. Contact your doctor if you are unable to drink fluids or if you have persistent diarrhea or vomiting.
This product may affect your potassium levels. Before using potassium supplements or salt substitutes that contain potassium, consult your doctor or pharmacist.
Before having surgery, tell your doctor or dentist that you are taking this medication.
This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.
If you have diabetes, hydrochlorothiazide may affect your blood sugar levels. Check your blood sugar levels regularly as directed and share the results with your doctor. Tell your doctor immediately if you have symptoms of high blood sugar such as increased thirst/urination. Your doctor may need to adjust your anti-diabetic medication or diet.
Older adults may be more sensitive to the side effects of this drug, especially dizziness and unusual change in the amount of urine (kidney problems).
This medication is not recommended for use during pregnancy due to the risk for harm to an unborn baby. Consult your doctor for more details. (See also Warning section.)
This medication passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.