Sildigra 100 mg is a medication used to treat erectile dysfunction, containing sildenafil citrate as its active ingredient. Like any medication, it can have potential side effects, although not everyone experiences them. Common side effects of Sildigra 100 mg may include:

1. Headache
2. Flushing (warmth, redness, or tingly feeling)
3. Indigestion or upset stomach
4. Diarrhea
5. Dizziness or lightheadedness
6. Nasal congestion
7. Blurred vision or changes in color vision
8. Back pain
9. Muscle pain

More serious but rare side effects may include:

1. Priapism (a prolonged and sometimes painful erection lasting more than four hours)
2. Sudden vision loss or decrease in vision in one or both eyes
3. Sudden hearing loss or decrease in hearing
4. Irregular heartbeat
5. Chest pain
6. Shortness of breath
7. Seizures

If you experience any severe or persistent side effects, it's crucial to seek medical attention immediately. Additionally, if you have any concerns about taking Sildigra 100 mg or its side effects, it's best to consult with a healthcare professional. They can provide personalized advice and guidance based on your medical history and current health status.