| Aldoril | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/3639 | | |
| ALENDRONIC ACID (ALENDRONATE SODIUM) | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2088 | | |
| ALFENTANIL (ALFENTANIL HYDROCHLORIDE) | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/51263 | | |
| Alimta | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/60843 | | |
| alkaline phosphatase increased | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0151849 | | |
| alkalosis | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002063 | | |
| Alkeran | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/4053 | | |
| allergic alveolitis | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002390 | | |
| allergic reaction | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C1527304 | | |
| ALLERGIC RHINITIS | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002103 | | |
| allergy to penicillin | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0030824 | | |
| Allogeneic Bone Marrow Transplantation | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0149615 | | |
| ALLOPURINOL | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/83786 | | |
| ALMOTRIPTAN (ALMOTRIPTAN MALATE) | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/123606 | | |
| Alomide | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/44564 | | |
| Alopecia | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002170 | | |
| Alopecia areata | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002171 | | |
| ALOXI | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/148211 | | |
| ALPHAGAN P | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2435 | | |
| ALPRAZOLAM | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2118 | | |
| ALPROSTADIL | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/214 | | |
| ALS | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0002736 | | |
| Altace | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/5038 | | |
| altretamine | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2123 | | |
| alveolar proteinosis | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0034050 | | |
| AMANTADINE HYDROCHLORIDE | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2130 | | |
| AMARYL | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/3476 | | |
| Amaurosis | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0376288 | | |
| amaurosis fugax | http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0149793 | | |
| Ambenonium cation | http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/2131 | | |