Tadalafil is the active ingredient for Cialis drug which is used to treat erectile dysfunction. This drug is not suitable to be taken along with some other drugs, which could cause drug interactions leaving side effects to the users.Tadalafil Drug Interactions:There are total of 337 drugs that will interact with Tadalafil.>> 11 Major drugs interactions>> 174 Moderate drugs interactions>> 152 Minor drugs interactionsThe above mentioned are not only the drugs interactions, there are some other pills that are not suitable to take along with Generic Cialis. They are,# All other erectile dysfunction medications.# Antibiotics like telithromycin, clarithromycin, and erythromycin.# Major drug interaction nitrates such as amyl nitrate, isosorbide, riociguat, or telaprevir.# HIV/AIDS pills like indinavir, saquinavir, ritonavir, and atazanavir. What happens when drug interaction occurs with Tadalafil?When the generic Cialis is taken with some other drugs, it will lead to some serious conditions or would spoil your health.It is better to consult with the doctor before taking generic Cialis along with any other drugs, or it would cause you some side effects such as Change in vision, swelling in the hands, breathing problem and much more. What would happen during Tadalafil drug interaction?When an individual takes some other drug along with Tadalafil and when the drug interaction happens then the health condition would be very much spoiled. Several side effects would be triggered in the person like shortness of breath, swelling in the hands, drowsiness and much more.There are also chances that an individual would get affected by one or more ill effects. The worst part is that, you would have taken Tadalafil in order to get effective erection but when the drug interactions happen it not only prevents you from getting an erection but it would also worsen your impotency condition.What should you do to avoid these side effects in you?To avoid these side effects caused by drug interaction, it is a must that you have to be very careful during the treatment. Listing the pills that you are supposed to take daily is essential and in addition to that, it is also important that you have to check with the doctor about the pills that you are going to start taking during the Tadalafil treatment.This medication can be anything like over the counter pills, prescription drug, vitamin supplements, dietary pills and herbal drugs. Do not leave any single drug name while listing to your doctor.The medico would change the dosage strength or the time that you are supposed to take other medications to avoid the interaction.Tadalafil not only interacts with other drugs but it would also interact with alcohol, grapefruit or juice. Smoking during the treatment should also be avoided.Can drug interactions become fatal?Yes, there is high chance that taking Tadalafil with other medications would cause fatality. But this totally depends on the scenario. Once you found that certain side effects are triggered in your body and if it persists for a longer period then you have to get medical help as soon as possible.If your ill effects are very severe then you should not wait at all and should get emergency medical assistance. Take the drugs properly as said by the medico with the appropriate dosage strength.Never violate the instructions and be safe during the treatment.