TAMSULOSIN-ORAL (cont.)
PRECAUTIONS: Before taking tamsulosin, tell your doctor or pharmacist if you are allergic to it; or to other alpha-blockers such as alfuzosin, doxazosin or terazosin; or if you have any other allergies. Before using this medication, tell your doctor or pharmacist your medical history, especially of: prostate cancer, blood pressure problems. To avoid dizziness or fainting, get up slowly from a lying or seated position; especially when you first start taking this drug or if your doctor changes your dosing. Also, when you first start taking this drug, avoid situations where you may be injured if you faint. This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages. Caution is advised when using this drug in the elderly because they may be more sensitive to its side effects, especially dizziness. This medication is not recommended for use in women or children.
DRUG INTERACTIONS: This drug should not be used with the following medications because very serious interactions may occur: sildenafil (dose higher than 25mg), vardenafil. If you are currently using any of these medications, tell your doctor or pharmacist before starting tamsulosin. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: other alpha-blocker drugs (e.g., doxazosin, prazosin), high blood pressure drugs, "blood thinners" (e.g., warfarin), cimetidine, sildenafil (dose 25mg or less), tadalafil. Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: anti-anxiety drugs (e.g., diazepam), antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), tranquilizers. Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about the safe use of those products. Do not start or stop any medicine without doctor or pharmacist approval.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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