Avodart Side Effects
Generic Name: dutasteride
Note: This page contains information about the side effects of dutasteride. Some of the dosage forms included on this document may not apply to the brand name Avodart.
For the Consumer
Applies to dutasteride: oral capsule liquid filled
In addition to its needed effects, some unwanted effects may be caused by dutasteride (the active ingredient contained in Avodart). In the event that any of these side effects do occur, they may require medical attention.
Major Side Effects
You should check with your doctor immediately if any of these side effects occur when taking dutasteride:Rare
- Chest pain or discomfort
- dilated neck veins
- extreme fatigue
- irregular breathing
- irregular heartbeat
- shortness of breath
- swelling of the face, fingers, feet, or lower legs
- weight gain
- Blistering, flaking, or peeling of the skin
- difficulty with swallowing
- fast heartbeat
- hives or welts
- itching skin
- large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- redness of the skin
- skin rash
- tightness in the chest
- unusual tiredness or weakness
Minor Side Effects
Some of the side effects that can occur with dutasteride may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:Less common:
- Abnormal ejaculation
- decreased interest in sexual intercourse
- decreased sexual performance or desire
- inability to have or keep an erection
- loss in sexual ability, desire, drive, or performance
- pain, soreness, swelling, or discharge from the breast or breasts
For Healthcare Professionals
Applies to dutasteride: oral capsule
Common (1% to 10%): Impotence, decreased libido, ejaculation disorders, breast disorders
Postmarketing reports: Testicular pain and swelling[Ref]
-Impotence, decreased libido, and ejaculation disorders may persist after treatment discontinuation; this drug's role in this persistence is unknown.
-Ejaculation disorders included anorgasmia, retrograde ejaculation, decreased semen volume, decreased orgasmic sensation, abnormal orgasm, delayed ejaculation, ejaculation failure, and premature ejaculation.
-Breast disorders include breast enlargement, gynecomastia, breast swelling, breast pain, breast tenderness, nipple pain, and nipple swelling.[Ref]
Common (1% to 10%): High-grade prostate cancer
Frequency not reported: Male breast cancer[Ref]
Uncommon (0.1% to 1%): Cardiac failure[Ref]
Uncommon (0.1% to 1%): Alopecia (primarily body hair loss), hypertrichosis[Ref]
Uncommon (0.1% to 1%): Dizziness, nervous system disorders[Ref]
Postmarketing reports: Hypersensitivity reactions (e.g., rash, pruritus, urticaria, localized edema, serious skin reactions, angioedema)[Ref]
Postmarketing reports: Depressed mood[Ref]
1. "Product Information. Duagen (dutasteride)." GlaxoSmithKline Healthcare, Pittsburgh, PA.
Not all side effects for Avodart may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about Avodart (dutasteride)
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