A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Known as Prinivil in the UK
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Take Lisinopril exactly as prescribed by your doctor. Follow patient instructions for safe and effective use. Take each dose with a full glass of water. Lisinopril can be taken with or without food. Your doctor may occasionally change your dose to make sure you get the best results. Do not change the dosage duration or the dosage amount without the advice of your physician.
The active ingredient is Lisinopril dehydrate.
Each tablet also contains inactive ingredients that include calcium phosphate, mannitol, magnesium stearate, and starch.
To make sure you can safely take Lisinopril, patients should thoroughly discuss their medical history with their doctor. This medication should not be used if you have certain medical conditions. Inform your doctor if you have any of the following conditions: kidney disease (or if you are on dialysis), liver disease, heart disease or congestive heart failure, diabetes, or a connective tissue disease such as Marfan syndrome, Sjogren's syndrome, lupus, scleroderma, or rheumatoid arthritis.
This medication should be used only when clearly needed during pregnancy. It is not known whether this drug passes into breast milk. Discuss the risks and benefits with your doctor first.
Common side effects may include dizziness due to a drop in blood pressure, nausea, headaches, anxiety, insomnia, drowsiness, nasal congestion, and sexual dysfunction. Like all ACE inhibitors, Lisinopril may cause a nonproductive cough that resolves when the drug is discontinued.
Serious side effects may include faintness, urinating less than usual or not at all, swelling, rapid weight gain, fever, chills, body aches, flu symptoms, fatigue, muscle weakness, and pounding or uneven heartbeats, chest pain or high potassium (slow heart rate, weak pulse, muscle weakness, tingly feeling).