Side effects when taking Finasteride

More than half of white men have male-pattern hair loss by age 50. It usually starts in the late teens or early twenties but appears later. The male-pattern baldness happens as the hormone levels change over time. This male-pattern hair loss is called androgenetic alopecia in medical terminology. It is the most common type of hair loss in men. It might be noticeable thinning of your hair, a receding hairline, or balding. It begins as a receding hairline or bald spot on the top of your head and may cause thinning and hair loss for years.

Nothing to worry about, as it’s not a big deal! The treatment options exist. You can choose from available treatment options, like Finasteride.

Finasteride is a drug for managing male-pattern hair loss and stimulation of re-growth of hair in men. The medicine treats male pattern hair loss, the gradual thinning of the hair on the scalp. The hair loss leads to receding hairline or balding on the top of the head in men.

How does Finasteride work?

DHT-blocking drugs like Finasteride belong to a category of medications known as 5a-Reductase inhibitors, or 5-ARIs. Finasteride inhibits the conversion of testosterone to dihydrotestosterone (DHT), the male sex hormone responsible for baldness. Finasteride blocks about 64% of DHT -- enough to significantly slow, or even stop, hair loss in most men.

Side Effects of Finasteride

Like every medicine, Finasteride has some side effects. However, these are rare and temporary and may last a few days. Talk to your doctor if these adverse effects bother you or persist for more than a week.

Common Side Effects

The common side effects of Finasteride are:

  • Low blood pressure
  • Headache
  • Weakness
  • Chills
  • Cold sweats
  • Diarrhoea
  • Stomach pain
  • Confusion
  • Breast pain
  • Inability to have an erection
  • Problems with ejaculation
  • Altered interest in having sexual intercourse
  • Decreased amount of semen upon ejaculation
  • Low sperm count
  • Trouble having an orgasm
  • Pain in testicles
  • Fluid retention in legs, feet, arms, or hands
  • Confusion

Severe side Effects

Consult your GP right away if you have severe side effects, your symptoms are life-threatening, or if there is a medical emergency. The possible severe side effects of the drug include:

  • Oedema
  • Swelling in hands or feet
  • Palpitations
  • Postural hypotension
  • Depression
  • Somnolence/ unusual drowsiness
  • Sneezing
  • Swelling or tenderness in breasts
  • Loss of interest, desire, drive, or ability in sexual ability
  • Decreased interest in sexual intercourse
  • Inability to have or keep an erection
  • Trouble having an orgasm
  • Abnormal ejaculation
  • Decreased ejaculatory volume
  • Decreased libido
  • Blood in semen
  • Male infertility
  • Poor seminal quality
  • Impotence

Immediately talk to your doctor if these side effects worry you, do not go away or affect your sex life.

Allergic Reactions

Finasteride may cause allergic reactions if you are allergic to the drug. In addition, inactive ingredients may also cause allergic reactions. Allergic responses include:

  • Skin rash
  • Hives
  • Itching
  • Dizziness
  • Lightheadedness
  • Blistered or peeling skin
  • Pruritus
  • Urticaria
  • Angioedema
  • Tightness in the chest or throat
  • Wheezing
  • Trouble breathing or talking
  • Swelling of the mouth, face, lips, tongue, or throat


Finasteride is a drug for managing male-pattern hair loss and stimulation of re-growth of hair in men. The side effects of the drug range from common to severe, like the inability to have an erection or problems with ejaculation. There are some allergic reactions as well. In addition, some side effects resemble the signs of male breast cancer, don’t confuse them. In short, the drug is best for male-pattern baldness if consumed at prescribed therapeutic parameters.

Order before 15:00pm (Monday to Friday) for next day delivery