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Benazepril / hydrochlorothiazide Side Effects

Medically reviewed by Drugs.com. Last updated on Dec 8, 2023.

Applies to benazepril / hydrochlorothiazide: oral tablet.

Warning

Oral route (Tablet)

Discontinue benazepril hydrochloride/hydrochlorothiazide as soon as possible upon awareness of a pregnancy. Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.

Serious side effects

Along with its needed effects, benazepril / hydrochlorothiazide 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 while taking benazepril / hydrochlorothiazide:

Less common

Rare

Other side effects

Some side effects of benazepril / hydrochlorothiazide 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:

Less common

Rare

For Healthcare Professionals

Applies to benazepril / hydrochlorothiazide: oral tablet.

General

The most common side effects were dizziness, fatigue, headache, and cough.[Ref]

Nervous system

Common (1% to 10%): Dizziness, postural dizziness, headache, hypertonia, somnolence

Uncommon (0.1% to 1%): Paresthesia, taste perversion, tinnitus, syncope, hypesthesia

Hydrochlorothiazide:

Postmarketing reports: Lightheadedness, headache, paresthesia[Ref]

Respiratory

Common (1% to 10%): Cough, upper respiratory infection, rhinitis, sinusitis

Uncommon (0.1% to 1%): Epistaxis, bronchitis, voice alteration

Benazepril:

Postmarketing reports: Eosinophilic pneumonitis

Hydrochlorothiazide:

Postmarketing reports: Respiratory distress, pneumonitis, pulmonary edema[Ref]

Other

Common (1% to 10%): Fatigue, vertigo, flu syndrome

Uncommon (0.1% to 1%): Asthenia, chest pain, fever, chills

Hydrochlorothiazide:

Postmarketing reports: Vertigo, weakness, pyrexia, asthenia[Ref]

Genitourinary

Common (1% to 10%): Impotence, urinary frequency

Uncommon (0.1% to 1%): Urinary tract infection[Ref]

Gastrointestinal

Common (1% to 10%): Nausea

Uncommon (0.1% to 1%): Vomiting, diarrhea, dyspepsia, constipation, dry mouth, abdominal pain, gastroenteritis, flatulence, tooth disorder

Hydrochlorothiazide:

Postmarketing reports: Pancreatitis, small bowel angioedema, sialadenitis, vomiting, diarrhea, cramping, nausea, gastric irritation, constipation[Ref]

Musculoskeletal

Common (1% to 10%): Back pain

Uncommon (0.1% to 1%): Arthralgia, myalgia, neck pain, arthritis

Hydrochlorothiazide:

Postmarketing reports: Muscle spasm[Ref]

Dermatologic

Uncommon (0.1% to 1%): Rash, sweating, photosensitivity, pruritus, alopecia

Benazepril:

Postmarketing reports: Stevens-Johnson syndrome, pemphigus

Hydrochlorothiazide:

Postmarketing reports: Purpura, urticaria, rash, photosensitivity, erythema multiforme, Stevens-Johnson syndrome, exfoliative dermatitis, toxic epidermal necrolysis[Ref]

Psychiatric

Uncommon (0.1% to 1%): Insomnia, nervousness, libido decreased, abnormal dreams

Hydrochlorothiazide:

Postmarketing reports: Restlessness[Ref]

Cardiovascular

Uncommon (0.1% to 1%): Palpitations, flushing, peripheral vascular disorder, tachycardia

Hydrochlorothiazide:

Postmarketing reports: Necrotizing angiitis[Ref]

Ocular

Uncommon (0.1% to 1%): Abnormal vision, retinal disorder, conjunctivitis

Hydrochlorothiazide:

Postmarketing reports: Transient blurred vision, xanthopsia[Ref]

Metabolic

Uncommon (0.1% to 1%): Anorexia

Hydrochlorothiazide:

Postmarketing reports: Anorexia, hyperglycemia, glycosuria, hyperuricemia[Ref]

Immunologic

Uncommon (0.1% to 1%): Infection

Hydrochlorothiazide:

Postmarketing reports: Anaphylactoid reactions[Ref]

Renal

Frequency not reported: Serum creatinine increased, BUN increased[Ref]

Hematologic

Benazepril:

Postmarketing reports: Hemolytic anemia, thrombocytopenia

Hydrochlorothiazide:

Postmarketing reports: Aplastic anemia, agranulocytosis, leukopenia, neutropenia, thrombocytopenia[Ref]

Hepatic

Benazepril:

Postmarketing reports: Pancreatitis

Hydrochlorothiazide:

Postmarketing reports: Intrahepatic cholestatic jaundice[Ref]

Endocrine

Hydrochlorothiazide:

Postmarketing reports: Parathyroid gland changes with hypercalcemia and hypophosphatemia[Ref]

References

1. Product Information. Lotensin HCT (benazepril-hydrochlorothiazide). Ciba-Geigy Pharmaceuticals. 2001;PROD.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.