Who should not take Propecia
A contraindication is a condition under which Propecia (Finasteride) should not be taken because the risk outweighs the benefit. Propecia has both absolute contraindications (do not use) and relative cautions (use only after careful review). This page summarises both at the 1mg dosing range.
Absolute contraindications
According to the prescribing information for Finasteride, absolute contraindications typically include severe allergic reactions to the active ingredient or excipients, severe hepatic or renal impairment, certain cardiovascular conditions, and concurrent use of specific interacting medications. The exact list depends on the molecule and is detailed in the official label.
Relative cautions
Relative cautions are situations where Propecia can be used but with extra monitoring, dose reduction or alternative considered. These often include mild-to-moderate organ impairment, age extremes, multiple comorbidities, and complex medication regimens. DHT, produced from testosterone by 5-alpha-reductase, drives miniaturisation of scalp hair follicles in genetically susceptible men, gradually shortening anagen growth phases until follicles produce o…
Frequently asked questions
Can someone with heart disease take Propecia? ▾
Some forms of heart disease are absolute contraindications for Propecia, particularly with nitrate use or recent cardiovascular events. Stable, well-controlled cardiovascular disease may allow Propecia use under specialist supervision. The prescribing information for Finasteride should be reviewed.
Is Propecia safe with kidney problems? ▾
Mild to moderate kidney impairment usually allows Propecia at adjusted lower 1mg doses. Severe kidney failure is often a contraindication or requires substantial dose reduction. The prescriber decides based on lab results and concurrent medications.
More on Propecia
- With alcoholPropecia and alcohol — is it safe to drink?
- With foodShould Propecia be taken with food?
- Side effectsPropecia side effects: common, rare and warning signs
- Dosage guidePropecia dosage guide: how much to take and when
- OnsetHow fast does Propecia start working?
- DurationHow long does Propecia last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.