Erectile Dysfunction is a common sexual problem among males. What is more common is the use of Viagra to treat erection problems, but several factors could potentially contribute to vigora tablet 100mg (sildenafil) or other similar medications appearing less effective for an individual. It’s important to consult with a healthcare professional for personalized advice. Some possible reasons include:

1. Tolerance or Resistance: Over time, the body may develop a tolerance to the medication, resulting in reduced effectiveness. If this happens, a healthcare provider may need to adjust the dosage or explore other treatment options.
2. Underlying Health Conditions: Changes in overall health or the development of new health conditions may affect the effectiveness of Viagra. Conditions such as diabetes, cardiovascular issues, or hormonal imbalances can impact the response to the medication.
3. Medication Interactions: Interactions with other medications can affect how well Viagra works. It’s important to inform your healthcare provider about all the medications you are taking to avoid potential interactions.
4. Psychological Factors: Stress, anxiety, depression, or relationship issues can have a significant impact on sexual function. Psychological factors might contribute to a perceived decrease in the effectiveness of erectile dysfunction medications.
5. Improper Use: Taking Viagra without following proper instructions or guidelines can affect its efficacy. It’s crucial to take the medication as prescribed, including considerations like taking it on an empty stomach for optimal absorption.
6. Alcohol and Substance Use: Excessive alcohol consumption and the use of certain substances can interfere with the effectiveness of erectile dysfunction medications.
7. Age-Related Changes: As individuals age, physiological changes can affect how medications are processed in the body. This can influence the response to erectile dysfunction medications.
8. Lifestyle Factors: Lifestyle factors such as poor diet, lack of exercise, and smoking can contribute to erectile dysfunction. Addressing these factors through lifestyle changes may improve the effectiveness of medications.
9. Vascular Issues: Problems with blood vessels can impact blood flow to the penis, affecting the effectiveness of medications designed to enhance blood flow, such as Viagra.

It’s crucial to discuss any concerns about the effectiveness of erectile dysfunction medications with a healthcare professional. They can evaluate your individual health status, consider potential contributing factors, and recommend appropriate adjustments or alternative treatments. Self-diagnosis and adjustment of medications without medical guidance can be unsafe.