Vidalista CT 20 contains tadalafil 20 mg (a PDE-5 inhibitor). If you have hypertension (high blood pressure), caution depends mainly on your blood pressure control and the medicines you take. Tadalafil can lower blood pressure slightly, so combining it with some hypertension treatments may increase dizziness or fainting risk. N nhs.uk +1 Use caution with: Alpha-blockers (used for blood pressure or prostate symptoms), such as: doxazosin terazosin prazosin These can cause an additive blood-pressure drop with tadalafil. M MedlinePlus +1 Multiple blood pressure medicines (for example, combinations of several antihypertensives), especially if your blood pressure is already low or you experience dizziness. N NCBI Nitrate medicines for chest pain (not usually hypertension medicines, but important for heart patients): nitroglycerin isosorbide mononitrate/dinitrate Do not combine these with Vidalista CT 20 because it can cause a dangerous drop in blood pressure. A ACSQHC +1 Be especially careful if you have: uncontrolled high blood pressure very low blood pressure recent heart attack or stroke unstable chest pain (angina) serious heart rhythm problems A ACSQHC Many people with well-controlled hypertension can use tadalafil safely after a clinician reviews their medicines. N NCBI If you tell me your blood pressure reading and the names of your BP tablets, I can help check whether there is a specific interaction concern.