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
Are inhaled corticosteroids safe to use for my asthma?
Inhaled corticosteroids (ICS) are a type of medication that is commonly used to treat asthma and other respiratory conditions. They are considered safe because they are delivered directly to the lungs...
Inhaled corticosteroids (ICS) are a type of medication that is commonly used to treat asthma and other respiratory conditions. They are considered safe because they are delivered directly to the lungs...
Can ADHD be managed without medication?
Attention-deficit/hyperactivity disorder (ADHD) can be managed without medication, although medication is often a common treatment option. Medications such as stimulants (e.g. Ritalin®, Adderall) ...
Attention-deficit/hyperactivity disorder (ADHD) can be managed without medication, although medication is often a common treatment option. Medications such as stimulants (e.g. Ritalin®, Adderall) ...
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...
What is the best non-prescription treatments for head lice?
Over-the-counter (OTC) treatments for head lice include shampoos and lotions that contain medications such as pyrethrins or permethrin. These medications work by paralyzing the lice and killing them.S...
Over-the-counter (OTC) treatments for head lice include shampoos and lotions that contain medications such as pyrethrins or permethrin. These medications work by paralyzing the lice and killing them.S...
When should I consider taking a medication for osteoporosis?
Osteoporosis is a condition that causes the bones to become brittle and fragile, increasing the risk of fractures. Medications for osteoporosis are typically recommended when a person is at high risk ...
Osteoporosis is a condition that causes the bones to become brittle and fragile, increasing the risk of fractures. Medications for osteoporosis are typically recommended when a person is at high risk ...