Malegra Oral Jelly should generally not be combined with other ED medicines unless a doctor specifically instructs you to do so. Malegra Oral Jelly usually contains sildenafil citrate, a PDE-5 inhibitor. Combining it with other ED drugs such as: Tadalafil (e.g., Cialis) Vardenafil (e.g., Levitra/Filitra) Avanafil (e.g., Stendra) can increase the risk of excessive blood vessel relaxation and side effects, including: Very low blood pressure Dizziness or fainting Chest pain or heart-related complications Severe headache Prolonged erection (priapism, an emergency if lasting more than 4 hours) Also avoid combining sildenafil with: Nitrate heart medicines (nitroglycerin, isosorbide, etc.) — this combination can cause a dangerous blood-pressure drop. Recreational “poppers” (amyl nitrite/nitrates). If Malegra Oral Jelly is not working well, the safer approach is to discuss the dose, timing, underlying causes of ED, or alternative treatments with a healthcare professional rather than adding another ED drug. If you tell me what other ED medicine you are considering combining it with (name and dose), I can explain the specific interaction and timing concerns.