Tadalis SX 20 mg (tadalafil 20 mg) can worsen its usual side effects and trigger serious, even life‑threatening problems. What can happen after an overdose Severe drop in blood pressure: Dizziness, fainting, lightheadedness, or collapsing; this risk increases if you also take nitrates, other blood‑pressure medicines, or have heart disease. [web_111][web_113][web_114] Serious ED‑related effects: Priapism – a painful erection lasting more than 4 hours, which can damage penile tissue and is a medical emergency.  ] Tadalis SX 20 mg  ‑ and breathing‑related issues: Chest pain, shortness of breath, heart‑attack‑like symptoms, or, in rare cases, heart failure or stroke, especially in men with pre‑existing heart disease. [web_111][web_113][web_114] What to do if overdose is suspected Seek emergency help immediately (go to the nearest ER or call emergency services) if you think you or someone has taken more than the prescribed dose, even if no symptoms are obvious yet. [web_110][web_112][web_115] Treatment is mainly supportive care (fluids, blood‑pressure support, managing symptoms), and doctors may use activated charcoal or other measures if the overdose is recent. [web_110][web_111][web_113] To avoid overdose, take only the dose your doctor has prescribed, never double‑dose because “it’s not working,” and avoid combining Tadalis SX 20 mg