It is important to avoid Megalis 20 mg if you are allergic to tadalafil or any of its ingredients. It should not be taken with nitrates (often prescribed for chest pain) or certain medications used to treat pulmonary hypertension without consulting a healthcare provider.before starting Megalis 20 mg or any ED medication, it is advisable to consult with a healthcare provider, especially if you have underlying medical conditions or are taking other medications.

https://www.genericday.com/megalis-20-mg.html