| IHES | idiopathic hypereosinophilic syndrome |
|---|---|
| IHHS | idiopathic hyperkinetic heart syndrome |
| IHO | idiopathic hypertrophic osteo-arthropathy |
| IHS | idiopathic hypereosinophilic syndrome; inactivated horse serum; Indian Health Service; integrated he... |
| IHSS | idiopathic hypertrophic subaortic stenosis |