Dutasteride / tamsulosin Side Effects

Not all side effects for dutasteride / tamsulosin may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to dutasteride / tamsulosin: oral capsule

Along with its needed effects, dutasteride / tamsulosin may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking dutasteride / tamsulosin:

More common
  • Chills
  • cold sweats
  • confusion
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
Less common
  • Chest pain
  • cough or hoarseness
  • fever
  • lower back or side pain
  • painful or difficult urination
Incidence not known
  • Blistering, flaking, or peeling of the skin
  • blurred vision
  • difficulty with breathing
  • fast, irregular, pounding, or racing heartbeat or pulse
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • pain or swelling of the treated skin
  • painful or prolonged erection of the penis
  • shortness of breath
  • sweating
  • unusual tiredness or weakness

Some side effects of dutasteride / tamsulosin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Change or problem with discharge of semen
  • decreased interest in sexual intercourse
  • dizziness
  • enlarged and painful breasts
  • inability to have or keep an erection
  • loss in sexual ability, desire, drive, or performance
Less common
  • Back pain
  • body aches or pain
  • congestion
  • diarrhea
  • dryness or soreness of the throat
  • headache
  • increased cough
  • lack or loss of strength
  • pain or tenderness around the eyes and cheekbones
  • runny nose
  • shortness of breath or troubled breathing
  • sleepiness or unusual drowsiness
  • sleeplessness
  • sneezing
  • stuffy nose
  • tender, swollen glands in the neck
  • tightness of the chest or wheezing
  • trouble sleeping
  • trouble with swallowing
  • unable to sleep
  • voice changes
Incidence not known
  • Constipation
  • hives or welts
  • itching
  • redness of the skin
  • skin rash
  • vomiting

For Healthcare Professionals

Applies to dutasteride / tamsulosin: oral capsule

Genitourinary

Genitourinary side effects have included ejaculation disorders, impotence, decreased libido, priapism and breast disorders.

Postmarketing genitourinary side effects include testicular pain and swelling.

Nervous system

Nervous system side effects have included dizziness, asthenia, somnolence and insomnia.

Cardiovascular

Cardiovascular side effects have included chest pain, orthostatic hypotension, and palpitations.

Gastrointestinal

Gastrointestinal side effects have included diarrhea, constipation and vomiting.

Immunologic

Immunologic side effects have included hypersensitivity reactions, including rash, urticaria, pruritus, angioedema, localized edema, serious skin reactions, and respiratory problems.

Ocular

Ocular side effects have included a variant of small pupil syndrome known as Intraoperative floppy iris syndrome (IFIS) during cataract surgery.

General

General side effects have included infection.

Respiratory

Respiratory side effects have included rhinitis, pharyngitis, increased cough and sinusitis.

Musculoskeletal

Musculoskeletal side effects have included back pain.

Psychiatric

Postmarketing psychiatric side effects have included depressed mood.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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