Viagra pills are among the most searched medical topics on the internet, thanks to the wide recognition this drug gained since its approval for treating erectile dysfunction. Sildenafil belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors, which work to improve blood flow in specific areas of the body.
Though commonly associated with treating male sexual issues, sildenafil has other important medical uses, such as treating pulmonary arterial hypertension. It should always be used according to a doctor's instructions and supervision to avoid complications or serious drug interactions.
What is Viagra (Sildenafil)?
Sildenafil is a medication that works by dilating blood vessels and improving blood flow. It is sold under various brand names depending on its medical use, the most famous being Viagra for erectile dysfunction and Revatio for pulmonary hypertension.
Moreover, the dosages and methods of use vary significantly between the two conditions, making medical consultation essential before starting treatment.
Uses of Viagra (Sildenafil)
Treatment of Erectile Dysfunction
Viagra is used to help achieve and maintain an erection in men with erectile dysfunction by increasing blood flow to the penis with sexual stimulation, thus enhancing sexual ability for some patients. However, it does not automatically cause an erection without sexual arousal.
Treatment of Pulmonary Arterial Hypertension
Sildenafil is also used to treat pulmonary arterial hypertension, a condition causing increased pressure in the vessels carrying blood to the lungs.
Additionally, the drug helps expand pulmonary blood vessels and improve blood flow, potentially enhancing physical activity ability and reducing some symptoms associated with the condition.
Dosage and Administration of Viagra
The appropriate dose depends on the medical condition, patient age, overall health, and other medications being taken.
Dose for Erectile Dysfunction
In cases of erectile dysfunction, a doctor will determine the suitable dose, available in various strengths such as 25 mg, 50 mg, and 100 mg. Typically, the dose is taken 30 to 60 minutes before sexual activity, and its effect can last several hours for some individuals.
Doctors may adjust the dose based on treatment response and drug tolerance.
Dose for Pulmonary Hypertension
For pulmonary hypertension, sildenafil is taken according to a regular schedule prescribed by a specialist. The method of use differs from that for erectile dysfunction, necessitating medical advice before making any changes.
When Does Viagra Take Effect?
The effect of the drug usually begins 30 to 60 minutes after consumption for many users. Additionally, taking a high-fat meal before the dose may delay absorption and effect onset compared to taking it on an empty stomach or after a light meal.
Common Side Effects of Viagra
Like any medication, sildenafil can cause some side effects, often mild and temporary.
Headache
Headaches are a common side effect among users.
Facial Flushing and Warmth
Some may experience facial or neck flushing due to blood vessel dilation.
Gastrointestinal Disturbances
Possible symptoms include indigestion or stomach discomfort.
Nasal Congestion
Some users may experience nasal blockage or runniness during the drug's effect.
Muscle or Back Pain
Mild muscle or back pain may occur in a fraction of patients.
Temporary Vision Changes
Some might notice temporary changes in color perception or mild blurred vision, which usually resolves after the drug's effect wears off.
Serious Side Effects
Prolonged and Painful Erection
If the erection lasts more than 4 hours, immediate emergency care is necessary to avoid permanent complications.
Sudden Loss of Hearing or Vision
Sudden hearing loss or significant vision reduction requires stopping the medication and seeking urgent medical evaluation.
Serious Cardiac Symptoms
Such as severe chest pain, shortness of breath, severe dizziness, or fainting, require immediate medical intervention.
Contraindications of Viagra
Certain conditions prohibit sildenafil use due to potential health risks.
Use of Nitrate Medications
Viagra should never be taken with nitrate medications used for angina or certain heart conditions because combining them may lead to a dangerous and sudden drop in blood pressure.
Unstable Heart Diseases
The drug may not be suitable for some patients with severe or unstable heart diseases and requires medical assessment beforehand.
Recent Heart Attack or Stroke
Patients should inform their doctor if they have recently experienced a heart attack or stroke.
Advanced Liver and Kidney Diseases
These conditions may require dose adjustments or additional precautions due to their effect on drug clearance from the body.
Important Tips Before Using Viagra
Before using sildenafil, inform your doctor of all current medications and supplements. It is essential to follow prescribed dosages and not take additional doses without medical advice. Additionally, buying the drug from reputable sources is crucial to avoid counterfeit products that pose health risks.
Finally, Viagra (Sildenafil) is vital in treating erectile dysfunction and some cases of pulmonary arterial hypertension, improving the quality of life for millions globally.
Nonetheless, safe and effective use requires adhering to medical instructions, understanding suitable doses, potential side effects, and contraindications. Hence, medical consultation is the basic step before starting this treatment to ensure desired benefits and reduce possible risks.
Also see: Vardenafil: Difference From Sildenafil?, Sildenafil: Common Benefits and Harms, Avanafil: Is it Faster than Viagra?