Viagra, also known by its generic name sildenafil, is one of the most well-known treatments for erectile dysfunction (ED). Since its introduction, it has helped millions of men regain confidence and improve their sexual health. However, before purchasing Viagra—whether online or at a local pharmacy—there are several important things to understand about 비아그라 구입 how it works, who it’s for, and how to use it safely. This article covers everything you need to know before you buy Viagra.
What Is Viagra and How Does It Work?
Viagra is a PDE5 inhibitor, which means it works by increasing blood flow to the penis during sexual arousal. It does not cause an automatic erection; sexual stimulation is still necessary for it to work. Typically, Viagra begins to work 30 to 60 minutes after ingestion, and its effects can last up to 4 hours.
Who Can Use Viagra?
Viagra is generally prescribed for men experiencing erectile dysfunction, but it’s not suitable for everyone. You should avoid Viagra if you:
Take nitrate medications for chest pain
Have low blood pressure or serious heart conditions
Have a history of stroke or uncontrolled hypertension
Are allergic to sildenafil or similar drugs
Always consult a doctor before starting Viagra to make sure it’s safe based on your medical history and current medications.
Prescription vs. Over-the-Counter
In most countries, Viagra still requires a doctor’s prescription, although some places offer lower-dose versions over the counter. Be cautious of websites offering Viagra without a prescription, as these are often unregulated and may sell counterfeit or unsafe products.
Understanding Dosage
Viagra comes in several strengths—25 mg, 50 mg, and 100 mg. The appropriate dose depends on your age, health condition, and how your body responds to the medication. Never adjust your dosage without medical guidance, and don’t take more than one dose per day.
Possible Side Effects
Common side effects include:
Headaches
Flushing
Nasal congestion
Indigestion
Blurred vision
Serious but rare side effects may include sudden vision or hearing loss, chest pain, or an erection lasting longer than four hours (priapism). If you experience any of these, seek medical help immediately.
Buying Viagra Online Safely
If you prefer to buy Viagra online, only use licensed pharmacies. Make sure the site requires a prescription, has secure payment systems, and is regulated by a national authority. Avoid sites with prices that seem too good to be true—they usually are.
Conclusion
Before buying Viagra, take the time to understand how it works, whether it’s right for you, and how to use it safely. Always talk to a healthcare professional before starting any ED medication, and use only reputable pharmacies for your purchase. With the right precautions, Viagra can be a safe and effective way to improve your sexual health.
