Flomax, or tamsulosin, is a prescribed medication used to treat the signs and symptoms of benign enlargement of the prostate gland, or benign prostatic hypertrophy (BPH), according to MayoClinic.com 12. Prostate enlargement is common in older men and can make urinating difficult. Specifically, an enlarged prostate causes a weak urine stream and incomplete bladder emptying. Flomax relaxes the muscles in the prostrate gland, which prevents it from impinging on the urinary tract. Although beneficial, a patient taking Flomax should be aware of the long-term side effects.
If you are experiencing serious medical symptoms, seek emergency treatment immediately.
According to Drugs.com, headache is associated with long-term use of Flomax in some patients 12. Specifically, 21 percent of men taking 0.8 mg of Flomax for a 13-week period experienced headache. This occurs because the chemicals in Flomax may affect the blood vessels in the brain or other brain tissue that can cause a long-term headache. In this case, a patient should let his doctor know that he is experiencing a headache before he attempts self-treatment with over-the-counter (OTC) medications. The doctor may adjust the dosage of Flomax, or prescribe a different medication that does not cause headache.
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Men taking Flomax may experience abnormal ejaculation over the long-term, states Drugs.com 12. A 13-week study showed that 18 percent of men taking Flomax experience ejaculation problems. This occurs because Flomax primarily affects the muscles in the prostate gland, which is a gland that contributes to the ejaculation fluids. A man experiencing ejaculation difficulties should schedule an appointment with his doctor for proper assessment and treatment of abnormal ejaculation. The doctor may prescribe a different medication that does not cause ejaculation problems.
- Men taking Flomax may experience abnormal ejaculation over the long-term, states Drugs.com 1.
Flomax may cause dizziness in some men, states Drugs.com 12. In a 13-week trial, 17 percent of men experienced frequent dizziness when taking Flomax. This occurs because the chemicals in Flomax may cause adverse affects on the brain, which can lead to dizziness. Dizziness may make it difficult for a patient to complete activities of daily living. In addition, dizziness may cause difficulty with driving or with operating other heavy machinery. A man experiencing dizziness should let his doctor know that this long-term side effect is not improving. The doctor will make sure that dizziness is a side effect of Flomax and treat accordingly.
- Flomax may cause dizziness in some men, states Drugs.com 1.
- This occurs because the chemicals in Flomax may cause adverse affects on the brain, which can lead to dizziness.
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- Drugs.com: Flomax
- MayoClinic.com: Flomax
- Flomax. Highlights of Prescribing Information. Revised January 2019.
- Zhou Z, Cui Y, Wu J, Ding R, Cai T, Gao Z. Meta-analysis of the efficacy and safety of combination of tamsulosin plus dutasteride compared with tamsulosin monotherapy in treating benign prostatic hyperplasia. BMC Urol. 2019;19(1):17. doi:10.1186/s12894-019-0446-8
- GSK for you.
- Pharmacy Technician Certification Board. (2018) Official Pharmacy Technician Certification Board Practice Exam. Washington, D.C.: Pharmacy Technician Certification Board.
- Roehrborn, C.; Siami, P.; Barkin, J. et al. The Effects of Combination Therapy with Dutasteride and Tamsulosin on Clinical Outcomes in Men with Symptomatic Benign Prostatic Hyperplasia: 4-Year Results from the CombAT Study.Eur Urology.2010;57(1):123-31. DOI:10.1016/j.eururo.2009.09.035
- U.S. Food and Drug Administration. Highlights of Prescribing Information: Flomax (tamsulosin hydrochloride) Capsules, 0.4 mg. Silver Spring, Maryland; updated 2009.
As a physical medicine and rehabilitation physician I have extensive experience in musculoskeletal/neurological medicine that will benefit the network.