Can sarcoidosis develop into asthma or emphysema?

No. People with sarcoidosis can certainly have asthma or emphysema, but not as a result of sarcoid changes.
Sarcoidosis. Although sarcoidosis is not thought to be "asthma" or "emphysema", it can cause scar tissue in the lungs. Granulomas often penetrate the lung tissue causing some shortness of breath. Cardiac sarcoidosis can cause electrical dysfunction of heart and -rarely potential arrhythmias. A doctor who specializes in sarcoidosis lung disease is often needed to differentiate between sarcoid lung disease.

Related Questions

What happens to me now that I have emphysema and pulmonary sarcoidosis?

Depends. It all depends on the severity of each problem. Both COPD and sarcoidosis can be treated, but neither is curable. If you smoke you must stop right now. Rely on a pulmonary specialist to manage this complex set of problems. Read more...
Never too late... To stop smoking. Smoking cessation will decrease the decline in your lung function. As for sarcoidosis, many of my 50+ patients with this disorder have less problems as they age. Sarcoidosis seem to be less active in older patients. Read more...

I have recenty been diagnosed as patient with sarcoidosis, I have fatigue and exertional dyspnoea. Do I need treatment? I have asthma and diabetic.

Yes. You need to see a pulmonologist (lung specialist) and evaluate to see if you have pulmonary sarcoidosis -- and you need meds to control the progress of sarcoidosis. Read more...
Rule out other cause. Fatigue is a well described component if sarcoidosis, it is a part of sarcoidosis penumbra( insomnia, fatigue and possible neuropathic symptoms) . Please talk to your doctor to see if other causes have up be ruled out such as hypothyroidism and any sleep related breathing disorders . Read more...