Malegra Oral Jelly can be taken with or without food. However, consuming large amounts of alcohol before taking Sildenafil may decrease its effectiveness. It’s best to limit alcohol intake while using Malegra Oral Jelly. Common side effects of Malegra Oral Jelly may include headache, flushing, indigestion, nasal congestion, dizziness, and changes in vision. These side effects are usually mild and transient. If you experience severe or persistent side effects, contact your healthcare provider.