- Absans (Lena)
- Abses Gigi
- Abses Peritonsil
- Abses Telinga (Abses Bezold)
- Acne Vulgaris (Jerawat)
- Acquired Imunodeficiency Syndrome (AIDS/HIV)
- Acute Coronary Syndrome (Sindrom Koroner Akut)
- Adenoiditis (Radang Kelenjar Adenoid)
- Alergi
- Alzheimer disease (Penyakit Alzheimer)
- Amyloidosis (Amiloidosis)
- Anal Abscess (Abses Anal)
- Aneurisma Aorta (Pelebaran Abnormal Aorta)
- Angina Pectoris (Serangan Jantung)
- Angioedema (Bengkak Pembuluh Darah Bawah Kulit)
- Anoreksia Nervosa
- Aritmia (Gangguan Irama Jantung)
- Arthritis Rheumatoid
- Asam Urat (Arthritis Gout)
- Asma Bronkhiale
- Atresia Ani (Cacat Lubang Anus)
- Autisme (Autism)
