- A change in thinking clearly
- Abdominal Pain
- Abdominal pain
- Abetalipoproteinaemia
- Acid reflux
- Acidity
- Acute alcoholic intoxification
- Acute and severe bronchospasm
- Acute musculoskeletal injuries
- After a heart attack to stop future heart attacks and lengthen life
- Allergic conditions
- Allergies such as dust or pet allergies
- Allergy
- Amebiasis
- Anaesthesia
- Anal Fissures and Hemorrohoids
- Anal fissure
- Anemia
- Anemia due to vitamin C deficiency
- Angina (heart-related chest pain)
- Angina Pectoris
- Ankylosing spondylitis
- Antidotes for phosphorus poisoning
- Anxiety
- Anxiety
- Anxiety disorder
- Anxiety disorders
- Arthralgia
- Arthritis
- Asthma
- Asthma
- Athlete's foot (Tinea pedis)
