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Both medicines work to lower blood pressure but in different ways. Doxazosin relaxes your blood vessels, while furosemide (a 'water tablet') removes excess fluid from your body. When used together, their effects add up, which can lead to an excessive drop in blood pressure.

ما الذي يجب عليك فعله

Be careful when getting up from a sitting or lying position; move slowly to give your body time to adjust. Your doctor may want to monitor your blood pressure more closely or adjust your doses when starting this combination. If you feel very dizzy or faint, sit or lie down immediately and contact your doctor.

احتياطات هامة

انخفاض ضغط الدم بعد الجرعة الأولى

Doxazosin can cause a sudden drop in blood pressure, especially after the very first dose. This may make you feel dizzy or faint when standing up. It is recommended to take your first dose at bedtime to avoid falls.

جراحة الساد

If you are due to have eye surgery for cataracts, you must tell your surgeon you are taking doxazosin. It can cause a complication called 'Floppy Iris Syndrome' which the surgeon needs to prepare for.

Dehydration and electrolyte imbalance

Furosemide can cause severe loss of body water and salts. You must seek medical advice if you develop severe vomiting, diarrhoea, or signs of dehydration like extreme thirst or muscle cramps.

حساسية السلفوناميد

If you are allergic to 'sulpha' medicines (such as certain antibiotics like co-trimoxazole), you may also have a serious allergic reaction to furosemide.

النقرس

Furosemide can increase the levels of uric acid in your blood, which may trigger a painful gout attack or make existing gout worse.

تحذيرات الطعام والشراب

الكحول

It is best to avoid or strictly limit alcohol while taking these medicines. Both doxazosin and furosemide lower your blood pressure; alcohol also has this effect. Combining them can cause your blood pressure to drop too low, leading to dizziness, lightheadedness, or fainting, especially when standing up.

Liquorice (Natural/Black)

Avoid eating large amounts of natural black liquorice. It can cause your body to lose potassium and retain salt, which opposes the effect of furosemide and may worsen heart or blood pressure conditions.

الكافيين (القهوة، الشاي، مشروبات الطاقة)

Limit your intake of caffeine. Caffeine is a mild diuretic and can increase the water-loss effect of furosemide, potentially increasing the risk of dehydration or electrolyte imbalances.

استخدام أدوية أخرى

تتناول أدوية متعددة؟ نحن مدقق تفاعلات الأدوية يساعدك في التحقق مما إذا كانت الوصفات الطبية والأدوية التي لا تحتاج إلى وصفة طبية والمكملات الغذائية آمنة لتناولها معًا. ببساطة ابحث عن أدويتك لترى التفاعلات المحتملة وما يجب فعله حيالها.

إخلاء المسؤولية

هذه المعلومات لأغراض تعليمية عامة فقط ولا ينبغي الاعتماد عليها كبديل للنصيحة الطبية المهنية. استشر دائمًا طبيبك العام أو الصيدلي أو أي متخصص رعاية صحية مؤهل آخر قبل اتخاذ قرارات بشأن أدويتك. قد تختلف الظروف الفردية، ولا يمكن إلا لمتخصص الرعاية الصحية الذي يعرف تاريخك الطبي تقديم إرشادات مخصصة.