Before we get into if or how generic Cialis 20mg tablets help enhance endurance and function, it is good to know it actually function on one’s erection. Sometimes, we consume medicines that affect our body functioning– and it has to be considered and altered if with something that is natural or does not push or slow function.Erectile Dysfunction also known as ED or impotence is a common male sexual disorder which occurs in men more commonly through aging or some blood flow linked disorder. ED causes contracted penile arteries which makes it difficult for a man to achieve or maintain an erection. And, tadalafil works as a vasodilator to relax and widen contracted penile arteries to regulate blood flow and improve erection. Tadalafil gets into the arteries and naturally dilate blood arteries upon sexual stimulation.Does Tadalafil enhance endurance and function?In short, yes it does. Tadalafil is said to be the only drug among all PDE-5 inhibitors to endure up to 36 hours in a single dose. And, undoubtedly it functions well to help a man get and keep an erection. But, now the question is– can Generic Cialis 20 mg tablets be taken by anyone?So, tadalafil can be taken by anyone who is found to have problem getting or keeping an erection. But, it should be remembered that tadalafil might not suit everyone, so if it hints to develop any sort of discomfort or side effects– immediately seek a doctor’s help.Sometimes, tadalafil intake may lower blood pressure drastically which tends to develop severe blood pressure problem. A doctor may diagnosis factors like your age, medical history, current health condition, and drug suitability to prescribe you the right ED dosage or drug.What if Tadalafil doesn’t help?In almost every case, tadalafil is found somewhat effective to drive decent results on one’s erection. But, it is possible that it sometimes does not suit or not much effective with a particular person or case. Now, the best one can do is, go for a higher dosage or alternative medication as recommended by doctor.Here are some good tadalafil alternatives one can rather consider;· Viagra (Sildenafil): Viagra containing sildenafil is the first FDA approved ED drug. It has a much similar working mechanism and effect as Tadalafil. It is available in 50mg to 200mg Viagra dosages.· Levitra (Vardenafil): Generic Levitra 40 mg is considered a comparatively stronger ED drug among all. It contains vardenafil which has same effect and mechanism as sildenafil– but higher strength, even in its lower dosages.· Stendra (Avanafil): Stendra containing avanafil is an equivalent alternative to sildenafil. Usually, Stendra is prescribed to ED patient who did not find Viagra suitable.These are some effective alternative PDE-5 inhibitors to Tadalafil. However, we would suggest to try a higher dosage of tadalafil as advised by your doctor before switching to other ED drug.Is Tadalafil 20mg best dosage?To some extent, yes it is. Tadalafil 20mg is an optimal dosage with ideal strength to drive firm and lasting erection. But, in some cases when degree of erection issues is higher, higher generic Cialis dosages be prescribed– as recommended by the doctor.