What drug(s) may interact with tamsulosin?
Do not take tamsulosin if you are taking the following medications: – other alpha-blockers such as alfuzosin, doxazosin, phentolamine, phenoxybenzamine, prazosin, terazosin Tamsulosin may also interact with the following medications: – cimetidine – medicines for high blood pressure – sildenafil (doses of sildenafil higher than 25 mg should be taken at least 4 hours apart from taking tamsulosin) – tadalafil – vardenafil – warfarin Tell your prescriber or health care professional about all other medicines you are taking, including nonprescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your prescriber or health care professional before stopping or starting any of your medicines.
