Drugs

1. H2 blockers

1.1. Cimetidine

1.2. Famotidine

1.3. Rantidine

1.4. Nizatidine

2. H3 blocker

2.1. Tripolisant

3. H1 blocker Antihistaminic

3.1. 1st generation

3.1.1. Cyclizine

3.1.2. Promethazine

3.1.3. Meclizine

3.1.4. Azelastin

3.1.5. Cyproheptadine

3.1.6. Chloropheniramine

3.1.7. Diphenhydramine

3.1.8. Dimenhydrinate

3.2. 2nd generation

3.2.1. Loratidine

3.2.2. Centrizine

3.2.3. Astimazole

3.2.4. Terfenadine

3.2.5. Desloratidine

3.3. Third generation

3.3.1. Fexofenadine

3.3.2. Desloratidine

4. Mast cell stabiliser

4.1. Nedocromil

4.2. Ketotifin

4.3. Lodiximide

4.4. Cromolyn sodium