Malegra Pro 100 mg is effective only with sexual stimulation. It does not automatically cause an erection and will not work without arousal. It enhances erectile function by increasing blood flow to the penis, allowing men with ED to achieve and sustain an erection. Malegra Pro 100 mg is an effective treatment for erectile dysfunction that helps improve blood flow to the penis, allowing men to achieve and maintain an erection when sexually aroused. It should be used under the guidance of a healthcare provider to ensure its safety, especially for those with pre-existing health conditions. Following the recommended dosage and avoiding contraindicated medications can help reduce the risk of side effects. Always use barrier methods like condoms for STI protection during sexual activity. Malegra Pro 100 mg should not be used with nitrate medications (e.g., nitroglycerin) or other vasodilators, as combining them can lead to a dangerous drop in blood pressure. It should also be used with caution in people with heart conditions, liver or kidney problems, or low blood pressure.