Do not use this medication if you are unable to urinate.
You should not use this medication if you are allergic to any other ACE inhibitor, such as benazepril (Lotensin), captopril (Capoten), fosinopril (Monopril), enalapril (Vasotec), moexipril (Univasc), perindopril (Aceon), quinapril (Accupril), ramipril (Altace), or trandolapril (Mavik).
Before taking hydrochlorothiazide and lisinopril, tell your doctor if you have kidney disease (or are on dialysis), liver disease, congestive heart failure, gout, lupus, diabetes, or an allergy to sulfa drugs.
Lisinopril can cause birth defects in the baby if you take the medication during pregnancy. Do not use hydrochlorothiazide and lisinopril without telling your doctor if you are pregnant or planning a pregnancy.
Avoid the regular use of salt substitutes in your diet, and do not take potassium supplements while taking hydrochlorothiazide and lisinopril, unless your doctor has told you to.
Some things can cause your blood pressure to get too low. This includes vomiting, diarrhea, heavy sweating, heart disease, dialysis, a low-salt diet, or taking other diuretics (water pills). Follow your doctor’s instructions about the type and amount of liquids you should drink while taking hydrochlorothiazide and lisinopril. Tell your doctor if you have a prolonged illness that causes diarrhea or vomiting.