Firmagon Side Effects

Generic Name: degarelix

Note: This document contains side effect information about degarelix. Some of the dosage forms listed on this page may not apply to the brand name Firmagon.

Some side effects of Firmagon may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to degarelix: subcutaneous powder for solution

Along with its needed effects, degarelix (the active ingredient contained in Firmagon) 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 or nurse immediately if any of the following side effects occur while taking degarelix:

More common
  • Back pain
  • blurred vision
  • dizziness
  • fever
  • flushing or redness of the skin
  • hard lump
  • headache
  • nervousness
  • pain
  • pounding in the ears
  • slow or fast heartbeat
  • small lumps under the skin
  • swelling
  • unusually warm skin
Less common
  • Bladder pain
  • bloody or cloudy urine
  • chills
  • decrease in testicle size
  • decreased interest in sexual intercourse
  • difficult, burning, or painful urination
  • difficulty in moving
  • frequent urge to urinate
  • inability to have or keep an erection
  • increased sweating
  • loss in sexual ability, desire, drive, or performance
  • lower back or side pain
  • muscle pain or stiffness
  • pain in the joints
Rare
  • Chest pain or discomfort
  • fainting
  • irregular heartbeat
  • pounding heartbeat
  • shortness of breath

Some side effects of degarelix 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
  • Difficulty having a bowel movement (stool)
  • feeling of warmth
  • increased weight
  • redness of the face, neck, arms, and occasionally, upper chest
  • sudden sweating
  • unusual tiredness or weakness
Less common
  • Diarrhea
  • lack or loss of strength
  • nausea
  • night sweats
  • sleeplessness
  • swelling of the breasts or breast soreness
  • trouble sleeping
  • unable to sleep

For Healthcare Professionals

Applies to degarelix: subcutaneous powder for injection

Endocrine

Endocrine side effects have included hot flashes, increased weight, and fatigue.

Local

Local side effects have included injection site reactions (e.g. pain, erythema, swelling or induration).

Musculoskeletal

Musculoskeletal side effects have included back pain and arthralgia.

Cardiovascular

Cardiovascular side effects have included hypertension.

Gastrointestinal

Gastrointestinal side effects have included constipation.

Genitourinary

Genitourinary side effects have included urinary tract infection.

Hypersensitivity

Hypersensitivity reactions have included postmarketing reports of anaphylaxis, urticaria, and angioedema.

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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