There are some precautions to keep in mind when taking Vidalista Black 80 mg. Do not take this medication if you are allergic to Tadalafil or any of its ingredients. Vidalista Black 80 mg is an effective medication for treating ED, but it's important to take it as directed and be aware of the potential side effects and precautions. Always consult a doctor before taking any medicines. Get notes about instructions and precautions carefully.