Cialis and Fildena 50 are both medications used to treat erectile dysfunction, but they contain different active ingredients: Cialis contains tadalafil, while Fildena 50 mg contains sildenafil. While both medications work in similar ways by increasing blood flow to the penis, they may have slightly different potential side effects due to their differing chemical compositions. Here's a comparison of potential side effects:

Potential Side Effects of Cialis (Tadalafil):

Headache
Upset stomach
Back pain
Muscle aches
Flushing (redness, warmth, or tingly feeling)
Stuffy or runny nose
Vision changes (such as blurred vision, changes in color vision)
Dizziness
Priapism (a prolonged erection lasting more than four hours)
Sudden hearing loss
Potential Side Effects of Fildena 50 (Sildenafil):

Headache
Flushing (redness, warmth, or tingly feeling)
Upset stomach
Abnormal vision (changes in color vision)
Nasal congestion
Back pain
Muscle pain
Nausea
Dizziness
Rash
Priapism (a prolonged erection lasting more than four hours)
Sudden hearing loss
It's important to note that these lists are not exhaustive, and individual experiences may vary. Additionally, both medications can interact with certain medications and medical conditions, so it's crucial to consult with a healthcare provider before taking either Cialis or Fildena 50, especially if you have any pre-existing medical conditions or are taking other medications.