Cyldena 10 mg Injection 12.5 ml belongs to the group of medicines called phosphodiesterase-5 (PDE-5) inhibitors used to treat pulmonary arterial hypertension (high blood pressure in the lungs), to improve the ability to exercise and to slow down clinical worsening.
 
Cyldena 10 mg Injection 12.5 ml contains 'Sildenafil' that relaxes the blood vessels, increases the blood supply to the lungs and reduces the workload of the heart. Thereby, treats pulmonary arterial hypertension.
 
In some cases, Cyldena 10 mg Injection 12.5 ml may cause side effects such as headache, indigestion, flushing, insomnia, and diarrhoea. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.
 
Do not take Cyldena 10 mg Injection 12.5 ml if you are allergic to any of the components or if you are taking nitrate medicines or riociguat (a drug used to treat pulmonary hypertension). Cyldena 10 mg Injection 12.5 ml is not recommended for use in children. Consult your doctor if you experience hearing or visual impairment.

Cyldena 10 mg Injection 12.5 ml belongs to the group of medicines called phosphodiesterase type-5 (PDE-5) inhibitors used to treat pulmonary arterial hypertension (high blood pressure in the lungs) to improve the ability to exercise and to slow down clinical worsening. Cyldena 10 mg Injection 12.5 ml relaxes the blood vessels, increases the blood supply to the lungs and reduces the workload of the heart. Thereby, treats pulmonary arterial hypertension. 

Do not take Cyldena 10 mg Injection 12.5 ml if you are allergic to any of the components, if you are taking medicines called nitrates which are used to treat angina or chest pain or guanylate cyclase stimulator medicines (medicines used to treat heart failure and PAH). Inform your doctor if you have/had heart problems such as angina, heart attack, irregular heartbeat, or heart failure, blood circulation problems, low blood pressure, eye or ear problems, sickle cell anaemia (an abnormality of red blood cells), multiple myeloma (cancer of bone marrow) or leukaemia (cancer of blood cells), stomach ulcer, bleeding problems, problems with the shape of the penis or Peyronie's disease (a condition that causes painful erections).