Duactin Blood Pressure treatment 5 Mg 30 Caps is used in a treatment High blood pressure: amlodipine is indicated for the treatment of high blood pressure. It can be used alone or in combination with other factors to lower blood pressure. Stable angina: amlodipine is indicated for the treatment of chronic stable angina. It can be used alone or in combination with other agents for angina Angina spastic angina: amlodipine is indicated for the treatment of angina spastic angina. The drug can be used as an individual treatment or in combination with other anti-angina drugs