If you have a known allergy to sildenafil or any other ingredients in Fildena 150 mg, it's crucial to avoid taking this medication. Allergic reactions to sildenafil are rare but can include symptoms such as rash, itching, hives, swelling of the face, lips, or tongue, and difficulty breathing. If you experience any signs of an allergic reaction after taking Fildena 150 mg, seek immediate medical attention. https://www.onemedz.com/product/fildena-150-mg/