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See the DrugPatentWatch profile for Tadalafil
Tadalafil is a prescription tablet used for several conditions. Here’s a quick overview, and I can tailor it if you have a specific question. What it is - A PDE-5 inhibitor taken by mouth. - Brand names include Cialis (ED and BPH) and Adcirca (PAH); there are generic tadalafil versions too. What it’s used for - Erectile dysfunction (ED) - Benign prostatic hyperplasia (BPH) - Pulmonary arterial hypertension (PAH) Typical ways it’s taken (doses vary by condition) - ED, as-needed: usually 10 mg about 30 minutes before sexual activity, may adjust to 5 mg or 20 mg based on tolerance and effect. Do not take more than once per day. - ED, daily use: 2.5 mg or 5 mg once daily (same time each day), regardless of sexual activity. - BPH: 5 mg once daily. - PAH (Revatio): 20 mg three times daily (total 60 mg/day), under a clinician’s direction. Important notes about taking - Food: tadalafil can be taken with or without food; high-fat meals may delay onset a bit. - Nitrates: Do not take tadalafil if you are using nitroglycerin or other nitrates. This can cause dangerous drops in blood pressure. - Other meds: avoid certain medications that affect blood pressure or liver enzymes without medical guidance (e.g., some alpha-blockers, strong CYP3A4 inhibitors like ketoconazole, ritonavir). Your clinician will adjust if needed. - Grapefruit juice: may increase tadalafil levels—many clinicians advise avoiding large amounts. Common and serious side effects - Common: headache, flushing, upset stomach, nasal stuffiness, back/ muscle pain, dizziness. - Less common but important: vision or hearing changes, fainting, prolonged erection (over 4 hours) or painful erection (seek urgent care). Who should talk to a doctor before using - Heart disease, recent heart attack or stroke, or very low blood pressure - Severe kidney or liver disease - History of priapism - Using nitrates or certain other heart medications - If you’re taking medicines that can interact with PDE-5 inhibitors If you’re asking about a specific situation (e.g., you were prescribed tadalafil, or you’re considering taking it, or you want to know about a particular brand or dose), tell me your context and I’ll tailor the info (including a safer dosing tip or a quick safety checklist).
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