Always take **Deriphyllin R 300mg Tablet** exactly as prescribed by your doctor. It should be taken without food, and the dosage and duration of treatment will depend on your specific condition and how you respond to the medicine. Do not stop taking this medication prematurely, as your symptoms may return or worsen. It's crucial to inform your healthcare team about all other medications you are currently taking, as some may interact with **Deriphyllin R 300mg Tablet**.

Common side effects may include nausea, vomiting, dry mouth, dizziness, stomach upset, headache, and restlessness. These effects are usually temporary and often resolve on their own. If any side effects concern you, or if they persist, please contact your doctor immediately.

Before starting treatment with **Deriphyllin R 300mg Tablet**, inform your doctor if you have any pre-existing heart, kidney, or liver conditions, as this may influence the prescribed dose. Also, advise your doctor if you are pregnant, planning a pregnancy, or breastfeeding.