Vidalista 60 (Tadalafil 60 mg) is already an extremely high dose, combining it with certain substances can be dangerous or even life-threatening. Here’s a careful breakdown  Unsafe Combinations Nitrates (for chest pain / angina) Examples: Nitroglycerin, Isosorbide dinitrate, Isosorbide mononitrate Risk: Severe drop in blood pressure, fainting, heart attack. Never combine, even at low Tadalafil doses — 60 mg would be extremely dangerous. Alpha-blockers (for prostate or blood pressure issues) Examples: Tamsulosin, Doxazosin, Terazosin Risk: Hypotension (dangerously low blood pressure), dizziness, fainting If needed, only use under careful medical supervision with low Tadalafil doses, never 60 mg. Other PDE5 inhibitors Examples: Sildenafil (Viagra), Vardenafil (Levitra), Avanafil Risk: Additive effect → dangerous blood pressure drop, heart strain. Should never be combined. High-dose blood pressure medications Example: multiple antihypertensives at once Risk: Can worsen hypotension. Alcohol in excess Risk: Increased dizziness, fainting, worsening blood pressure drop. Certain antifungals or antibiotics Examples: Ketoconazole, Itraconazole, Erythromycin, Clarithromycin Risk: Increase Tadalafil blood levels → toxicity, severe side effects Illegal or recreational drugs Especially nitrates (“poppers”) or stimulants Risk: heart attack, stroke, or severe hypotension