Flomax contains tamsulosin hydrochloride, which is an antagonist of alpha 1A adrenoceptors in the prostate. Tamsulosin hydrochloride is a monohydrochloride form and the capsules contain 0.4 mg for oral administration. The inactive ingredients include methacrylic acid copolymer, microcrystalline cellulose, and talc. This medication is designed to interact with specific receptors in the prostate.
How should I use this medication?
Take this medication by mouth about 30 minutes after the same meal every day. Follow the directions on the prescription label. Swallow the capsules whole with a glass of water. Do not crush, chew, or open capsules. Do not take your medication more often than directed. Do not stop taking your medication unless your care team tells you to. Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. If you stop taking your medication for several days or more, ask your care team what dose you should start back on.
Where should I keep my medication?
Keep out of the reach of children. Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
What side effects may I notice from receiving this medication?
Side effects that you should report to your care team as soon as possible: -Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat -Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision -Prolonged or painful erection Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome): -Change in sex drive or performance -Dizziness -Headache -Runny or stuffy nose
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What should I tell my care team before I take this medication?
They need to know if you have any of the following conditions: -Advanced kidney disease -Advanced liver disease -Low blood pressure -Prostate cancer -An unusual or allergic reaction to tamsulosin, sulfa drugs, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breast-feeding
What may interact with this medication?
-Cimetidine -Certain medications for erectile dysfunction, such as sildenafil, tadalafil, vardenafil -Fluoxetine -Ketoconazole -Medications for blood pressure -Other alpha blockers, such as alfuzosin, doxazosin, phentolamine, phenoxybenzamine, prazosin, terazosin -Warfarin
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. You will need blood work done before you start this medication and regularly while you are taking it. Check your blood pressure as directed. Know what your blood pressure should be and when to contact your care team. This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects. These effects may decrease once your body adjusts to the medication. Contact your care team right away if you have an erection that lasts longer than 4 hours or if it becomes painful. This may be a sign of a serious problem and must be treated right away to prevent permanent damage. If you are thinking of having cataract surgery, tell your eye surgeon that you have taken this medication.
Source: This information is sourced from Elsevier Inc.
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Prescription medications affect individuals differently, and what works for one person may not work for another. Always consult your doctor, pharmacist, or other qualified healthcare provider to ensure the information displayed applies to your personal circumstances. Only a licensed healthcare provider can advise you on what is safe and effective for you.
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