Overview section and expectations

Finasteride is the active ingredient in several products, including branded Propecia and multiple generics. It works as a 5-alpha-reductase inhibitor and is prescribed at low doses for androgenetic hair loss (male pattern hair loss) and at higher doses for benign prostatic hyperplasia (BPH).

Tablets are commonly available as 1 mg (most often used for hair preservation and regrowth at the vertex) and 5 mg (typically used for prostate enlargement). In clinical practice many men notice less hair shedding and increased thickness at the crown after months of continuous therapy. Expect at least three to six months of daily treatment before assessing benefit; the effect generally persists only with ongoing use.

Take me to dosing regimen instructions at Administration and dosage or to prudent safety advice at Safety practices and protective steps.

Who should use finasteride

  • Adult males with confirmed androgenetic alopecia are typical candidates for finasteride 1 mg for hair loss.
  • Adults with symptomatic BPH may be offered 5 mg daily where prostate reduction is required to improve symptoms or reduce progression.
  • Not suitable: women who are pregnant or planning pregnancy, and children. Female use is generally contraindicated because of teratogenic risk to a male fetus.

If you are unsure whether finasteride is appropriate, discuss diagnosis and varied options with your prescriber or a pharmacist.

Administration and dosage

Follow the regimen your prescriber gives you. Typical regimens are listed below, but individual advice may vary.

  • Hair loss: 1 mg tablet by mouth once daily. You may take it with meals or on an empty stomach.
  • BPH: 5 mg tablet by mouth once daily, as directed by a clinician.
  • General administration tips:
    • Take the tablets intact with water. Avoid crushing or chewing tablets unless instructed otherwise.
    • If a tablet is accidentally broken or crushed, pregnant women should not handle the powder. Wear gloves or seek assistance.
    • Try to take the tablet at a similar time each day to maintain steady levels and improve adherence.
  • Do not change dose or stop treatment without consulting your prescriber; abrupt discontinuation will typically lead to loss of benefit over months.

More on omitted doses is available at If you skip a dose.

Protective measures and safety guidelines

  • Allergies: tell your healthcare professional if you have known sensitivity to finasteride, dutasteride, or any tablet additives.
  • Pregnancy risk: finasteride is contraindicated in pregnancy. Pregnant women must not handle broken tablets or powder because of potential harm to a male fetus.
  • Mood and mental health: isolated reports link finasteride to mood changes, depression, and suicidal thoughts. Seek urgent help for severe mood changes or self-harm ideation.
  • Breast and hormonal changes: report any breast pain, lumps, or nipple discharge to your clinician promptly.
  • PSA testing: finasteride lowers serum prostate specific antigen (PSA) concentrations by about half in many men. Always inform the clinician or laboratory that you are taking finasteride before prostate screening; adjustments to interpretation or testing may be required.
  • Liver disease: use cautiously in significant hepatic impairment; health monitoring liver function may be advised.
  • Blood donation: avoid donating blood while taking finasteride and for at least one month after stopping to prevent exposure of a pregnant transfusion recipient.
  • Driving and machinery: some people report dizziness or visual disturbance. If affected, do not drive or operate heavy machinery until symptoms resolve.

If these issues make finasteride unsuitable for you, see Conditions where use is not advised and safety advisories see more detail.

When to avoid use: conditions that contraindicate treatment and cautions

  • Known hypersensitivity to finasteride or to 5-alpha-reductase inhibitors such as dutasteride.
  • Pregnant women, women who may become pregnant, and children must not use finasteride.
  • Use this with care. in men with severe liver dysfunction and examine all other medications for potential the study maps how the act of connecting with otherss evolve over time..

Potential adverse reactions

Most people tolerate finasteride well, but indirect effects can occur. Many adverse impact on health resolve after stopping treatment, though some may persist in rare cases.

