About Dr. John Marshall, MD
Dr Marshall is Board Certified in Family Medicine and has had a distinguished career in the US Air Force Medical Corp, retiring as Chief of Medical Staff at Brooks Air Force Base in San Antonio. He continued to serve in community medicine as Staff Physician with the University Health System in San Antonio.
Dr Marshall has served with distinction at Faith Family Family first as a volunteer and now in retirment continuing to work two days a week and vounteering at other times.
Procedures & Services
Patient Education Resources
I have COPD. What can help me breathe better?
Treatment for COPD can help improve breathing and slow the progression of the disease. Some treatments include:bronchodilators, which are medications that relax the muscles around the airways to help ...
Treatment for COPD can help improve breathing and slow the progression of the disease. Some treatments include:bronchodilators, which are medications that relax the muscles around the airways to help ...
I snore regularly. Should I be worried about sleep apnea?
Snoring is a common symptom of sleep apnea, a serious sleep disorder that causes a person to stop breathing for short periods of time during sleep. People with sleep apnea often snore loudly and frequ...
Snoring is a common symptom of sleep apnea, a serious sleep disorder that causes a person to stop breathing for short periods of time during sleep. People with sleep apnea often snore loudly and frequ...
Is there a treatment for food allergy?
The treatment for food allergies is to strictly avoid the allergenic food, and in case of accidental exposure, the use of rescue medications such as antihistamines and epinephrine (injectable) in the ...
The treatment for food allergies is to strictly avoid the allergenic food, and in case of accidental exposure, the use of rescue medications such as antihistamines and epinephrine (injectable) in the ...
What are treatment options for an enlarged prostate?
An enlarged prostate, also known as benign prostatic hyperplasia (BPH), is a common condition that affects many men as they age. Treatment options for an enlarged prostate will depend on the severity ...
An enlarged prostate, also known as benign prostatic hyperplasia (BPH), is a common condition that affects many men as they age. Treatment options for an enlarged prostate will depend on the severity ...
What are treatments for my child’s asthma?
The treatment of childhood asthma is similar to that of adult asthma, but there are some important considerations.The main goal of treatment is to control symptoms, prevent exacerbations and improve t...
The treatment of childhood asthma is similar to that of adult asthma, but there are some important considerations.The main goal of treatment is to control symptoms, prevent exacerbations and improve t...