# Cialis (tadalafil): Dosage, side effects, how long it lasts ### Tadalafil (Cialis): Side Effects, Reviews, Prescriptions Quality generics from the best suppliers Tadalafil 20mg from India. Available dosages 5mg, 10mg, 20mg, 40mg, 60mg, 100mg, 200mg. ### Generic for Cialis: Everything You Need to Know An online store for drugs related to Tadalafil 60mg may offer a range of medications that help treat this condition. These medications are usually prescription-based, and customers may need to provide a doctor's prescription before they can purchase them. The store may also provide information on how to properly use Tadalafil 2.5mg these medications and potential side effects. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://sildenafil-40mg.gitbook.io/us/cialis-tadalafil-dosage-side-effects-how-long-it-lasts.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.