  • Common: decreased libido, erectile dysfunction, reduced ejaculate volume, tiredness, sleep disturbance, dizziness, nasal congestion, and blurred vision.
  • Scarcely seen: testicular discomfort, breast tenderness or enlargement, and skin reactions such as rash or itching.
  • Serious but rare: new onset depression, suicidal thoughts, breast lumps, nipple discharge, or severe allergic reactions including facial swelling and breathing difficulty. Call emergency services for trouble breathing or severe wheezing these.

Report new or worrying symptoms to your doctor or pharmacist. For safety context see Precautionary measures and safety guidelines.

Partnered interactive engagements are not just about words, but meaning. between medications involving supplements

  • Provide your prescriber and pharmacist with a full list of prescription drugs, over-the-counter medicines, and herbal supplements before starting finasteride.
  • Do not merge. finasteride with other 5-alpha-reductase inhibitors (for example, dutasteride) unless supervised by a specialist.
  • Herbal products such as saw palmetto may have overlapping effects; discuss herbal use in concert with your clinician.
  • Finasteride has relatively few serious drug-pharmacologic drug collaborative interaction considerations, but medication review is recommended for each patient to rule out individual risks.

If you fail to take a dose

If you forget a single dose, take it as soon as you remember. If the next scheduled dose is near, skip the i missed the medication dose and return to your regular schedule. Do not double up doses to compensate for a missed tablet.

Taking too much of a drug prevention guidance in Australia

Taking one extra tablet is unlikely to cause serious harm, but any having an overdose should prompt advice from a health professional.

  • Symptoms that might occur with a large suspected overdose include nausea, lightheadedness, dizziness, chest discomfort, or heart palpitations.
  • In Australia call the Poisons Information Centre on 13 11 26 for immediate, expert advice. For emergencies that threaten life, dial 000.

Storage room and disposal controls

  • Store tablets at room temperature, preferably between 20 and 25 C (68 and 77 F).
  • Keep medicines in their original container, protected from moisture and direct light.
  • Avoid storage capacity is a key factor in system design. in bathrooms. Do not allow children or animals to reach or see this item.
  • Return unused or expired medicine to a pharmacy for safe disposal whenever possible.

Estimated costs in AUD

Prices depend on brand, pharmacy, and whether Pharmaceutical Benefits Scheme (PBS) subsidies apply. Figures below are approximate for a monthly supply when purchased privately.

  • Finasteride 1 mg (hair loss): generic monthly costs commonly range from about AUD 15 to 40. Branded Propecia often costs more, typically around AUD 50 to 90 per month when bought privately.
  • Finasteride 5 mg (BPH): frequently listed on the PBS for eligible patients; private cost or out-of-pocket co-payment can be in the region of AUD 8 to 20 depending on PBS status and concession.
  • Compounded topical finasteride and specialised formulations: usually pricier and rarely PBS-subsidised; price varies by compounding pharmacy and dosage form.

Check PBS eligibility with your prescriber and compare local pharmacy prices. Generic options usually offer the lowest cost for the same active ingredient.

Replacement choices and cross comparisons

If finasteride is not suitable or if you wish to consider other treatment options, discuss these options with your clinician:

  • Topical minoxidil (2% or 5%): an over-the-counter option in many pharmacy networks. A typical 60 mL pack often costs around AUD 15 to 35 depending on brand and strength.
  • Dutasteride 0.5 mg: another 5-alpha-reductase inhibitor available by prescription and sometimes used off-label for hair loss; private monthly costs commonly fall in the AUD 15 to 40 range.
  • Topical finasteride: compounded topical products exist in some clinics; potency, systemic absorption, cost, and long-term safety vary and evidence is less robust than for oral formulations.
  • For BPH: alpha-blockers such as tamsulosin or alfuzosin treat urinary symptoms. Many are PBS-listed and generic monthly costs are often in the AUD 10 to 30 range.
  • Nonpharmacologic options: hair transplantation, low-level laser therapy, and cosmetic measures may be appropriate for some people; costs and outcomes differ widely.

Choice depends on diagnosis, expected benefit, side effect profile, and budget. Review safety issues at Safety guidelines with proactive precautions before choosing a therapy.

Go back to the top rank

Additional aspects about Propecia